please help!!

A government agency reported that one year, 21,013 people were treated for medical emergencies related to
energy drinks containing very high doses of caffeine. The table shows the age distribution for these patients.
What is the probability that a person treated for an energy drink-related emergency was under 40 given that
the person was at least 18 years old?

please help!!!

Please Help!!A Government Agency Reported That One Year, 21,013 People Were Treated For Medical Emergencies

Answers

Answer 1

The probability that a person treated for an energy drink-related emergency was under 40 given that the person was at least 18 years old is approximately 0.550 or 55.0%.

What is the formula for probability?

In general, probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in a sample space. Event probability P(E) = (number of favourable outcomes) (Sample space).

We must use conditional probability to determine the likelihood that a person treated for an energy drink-related emergency was under 40, given that the person was at least 18 years old.

We can use the following formula:

P(A | B) = P(A and B) / P(A and B) (B)

where A is the event "the person is under 40" and B is the event "the person is over 18".

According to the table, 11,146 people under the age of 40 and over the age of 18 were treated for energy drink-related emergencies. The total number of people over the age of 18 who have been treated for energy drink-related emergencies is 20,244.

So,

P(A, B) = 11,146

P(B) = 20,244

Therefore,

P(A and B) / P(B) = 11,146 / 20,244 0.550

So the probability that a person treated for an energy drink-related emergency was under 40 is approximately 0.550 or 55.0% if the person was at least 18 years old.

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Related Questions

Rose has less than $30 to spend on decorations for the school dance. She has already spent $5. Which number line shows how much money she could still spend on decorations

Answers

The correct answer is number line A. Number Line A shows that Rose has $25 remaining to spend on decorations. The number line shows that she has already spent $5, as indicated by the arrow pointing from 0 to 5.

What is Number Line?

Number line is the  visual representation of numbers on a straight line. These are often used to represent linear equations, as well as to learn basic mathematical concepts such as addition, subtraction, multiplication, and division.

The number line shows that she has a total of $30 available for decorations, as indicated by the arrow pointing from 0 to 30. Between the two arrows, it is clear that Rose has $25 remaining to spend on decorations.

Number Line B does not accurately represent Rose’s situation because the arrow pointing from 0 to 20 does not indicate that Rose has already spent $5. Number Line C does not accurately represent Rose’s situation because the arrow pointing from 0 to 25 does not indicate that Rose has a total of $30 available to spend.

To solve this problem, Rose needs to identify the total amount of money she has available to spend on decorations and the amount of money she has already spent. Once she has identified these two values, she can use a number line to represent her situation.

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Please simplify the following expression while performing the given operation.
(-3+i)+(-4-i)

Answers

Hence, the abbreviated formula is -7 + 0i, or just -7.

What is the simplifying rule?

The terms in the parentheses can be immediately simplified. So, we can carry out the operations indicated by the brackets in the following order: multiplication, addition, subtraction, division. Note: The brackets should be shortened in the following order: (),, []. Simplify: 14 + (8 - 2 3) for Example 2.

We must combine like terms in order to make the phrase simpler.

First, we can individually merge the real and made-up parts:

The genuine parts add out to -3 - 4 = -7.

i - i = 0 is the imaginary part's total.

Hence, the abbreviated formula is -7 + 0i, or just -7.

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Complete question:

Please simplify the following expression while performing the given operation. (-3+i)+(-4-i)

The angles opposite the congruent sides of an isosceles triangle are congruent. Find the value of x in the triangle. Show all your work.


The figure shows an angle with a measure of 52 degrees.
A. Find the complement of the angle shown.
B. Find the supplement of the angle shown.
Show all your work.

Answers

The complement of the angle is 38 degrees and the supplement of the angle is 128 degrees.

Find the complement of the angle shown.

The given angle is

Angle = 52 degrees

To find the complement of an angle, we need to subtract its measure from 90 degrees.

Therefore, the complement of an angle with a measure of 52 degrees is:

90 degrees - 52 degrees = 38 degrees

So, the complement of the angle shown is 38 degrees.

Find the supplement of the angle shown.

To find the supplement of an angle, we need to subtract its measure from 180 degrees.

Therefore, the supplement of an angle with a measure of 52 degrees is:

180 degrees - 52 degrees = 128 degrees

So, the supplement of the angle shown is 128 degrees.

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Classify the polynomial
X+2
Urgent !!!

Answers

Answer: Quadratic polynomial.

Step-by-step explanation: Polynomials with 2 as the degree.

At the book store, you purchased some $5 clearance mystery books and $12 regular-priced science fiction books. How many of each did you buy if you spent a total of $126?

Answers

Answer: View answer in explanation below.

Step-by-step explanation: Let's use variables to represent the unknown quantities.

Let x be the number of $5 clearance mystery books purchased.

Let y be the number of $12 regular-priced science fiction books purchased.

We can set up a system of equations based on the given information:

5x + 12y = 126 (total amount spent)

x + y = total number of books purchased

We need to solve for x and y.

Let's use the second equation to solve for one variable in terms of the other:

y = total number of books purchased - x

Now we can substitute this expression for y into the first equation:

5x + 12(total number of books purchased - x) = 126

Simplifying and solving for x:

5x + 12total number of books purchased - 12x = 126

-7x + 12total number of books purchased = 126

-7x = -12total number of books purchased + 126

x = (12total number of books purchased - 126)/7

Since x must be a whole number (you can't buy a fraction of a book), we need to find a value of total number of books purchased that makes x a whole number. We can start by trying different values of total number of books purchased:

If total number of books purchased is 10:

x = (12(10) - 126)/7 = -6/7 (not a whole number)

If total number of books purchased is 11:

x = (12(11) - 126)/7 = 6/7 (not a whole number)

If total number of books purchased is 12:

x = (12(12) - 126)/7 = 6/7 (not a whole number)

If total number of books purchased is 13:

x = (12(13) - 126)/7 = 12/7 (not a whole number)

If total number of books purchased is 14:

x = (12(14) - 126)/7 = 18/7 (not a whole number)

If total number of books purchased is 15:

x = (12(15) - 126)/7 = 24/7 (not a whole number)

If total number of books purchased is 16:

x = (12(16) - 126)/7 = 30/7 (not a whole number)

If total number of books purchased is 17:

x = (12(17) - 126)/7 = 36/7 (not a whole number)

If total number of books purchased is 18:

x = (12(18) - 126)/7 = 42/7 = 6 (a whole number)

So, you bought 6 $5 clearance mystery books and 12 - 6 = 6 $12 regular-priced science fiction books.

Enter the correct answer for the box.

Answers

Making r the subject of formula in this equation A = V²/r gives r = V²/A.

How to calculate centripetal acceleration?

In Mathematics and Science, the centripetal acceleration of a physical object (body) can be calculated by using the following mathematical expression:

A = V²/r

Where:

A represent the centripetal acceleration.r represent the distance (radius) from a circular track.V represent the velocity of a physical object (body).

In this exercise, you are required to make radius (r) the subject of formula. Therefore, by making radius (r) the subject of formula, we have the following:

Radius, r = V²/A

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1. meredith has 10 reports to file. if each report takes an average of 75 minutes to file, how long will it take her to file 70% of them? a. 5 hours b. 6 hours, 30 minutes c. 8 hours, 45 minutes d. 10 hours

Answers

Meredith will take 8 hours 45 minutes to file 70% of the 10 reports given.

The time taken by Meredith to file 70% of the 10 reports given, given that each report takes an average of 75 minutes is 6 hours, 30 minutes. Therefore, the correct option is B. 6 hours, 30 minutes. How long will it take Meredith to file 70% of 10 reports, given that each report takes an average of 75 minutes to file?

Here, the total number of reports = 10

Average time to file one report = 75 minutes

To find out the time taken to file 70% of 10 reports, we will need to multiply the average time taken to file one report by the number of reports to be filed, which is 7 in this case:

75 × 7 = 525 minutes

We have calculated the time it will take Meredith to file 7 reports. Now, to convert this time to hours and minutes, we divide the total minutes by 60 to get the hours and then find out the remainder for the minutes:

525 ÷ 60 = 8 hours 45 minutes

Therefore, Meredith will take 8 hours 45 minutes to file 70% of the 10 reports given.

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Complete the table by finding the balance A when P dollars is invested at rate r for t years and compounded n times per year. (Round your answers to the nearest cent. )

P = $1300, r = 8. 5%, t = 11 years

n A

1 $

2 $

4 $

12 $

365 $

Continuous $

Answers

The complete table for the amount balance, A when P dollars is invested at rate r for t years and compounded n times per year is present in above figure 2.

The compound interest formula is written as A = P( 1 + r/n)ⁿᵗ

where, A--> total Amount of money after t years

P --> Principal

r --> Annual rate of interest (as a decimal)

t --> Number of years:

n--> number of times interest is compounded per year

Here, principle, P = $1300, rate of interest, r = 8.5% = 0.085 , time periods, t = 11 years. We have to complete the above table for compound interest.

Case 1: n = 1

Substitute the known values in above formula, A = 1300( 1 + 0.085/1)¹¹

= 1300( 1.085)¹¹

= 3,189.12

Case 2: n = 2

A = 1300( 1 + 0.085/2)²²

= 1300( 2.085/2)²²

= 1300( 1.0425)²²

= 3,248.01

I'll let you work out the cases where n = 4, 12 and 365 since all you need to do is place those in for n as done in the 1st 2 cases. For the Compounded continuously case, the formula becomes,

[tex] A = Pe^{rt}[/tex]

Where: A-> Total amount of money after t years

P --> Principal Amount

e --> Natural log constant:

r = Annual rate of interest (as a decimal)

Case: Continuous: e = 2.71828 (approx), r = 0.085

A = 1300( 2.71828)⁰·⁰⁸⁵⁽¹¹⁾

= 1300(e)⁰·⁹³⁵ = 3,311.34

Hence, required value is $3,311.3775.

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Complete question :

The above table completes the question.

Complete the table by finding the balance A when P dollars is invested at rate r for t years and compounded n times per year. (Round your answers to the nearest cent. ) P = $1300, r = 8. 5%, t

= 11 years

A 10 kilogram object suspended from the end of a vertically hanging spring stretches the spring 9.8 centimeters. At time t = 0, the resulting mass-spring system is disturbed from its rest state by the force F(t) = 100cos(8t). The force F(t) is expressed in Newtons and is positive in the downward direction, and time is measured in seconds.
Determine the spring constant k.
k = ? Newtons / meter
Formulate the initial value problem for y(t), where y(t) is the displacement of the object from its equilibrium rest state, measured positive in the downward direction. (Give your answer in terms of y,y′,y′′,t.)
Differential equation: ?
Initial conditions: y(0) = ? and y′(0) = ?
Solve the initial value problem for y(t).
y(t) = ?
Plot the solution and determine the maximum excursion from equilibrium made by the object on the time interval 0 ≤ t < [infinity]. If there is no such maximum, enter NONE.
maximum excursion = ? meters

Answers

Using Hooke's law the maximum value of |cos(8t)| is 1, so the maximum excursion is 1/6 meters.

To find the spring constant k, we use Hooke's law:

F = -ky

where F is the weight of the object, and y is the distance it is stretched from its rest position. At equilibrium, F = mg = 10 × 9.81 = 98.1 N. Thus,

98.1 = -k × 0.098

k = -1000 N/m

The equation of motion for the system is given by:

my'' + ky = F(t)

Substituting the given values, we get:

10y'' + (-1000)y = 100cos(8t)

y'' - 100y = 10cos(8t)

with initial conditions y(0) = 0 and y'(0) = 0.

The characteristic equation is r² - 100 = 0, with roots r = ±10i. The complementary solution is therefore y_c(t) = c1cos(10t) + c2sin(10t).

For the particular solution, we assume a form of yp(t) = Acos(8t) + Bsin(8t), and substitute it in the differential equation to get:

-64Acos(8t) - 64Bsin(8t) - 100(Acos(8t) + Bsin(8t)) = 10cos(8t)

Solving for A and B, we get A = -1/6 and B = 0. Thus, the particular solution is yp(t) = (-1/6) × cos(8t).

The general solution is therefore y(t) = c1cos(10t) + c2sin(10t) - (1/6)*cos(8t). Applying the initial conditions, we get c1 = 0 and c2 = 0, so the particular solution is simply y(t) = (-1/6) × cos(8t).

The maximum excursion from equilibrium can be found by taking the absolute value of y(t) and finding its maximum value. We have:

|y(t)| = (1/6) × |cos(8t)|

The maximum value of |cos(8t)| is 1, so the maximum excursion is 1/6 meters.

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I need help with number 12

Answers

The compounding formula is used to create the quarterly compounding formula. To the nearest cent, the compounded balance is $ [tex]12,832.27.[/tex]

What is the compounded quarterly formula?

To reflect the quarterly interest computation as the only change, the interest rate is increased by 4*2.

[tex]A = P(1 + r/n)(nt)[/tex]

Assume that we have a $  [tex]10,000[/tex] Initial investment, a 6% yearly interest rate, and a 5-year investment period. We have n = 4 and t = 5 since the interest is compounded every three months.

Plugging in these values, we get:

[tex]A = 10,000(1 + 0.06/4)(4*5)[/tex]

[tex]= 10,000(1.015)^20[/tex]

[tex]= 12,835.72[/tex]

Hence, the final balance is $ [tex]12,835.72[/tex] to the nearest penny.

If the money is compounded continually, we may use the following formula to determine the balance:

[tex]A = Pe(rt)[/tex]

With the identical values as before, we obtain:

[tex]A = 10,000e(0.06 \times5)[/tex]

[tex]= 10,000e(0.3)[/tex]

[tex]= 12,832.27[/tex]

Therefore, So the balance, to the nearest cent, is $ [tex]12,832.27.[/tex]

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Data were recorded for a car's fuel efficiency, in miles per gallon (mpg), and corresponding speed, in miles per hour
(mph). Given the least-squares regression line, In(Fuel Efficiency) = 1.437 + 0.541 In(Speed), what is the predicted fuel
efficiency for a speed of 30 mph?
17.67 mpg
26.50 mpg
30.00 mpg
37.74 mpg

Answers

The predicted fuel efficiency for a speed of 30 miles per hour is given as follows:

26.50 mpg.

How to calculate the numeric value of a function or of an expression?

To calculate the numeric value of a function or of an expression, we substitute each instance of any variable or unknown on the function by the value at which we want to find the numeric value of the function or of the expression presented in the context of a problem.

The function for this problem is defined as follows:

In(Fuel Efficiency) = 1.437 + 0.541 In(Speed).

The speed is of 30 miles per hour, hence the predicted fuel efficiency is given as follows:

In(Fuel Efficiency) = 1.437 + 0.541 x In(30).

In(Fuel Efficiency) = 3.277.

The exponential is the inverse of the ln, hence:

Fuel Efficiency = e^3.277

Fuel Efficiency = 26.50 mpg.

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Blowlers that score at least 228 point will make it to the next round

Answers

Answer:

p ≥ 228

Step-by-step explanation:

p ≥ 228

This inequality means the Bowlers have to score at least 228 points to move on.

Hope this helped!

Water leaking onto a floor forms a circular pool. The radius of the pool increases at a rate of 4 cm/min. How fast is the area of the pool increasing when the radius is 5 cm?

Answers

Answer:

The area of the pool increasing at the rate of 125.6 when the radius is 5 cm

Step-by-step explanation:

Given:

radius of the pool increases at a rate of 4 cm/min

To Find:

How fast is the area of the pool increasing when the radius is 5 cm?

Solution:

we are given with the circular pool

hence the area of the circular pool =

A =[tex]\pi r^2[/tex]-----------------------------(1)

The area of the pool is increasing at the rate of 4 cm/min, meaning that the area of the pool is changing with respect to time t

so differentiating eq (1)  with respect to t , we have

[tex]\dfrac{dA}{dt} =\pi \times2r\times\dfrac{dr}{dt}[/tex]

we have to find [tex]\dfrac{dA}{dt}[/tex] with [tex]\dfrac{dr}{dt}[/tex] = 4 cm/min and r = 5 cm

substituting the values

[tex]\dfrac{dA}{dt} =\pi \times2(5)\times4[/tex]

[tex]\dfrac{dA}{dt} =\pi \times 10\times4[/tex]

[tex]\dfrac{dA}{dt} =\pi \times 40[/tex]

[tex]\dfrac{dA}{dt} =40\pi[/tex]

[tex]\dfrac{dA}{dt} =125.6[/tex]

For 0 <3 days. the number of weeds in large garden is given by the function W that satisfies tbe differential equation dW/dt = 1/12(-318+ 24W). At time t = 2 days, there are 20 weeds in the garden Find d^2W/dt^2 when W = 14.

Answers

[tex]3[/tex] days [tex]0[/tex] hours. The answer is three because the function [tex]W[/tex] that solves the differential equation gives the number of weeds in a large garden.

How to explain number?

A number is calculated and represented using a decimal, which is an algebra quantity. In handwriting, numerical symbols like "3" are used to represent numbers. A counting system is a logical way of expressing numbers that uses digits or symbols to represent them.

Is the number 111111 lucky?

Vets Day and Memorial Day are commonly celebrated on November 11 in the United States and overseas, respectively. The history, mythology, and mathematical importance of this particular time and date are all explained here.

[tex]\frac{dw}{dt}=\frac{1}{12}(-318+24W)[/tex]

[tex]\frac{d^{2}W }{dt^{2} }=\frac{d}{dt}[\frac{1}{12} (-318+24W)][/tex]

When [tex]W=14, \frac{dW}{dt}[/tex]

[tex]=\frac{1}{12}(-318+24*14)[/tex]

[tex]=\frac{18}{12}=1.5[/tex]

[tex]=2\frac{dW}{dt}=2*1.5[/tex]

[tex]=3[/tex]

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Which expression below gives the average rate of change of the function h(x) = 4x+2 +7 on the interval -3 ≤ x ≤ 5?

A. (43+2+7)-(45+2+7)
-3+5

B. (45*2 + 7)-(4+2+7)
5-3

C. (45+2+7)-(43+2+7)
5+3

D. (45+²+7)+(42+7)
5+3

Answers

Answer:

C. (45+2+7)-(43+2+7) / 5+3

Step-by-step explanation:

To find the average rate of change of h(x) on the interval -3 ≤ x ≤ 5, we need to evaluate the following expression:

[h(5) - h(-3)] / (5 - (-3))

We have:

h(5) = 4(5) + 2 + 7 = 29

h(-3) = 4(-3) + 2 + 7 = -5

Substituting into the formula, we get:

[29 - (-5)] / (5 - (-3)) = 34 / 8 = 17 / 4

Therefore, the expression that gives the average rate of change of the function h(x) on the interval -3 ≤ x ≤ 5 is:

C. (45+2+7)-(43+2+7) / 5+3

Jordy tried to prove that △ A B E ≅ △ B C D △ABE≅△BCDtriangle, A, B, E, \cong, triangle, B, C, D. A A B B C C D D E E Statement Reason 1 ∠ B C D ≅ ∠ A B E ∠BCD≅∠ABEangle, B, C, D, \cong, angle, A, B, E Given 2 ∠ C D B ≅ ∠ B E A ∠CDB≅∠BEAangle, C, D, B, \cong, angle, B, E, A Given 3 B D ↔ ∥ A E ↔ BD ∥ AE B, D, with, \overleftrightarrow, on top, \parallel, A, E, with, \overleftrightarrow, on top Given 4 ∠ C B D ≅ ∠ B A E ∠CBD≅∠BAEangle, C, B, D, \cong, angle, B, A, E Corresponding angles on parallel lines are congruent. 5 △ A B E ≅ △ B C D △ABE≅△BCDtriangle, A, B, E, \cong, triangle, B, C, D Angle-angle-angle congruence What is the first error Jordy made in his proof? Choose 1 answer: Choose 1 answer: (Choice A) A Jordy used an invalid reason to justify the congruence of a pair of sides or angles. (Choice B) B Jordy only established some of the necessary conditions for a congruence criterion. (Choice C) C Jordy established all necessary conditions, but then used an inappropriate congruence criterion. (Choice D) D Jordy used a criterion that does not guarantee congruence

Answers

Jordy's first error in his proof is option (c) Jordy established all necessary conditions, but then used an inappropriate congruence criterion

Jordy's first error in his proof is that he used an inappropriate congruence criterion to prove that the two triangles are congruent. He established all necessary conditions, but AAA congruence is only valid for proving congruence of triangles in certain special cases, such as when the triangles are similar.

In general, AAA congruence is not a valid congruence criterion. This highlights the importance of choosing the correct congruence criterion when proving that two triangles are congruent, as using an invalid or inappropriate criterion can lead to an incorrect conclusion.

Therefore, the correct option is (c) Jordy established all necessary conditions, but then used an inappropriate congruence criterion

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Can you help me with this?

Answers

16. The equatiοn οf the line in slοpe-intercept fοrm that passes thrοugh the pοint (-6, 5) and is parallel tο x + 2y = 14 is y = (-1/2)x + 2.

What is equatiοn οf line?

The equatiοn οf a straight line is y = mx + c, y = m x + c m is the gradient and c is the height at which the line crοsses the y -axis, alsο knοwn as the y -intercept.

16. Tο write the equatiοn οf a line in slοpe-intercept fοrm, we need tο find the slοpe and the y-intercept οf the line.

Tο find the slοpe οf the line, we can rewrite the equatiοn x + 2y = 14 in slοpe-intercept fοrm y = mx + b by sοlving fοr y:

x + 2y = 14

2y = -x + 14

y = (-1/2)x + 7

The slοpe οf the line is -1/2.

Since the line we want tο find is parallel tο this line, it will have the same slοpe οf -1/2.

Nοw we can use the pοint-slοpe fοrm οf the equatiοn οf a line tο find the equatiοn οf the line that passes thrοugh the pοint (-6, 5) with a slοpe οf -1/2:

y - y1 = m(x - x1)

where (x1, y1) is the pοint (-6, 5), and m is the slοpe, -1/2.

y - 5 = (-1/2)(x - (-6))

y - 5 = (-1/2)x - 3

y = (-1/2)x + 2

17. The equation perpendicular to y = -(2/3)x + 4, passing through (-4, 6)

perpendicular equations slope would be negative reciprocal to the current line.

The slope in y = -(2/3)x + 4, is m = -(2/3),

The negative reciprocal of -(2/3) is 3/2

Now, applying the x and y values in pοint-slοpe fοrm

y - 6 = 3/2(x - (-4))

y =  3/2(x+4) + 6

y =  (3/2)x + 6 + 6

y =  (3/2)x + 12

18. Since the line we want tο find is parallel tο this line, it will have the same slοpe.

Lets find the slope using slope formula

[tex]\rm m = \dfrac{y_2 - y_1}{x_2 - x_1}[/tex]

[tex]\rm m = \dfrac{0 - (-1)}{2 - (-1)}[/tex]

[tex]\rm m = \dfrac{1}{3}[/tex]

Now, using the point slope form

y - 1 = 1/3(x - 3)

y = 1/3(x - 3) + 1

y = (1/3)x - 1 + 1

y = (1/3)x

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The table below shows the number of gold, silver and bronze medals won by
some countries in the 2016 Paralympic Games.
Work out the ratio of gold to silver to bronze medals won by Belarus.
Give your answer in its simplest form.
Country
Cuba
Malaysia
Belarus
Spain
Gold
8
3
8
9
Silver
1
0
0
14
Bronze
6
1
2
8

Answers

The ratio of gold to silver to bronze medals won by Belarus in its simplest form is 4:0:1, which means that Belarus won four times as many gold medals as bronze medals, and no silver medals.

What is simplest form ?

In mathematics, the simplest form refers to the most reduced or compact form of an expression.

The simplest form can be achieved by simplifying, reducing, or condensing a mathematical expression or ratio to its smallest possible form using various techniques such as factorization, cancellation, and distribution.

To find the ratio of gold to silver to bronze medals won by Belarus, we need to look at the row corresponding to Belarus in the table:

Country Gold Silver Bronze

Belarus    8             0              2

The ratio of gold to silver to bronze medals won by Belarus is: 8:0:2

However, this ratio is not in its simplest form, because we can simplify it by dividing all of the numbers by the greatest common factor of the three numbers. In this case, the greatest common factor of 8, 0, and 2 is 2, so we can simplify the ratio by dividing each number by 2:

8 ÷ 2 : 0 ÷ 2 : 2 ÷ 2

4 : 0 : 1

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What is the measure of arc AC? PLS help

Answers

It’s 156 or 2 u might be wrong

suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 114 . a university plans to admit students whose scores are in the top 30% . what is the minimum score required for admission? round your answer to the nearest whole number, if necessary.

Answers

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 114. A university plans to admit students whose scores are in the top 30%, the minimum score required for admission is 434

How we calculate the minimum score required for admission?

Given information:

Mean (μ) = 497Standard Deviation (σ) = 114Probability (p) = 0.30 (for the top 30% of the scores)

Let X be the random variable which represents the SAT writing scores. Then X ~ N(497, 114)Now we have to find the minimum score required for admission. We can solve the problem using the standard normal distribution table. Here we need to find the z-score.

The formula for z-score is given below:z = (X - μ) / σ z-score corresponding to the probability (p) can be calculated as:z = ZpWhere Zp is the standard normal variable, which gives the area to the left of the z-score. So, Zp = InvNorm(0.30) = - 0.524For the top 30% of the scores, we have Zp = -0.524. Now the z-score is known. So we can calculate the minimum score required for admission as :X = μ + z * σ = 497 + (-0.524) * 114 = 433.584 ≈ 434The minimum score required for admission is 434.

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Please help me with my math!!

Answers

Answer:

The given equation is in vertex form y = a(x - h)^2 + k, where (h, k) is the vertex of the parabola. Comparing the given equation with the vertex form, we have a = -3, h = -3 and k = 4.

Since a = -3 < 0, the parabola opens downwards and has a maximum point.

To find the maximum value of y, we need to evaluate y at the x-coordinate of the vertex:

x = -3

y = -3(-3+3)^2 + 4 = 4

Therefore, the parabola y = -3(x+3)2 + 4 contains a maximum point and the maximum value of y is 4.

Hence, the answer is option C

Answer:

C)  Maximum point; 4

Step-by-step explanation:

Given parabola:

[tex]y=-3(x+3)^2+4[/tex]

The given parabola is in vertex form:

[tex]\boxed{y = a(x - h)^2 + k}[/tex]

where:

(h, k) is the vertex of the parabola.a is the leading coefficient.
If a > 0, the parabola opens upwards.
If a < 0, the parabola opens downwards.

By comparing the given equation with the vertex form, we can see that:

a = -3h = -3k = 4

As a < 0, the parabola opens downwards. Therefore, the vertex of the parabola is a maximum point.

The vertex of the parabola is (h, k) = (-3, 4).

Therefore, the maximum value of y is 4, which occurs at x = -3.

a pizza parlor offers a choice of 16 different toppings. how many 6-topping pizzas are possible? (no double-orders of toppings are allowed) in this situation, does the order of the toppings matter? input yes or no. there are possible 6-topping pizzas.

Answers

By combinations, we get that there are 20,020 possible 6-topping pizzas.

Given that a pizza parlor offers a choice of 16 different toppings, we need to find the number of 6-topping pizzas that are possible. No double-orders of toppings are allowed. What is the number of 6-topping pizzas that are possible?

The formula for combinations is as follows:

ncr = (n!)/(r! * (n - r)!) where n = 16 (total number of toppings available)

r = 6 (number of toppings required for a pizza)

ncr = (16!)/(6! * (16 - 6)!)

⇒ ncr = (16!)/(6! * 10!)

⇒ ncr = (16 * 15 * 14 * 13 * 12 * 11)/(6 * 5 * 4 * 3 * 2 * 1)

⇒ ncr = (16 * 3 * 5 * 7 * 13 * 11)/(3 * 2 * 2)

⇒ ncr = 20,021

In this situation, the order of the toppings does not matter. Therefore, we cannot have a repeat of the same toppings, as mentioned. Hence the answer to the question is no. Thus, there are 20,020 possible 6-topping pizzas.

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If Alyssa has 6 shirts, 4 skirts, and 10 pairs of shoes, how many possible outfits can she make?

Answers

Answer: 240

You multiply them. 6x4x10 :)

The number of different outfits made by Alyssa as per the given number of shirt , skirts and shoes is equal to 240 outfits.

To find the number of possible outfits Alyssa can make, you multiply the number of choices for each item of clothing:

Number of shirts = 6

Number of skirts = 4

Number of pairs of shoes = 10

Substitute the values and multiply with each other

Total number of possible outfits

= 6 (shirts) × 4 (skirts) × 10 (shoes)

= 240 outfits.

Therefore, Alyssa can make 240 different outfits using her 6 shirts, 4 skirts, and 10 pairs of shoes.

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out of total student 3/5 are girls .On a particular day one third boys and 2/5 girls were absent. If total absentees was 280 find total number of students​

Answers

Answer:

Step-by-step explanation:

Calculate fraction of boys

If girls =3/5, then boys = 1 - 3/5 = 2/5.

Calculate fraction of students absent

Girls - 2/5 of 3/5 = 6/25

Boys - 1/3 of 2/5 = 2/15

6/25+2/15=28/75

Calculate total number of students

If 28/75 = 280

280/28=10

10x75=750

Total number of students = 750

Further Mathematics Assignment 1) A bowl contains 7 cooked and 5 uncooked In how many ways can: a) 2 cooked or 3 uncooked eggs be selected. b) 2 cooked and 3 uncooked eggs be selected.
Please this is my school homework!
Please HELP!!!
15 MRKS​

Answers

Therefore, the total number of ways to select 2 cooked and 3 uncooked eggs is 210 ways.

What is combination?

In mathematics, a combination is a way of selecting items from a collection, such that (unlike permutations) the order of selection does not matter. In other words, a combination is a selection of items from a larger set, without regard to the order in which they are chosen. The number of combinations of size r that can be chosen from a set of n elements is denoted by the symbol C(n, r), and is given by the formula:

C(n, r) = n! / (r! * (n-r)!)

where n! (pronounced "n factorial") is the product of all positive integers up to n, and r! is the product of all positive integers up to r.

Here,

a) To find the number of ways to select 2 cooked or 3 uncooked eggs, we need to use the combination formula, which is:

ⁿCₓ= n! / r!(n-r)!

where n is the total number of eggs, r is the number of eggs we want to select, and ! represents factorial.

For 2 cooked eggs, we can select them in:

⁷C₂ = 7! / 2!(7-2)! = 21 ways

For 3 uncooked eggs, we can select them in:

⁵C₃ = 5! / 3!(5-3)! = 10 ways

Therefore, the total number of ways to select 2 cooked or 3 uncooked eggs is:

21 + 10 = 31 ways

b) To find the number of ways to select 2 cooked and 3 uncooked eggs, we need to use the product rule of counting. That is, we need to multiply the number of ways to select 2 cooked eggs and 3 uncooked eggs.

The number of ways to select 2 cooked eggs is:

⁷C₂ = 21 ways

The number of ways to select 3 uncooked eggs is:⁵C₃ = 10 ways

Therefore, the total number of ways to select 2 cooked and 3 uncooked eggs is:

21 x 10 = 210 ways

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Which of these following lies between 6. 3 and 6. 6
6. 2
6. 9
6. 05
6. 41

Answers

The number that lies between 6.3 and 6.6 is 6.41.

Which of these subsets are subspaces ofM2×2? For each one that is a subspace, write it as a span. For each one that is not a subspace, state the condition that fails. (a). A = {((a, 0), (0, b)): a+b = 5}

Answers

Let X and Y be two matrices in A. We can write X = ((x,0),(0,y)) and Y = ((z,0),(0,w)). If we add X and Y, we get((x+z,0),(0,y+w)). The sum is in A if and only if x+z+y+w=5.

Subset of M2x2:A subset of M2x2 is a set that contains some elements of M2x2.

A subset of M2x2 can be considered as a subspace if it meets the following conditions:

it contains the zero vector, it is closed under addition, and it is closed under scalar multiplication.M2x2 is a set of 2x2 matrices with real entries. M2x2 has 4 elements, which are (1,0), (0,1), (0,0), and (1,1).Let A = [tex]{((a,0),(0,b)):a+b=5}.[/tex]

To determine if A is a subspace of M2x2, we need to verify that A meets the following conditions:

it contains the zero vector, it is closed under addition, and it is closed under scalar multiplication.Zero vector:To find the zero vector, we need to find a matrix in A such that [tex]a+b=0.[/tex] We can easily see that this is not possible because (a,0) and (0,b) are non-negative, and their sum cannot be zero. Therefore, A does not contain the zero vector.Addition:A is closed under addition if the sum of any two matrices in A is also in A. Let X be a matrix in A and c be a scalar. We can write X = ((x,0),(0,y)). If we multiply X by c, we get((cx,0),(0,cy)). The product is in A if and only if cx+cy=5c. Therefore, A is not closed under scalar multiplication.

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Scientists determined that the cause of death in many prawns off the coast of Chile was a nutrient deficiency. So, they set out to determine if the distribution of plants in the ocean near the coast was out of proportion when compared to the ideal environment: 40% Kelp, 25% Phytoplankton, 25% Coral and 10% Other (mostly nutrient-low seaweed). In randomly chosen areas along the coast, they sampled 240 plants.
KELP PHYTOPLANKTON CORAL OTHER
84 67 57 32
In an ideal environment how many of the 240 plants would you expect to be Kelp?
If a goodness of fit test is conducted, what is the null Hypothesis?
If a goodness of fit test is conducted, what is the alternative Hypothesis?
What is the probability of getting the observed values or values as extreme from the ideal?
Is there enough evidence to conclude that the environment for prawns is not ideal? Base this conclusion on p-value and a level of significance of 0.05 or 5%.

Answers

Answer:

Step-by-step explanation:

Round your answer to the nearest hundredth

Answers

Answer:

AB ≈ 4.73

Step-by-step explanation:

using the sine ratio in the right triangle

sin25° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{BC}{AB}[/tex] = [tex]\frac{2}{AB}[/tex] ( multiply both sides by AB )

AB × sin25° = 2 ( divide both sides by sin25° )

AB = [tex]\frac{2}{sin25}[/tex] ≈ 4.73 ( to the nearest hundredth )

The cost price of 20 articles is the same as sellling price of 16 articles find the gain percent

Answers

If the cost price of 20 articles is the same as selling price of 16 articles, then the gain percentage is 25%

To find the gain percent, we first need to calculate the profit earned on the sale of the 16 articles.

Let the cost price of each article be "C" and the selling price of each article be "S".

Given that the cost price of 20 articles is the same as the selling price of 16 articles, we can write:

20C = 16S

We can simplify this equation to:

S = (20/16)C = (5/4)C

Now, let's calculate the profit earned on the sale of 16 articles:

Profit = Total Selling Price - Total Cost Price

Profit = 16S - 20C

Profit = 16(5/4)C - 20C

Profit = 5C/2

The profit earned is 5C/2. The profit percent can be calculated as:

Profit Percent = (Profit / Cost Price) x 100

Profit Percent = (5C/2) / (20C) x 100

Profit Percent = 25%

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