Answers
Answer:4:15
Step-by-step explanation:
Answer:
4:15.
Step-by-step explanation:
The long hand (minute) is on the 3 and the short hand (hour) is past the 4. The time is 4:15.
Related Questions
5 divided by 4.75 i need help
Answers
Answer:
1.05
Step-by-step explanation:
5/4.75
1 1/20
Please match the formula and definition with the correct word. = W/t = F/d = (v₂-V₁)/t = m/v = d/t = ma 1. Speed 2. Acceleration 3. Force 4. Work 5. Power 6. Density plsss fast
Answers
Matching the formulas and their respective definitions are;
W/t = Power
F/d = Work
(v₂-V₁)/t = Acceleration
m/v = Density
d/t = Speed
ma = Force
How to identify mathematical formulas?A) W/t
This means work done divided by the time taken. This results in an expression called Power.
B) F/d
This means force divided by the distance. This results in an expression called Work.
C) (v₂-V₁)/t
This means change in velocity divided by time. This results in an expression known as acceleration.
D) m/v
This means mass divided by volume. This results in an expression known as density.
E) d/t
This means distance divided by time and this results in an expression called "speed"
F) ma
This means mass multiplied by the acceleration and this results in an expression called Force.
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Write the equation in standard form for the circle passing through (–
8,2) centered at the origin.
Answers
The standard form for a circle is (x - h)2 + (y - k)2 = r2, where (h, k) is the center and r is the radius. Since the radius is not given, we need to plug in the information given. Since the center is at the origin, this is the point (0, 0). Since another point on the circle is (6, 8), that is the (x, y) value. So let's plug it into the equation:
(8 - 0)2 + (8 - 0)2 = r2 --> 82 + 82 = r2 --> 100 = r2 --> 10 = r.
Since r = 10 and the center is (0, 0), the standard form equation of this circle is (x - 0)2 + (y - 0)2 = 102 or just x2 + y2 = 100.
What is radius?In classical geometry, a radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the latin radius, meaning ray but also the spoke of a chariot wheel.A radius is a straight line from the center of a circle to the circumference of a circle. The distance from the center point to any endpoint on the circle.To learn more about radius refer to:
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PLEASE HELP!!!!!!!!
Given 2 and one-eighth times negative 7 times five tenths, determine the product.
negative fourteen and five eightieths
negative 7 and seven sixteenths
fourteen and five fortieths
7 and one eighth
Answers
Answer:
Negative seven and seven sixteenths
Step-by-step explanation:
2⅛ x (-7) x 5/10
= 17/8 x (-7) x 1/2
= - 119/16
= - 7 7/16
Find the values of x and y
Answers
Answer:
x = 20
y = 70
Step-by-step explanation:
It's rather difficult to explain since nothing is labeled but those are the answers
What is the average rate of change for the function over the interval [-6,-4]
Answers
Answer:20
Step-by-step explanation:
Please help! Multiple GEO post
Answers
The exterior angle y of the triangle is 60 degrees.
How to find the angle of a triangle?The sum of angles in a triangle is 180 degrees. The external angle y of the triangle can be found using exterior angle theorem.
Therefore, the exterior angle theorem states that the measure of an exterior angle is equal to the sum of the measures of the two remote interior angles of the triangle.
Hence, using the exterior angle theorem,
y = 35 + 25
y = 60 degrees.
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scientific notation is used to keep track of very small and vary large numbers during mathematical calculations. truefalse
Answers
It is true that very small and very large and small numbers can be expressed in terms of scientific notation.
What is Scientific Notation ?Scientific notation is a method of expressing numbers in terms of a decimal number between 1 and 10, but not 10 itself multiplied by a power of 10.
The general for of scientific notation is
In scientific notation, all numbers are written in the general form as
N × [tex]10^{m}[/tex]
N times ten raised to the power of m, where the exponent m is an integer, and the coefficient N is any real number. The integer m is called the order of magnitude and the real number N is called the significand.
The digit term in the scientific notation indicates the number of significant figures in the number. The exponential term only places the decimal point. As an example,
4660000 = 4.66 x 106
This number only has 3 significant figures. The zeros are not important, they are just placeholders. As another example,
0.00053 = 5.3 x 10-4
This number has 2 significant figures. The zeros are only placeholders.
Scientific Notation Rules:
While writing the numbers in the scientific notation we have to follow certain rules they are as follows:
The scientific notations are written in two parts one is the just the digits, with the decimal point placed after the first digit, followed by multiplication with 10 to a power number of decimal point that puts the decimal point where it should be.
If the given number is greater than 1 and multiples of 10 then the decimal point has to move to the left, and the power of 10 will be positive
Example: Scientific notation for 8000 will be 8 × 103.
If the given number is smaller than 1 means in the form of decimal numbers, then the decimal point has to move to the right, and the power of 10 will be negative.
Example: Scientific notation for 0.008 will be 8 × 0.001 or 8 × 10-3.
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Please help me. I don't want to get the answer wrong
Answers
Answer:
photo?
Step-by-step explanation:
Find the area of sector FIJ. Round to
the nearest tenth.
Answers
The area of sector FIJ is 233.4cm².
What is the area of the sector?
The quantity of space included within the sector's perimeter is referred to as the sector's area in a circle. A sector always starts at the circle's center. The area of a circle encompassed between its two radii and the arc next to them is known as the sector of a circle.
Here, we have
Given: FI = 13cm and angle = 160°
The area of a sector is given as
= (θ/360)×π×r²
= (160/360)×π×13²
= 0.44×3.14×13²
= 233.4cm²
Hence, the area of sector FIJ is 233.4cm².
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What is life? Ok answer me that I'm okay just answer the question
Answers
The required life is any living thing that has the property to be born, grow and end of the life cycle is life.
What are living beings?Any object that has characteristics of life is called living a being.
Here,
Life can be defined as the ability for growth, response to encouragements, metabolism, energy vitality and reproduction are characteristics that set life apart from matter that lacks biological activities, such as signaling and self-sustaining processes.
Thus, the required life is any living thing that has the property to be born, grow and end the life cycle is life.
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identify the measure of angle X:
Answers
Since the line is linear, the sum of the angles should be 180 degrees
x + 28 + 73 = 180
x = 180 - 28 - 73
x = 79 degrees
Hope this helped :)
4. Which of the following expressions has a
leading coefficient of -2
a. -2x^2+4x-8x^3
b. X-2
c. 3x^-2+6x+1
d. -2x^4+3x-10
e. -2x-3x^2
Answers
Answer:
Step-by-step explanation:
d
7
a-4
a - 4
||
|
14
6
Are these 2 equivalent.
Answers
The equations a + 4 = 14 and a = 6 - 4 are not equivalent.
How to illustrate the equation?An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario.
From the information, a - 4 = 14
Therefore a = 14 + 4
a = 18.
a + 4 = 6
a = 6 - 4.
a = 2
They are not equivalent.
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a - 4 = 14
a + 4 = 6
Are these 2 equivalent.
What is the range of f(x) = -3x + 7 for the domain {-8, -6, -3, -2, 2}?
Answers
Answer:
10
Step-by-step explanation:
Population size:5
Lowest value: -8
Highest value: 2
In kite wxyz , m∠zwy=43° and m∠xyw=12° . what is m∠wxy ? enter your answer in the box. m∠wxy = °
Answers
In kite wxyz where m∠zwy=43° and m∠xyw=12°, m∠wxy = 125°
Therefore the answer is 125.
A kite is a quadrilateral with pair of two adjacent equal sides. In the given kite wxyz, adjacent sides wx = wz and zy = xy
Here, from the figure it is evident that Δwyz is congruent to Δwyx as wx = wz, xy = zy and wy as common side by SSS congruent criteria. Thus
m∠xwy = m∠zwy = 43°
Now considering Δxwy, m∠xwy + m∠xyw + m∠wxy = 180° by angle sum property of triangle. Angle sum property of triangle states that the sum of interior angles of a triangle is 180°. Therefore,
m∠wxy = 180° - m∠xwy - m∠xyw
= 180° - 43° - 12°
= 125°
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A culture of bacteria has an initial population of 37000 bacteria and doubles
every 2 hours. Using the formula Pt = Po 2, where Pt is the population
after t hours, Po is the initial population, t is the time in hours and d is the
doubling time, what is the population of bacteria in the culture after 7 hours,
to the nearest whole number?
Answers
After 7 hours, the population of bacteria is obtained as 418544.
What are the rules of exponents?Some of the rules of exponents are as follows,
The product of two exponents having the same power is equal to the power of their base multiplied.
The product of two exponents having the same base is equal to the sum of the powers of different exponents to the same base.
The initial population of bacteria is given as 37000.
And, the doubling time is 2 hours.
Then, the formula for the population of bacteria at t hour can be given as,
P(t) = P₀ × [tex]2^{t/2}[/tex] where P₀ is the initial population.
Substitute t = 7 and P₀ = 37000 to get,
P(7) = 37000 × [tex]2^{7/2}[/tex]
⇒ P(7) = 418544
Hence, the population of bacteria after 7 hours is 418544.
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Proportions
Lily planted 8 zucchini plants and got 50
zucchinis. Next year she intends on planting
20 zucchini plants. How big will her harvest
be?
29
A 125
B 145
C 75
D 95
Answers
Answer:
a) 125
Step-by-step explanation:
[tex]\frac{8}{50}[/tex] = [tex]\frac{20}{x}[/tex] Cross multiply and solve for x
8x = 1000 Divide both sides by 8
[tex]\frac{8x}{8}[/tex] = [tex]\frac{1000}{8}[/tex]
x = 125
A coach is buying snacks for 22 players at a soccer match. She pays a total of $77 to
buy each player a bottle of water and an energy bar. The price of one energy bar is $2.
Let w equal the price of a bottle of water. Write an equation that
represents the situation.
Answers
Answer: 22( w + 2 ) =77 and the amount of the water bottle would be 1.50
Step-by-step explanation: i dont know what to write??
Oscar drove 3 hours in 105 miles. How many miles did he drive per minute?
Answers
Answer:
35
Step-by-step explanation:
1.divide the miles that Oscar drove to get 105÷3=35
PLEASE HELP!
P(x)=x^3 - 4x^2 - 1
Where P is in hundreds of dollars and x is the number of years elapsed since the start up year
Answers
Answer:
Yes, the company will break even at some point in time
Step-by-step explanation:
I am not sure what methodology your teacher has been using. I am going to provide a simple methodology
The polynomial function for profit is[tex]p(x) = x^3 - 4x^2 - 1[/tex]If [tex]p(x)[/tex]has at least one zero then that means it will intersect the x-axis and the company will break even(Revenue = Costs)
The zeros of [tex]p(x)[/tex] are the values of x where [tex]p(x) = 0[/tex]
So if we can find out if [tex]p(x)[/tex] ever crosses the x-axis then that would indicate that the company will break-even at some value of [tex]x[/tex] years. If not, the company will never break even.
There is a rule to determine how many zeros a polynomial will have or in other words how many times it crosses the x-axis. This is known as Descartes' Rule of Signs.
Briefly the rule states that the number of zeros can be determined by the number of sign changes in the polynomial for consecutive termsp(x) can be re-written as:
+x³ - 4x² - 1If we look at the signs we see + - -Therefore there is one sign change from + to -This means p(x) will have one zero
Therefore the company will break-even at some point
Other Notes
You can also solve for the roots of the polynomial and see how many real roots are there. In this case there is one real root at [tex]x\approx \:4.0606[/tex]. But that is a lot of workAnother way to approach this problem is to simply graph the function and see if it crosses the x axis. I have provided the graph of this function and you can see that it does cross the x-axis at [tex]x = 4.06[/tex]I hope that helps you
Usually Cassandra tap dances 1 7/8 hours a day. Today she reduced this time by half. For how long did she tap dance today?
Answers
Answer: 15/16 hour
Step-by-step explanation:
Is △XYZ equilateral, isosceles, or neither? Explain your reasoning. (Make sure to include how/why you know which of these categories the triangle falls into!)
Answers
Answer:
equilateral
Step-by-step explanation:
You want to know if the given triangle with angles marked (2x)°, (2x)°, and (3x-30)° is equilateral, isosceles, or neither.
AnglesOn the face of it, the triangle is at least isosceles, as two angles are marked identically as (2x)°.
When we apply the angle sum theorem, we find ...
(2x)° +(2x)° +(3x -30)° = 180°
7x -30 = 180
7x = 210
x = 30
2x = 2(30) = 60
3x -30 = 3(30) -30 = 60
All of the angles have the same measure, 60°, so the triangle is equilateral.
Answer:
3 equal angles = equilateral triangle
Step-by-step explanation:
the sum of the interior angles in a triangle is 180°
2x + 2x + 3x - 30 = 180
7x = 210
x = 210 : 7
x = 30
find angle Y & Z2 x 30 = 60°
find angle x3 x 30 - 30 = 60
3 equal angles = equilateral triangle
Which pair of equations corresponds to the two sets of
data in the table?
X
-2
-1
0
1
2
У1
-2
0
2
4
6
Y₂
4
4
4
4
4
Answers
Answer:
Step-by-step explanation:
100pts. Need Answer ASAP
Use the Substitution method, jan is solving the system of equations.
A. 3(−3x + 2) − 2x= −24
B. 3(−3x - 2) − 2x= −24
C. 3x − 2(−3x + 2)= −24
D. 3x − 2(−3x − 2)= −24
Answers
62/87,21
y = x + 5
3x + y = 25
Substitute x + 5 for y in the second equation.
Substitute the solution for x into either equation to find y.
The solution is (5, 10).
2(x + 3) = 6(2x - 4) Solve linear equations
Answers
2x + 6 = 12x - 24
6 + 24 = 12x - 2x
30 = 10x
30/10 = x
Therefore x = 3
how to simpify 2,400/100
Answers
Answer:
24/1
Step-by-step explanation:
[tex] \frac{2400}{ \\ 100} [/tex]
and u get 24/1
3y= -6x+1. Find the value of y.
Answers
[tex]3y= -6x+1[/tex] for y
Divide both sides by 3:
[tex]\dfrac{3y}{3} =\dfrac{-6x+1}{3}[/tex]
[tex]\fbox{y = $-2x+\dfrac{1}{3} $}[/tex]
Determine whether AB¯¯¯¯¯¯¯¯ A B ¯ is congruent to CD¯¯¯¯¯¯¯¯ C D ¯ . Justify your answer. A(1, 5) A ( 1 , 5 ) , B(6, 1) B ( 6 , 1 ) C(−2, 8) C ( − 2 , 8 ) , D(−6, 3) D ( − 6 , 3 ) Which of the following best solves the problem? Show Hints
Answers
AB is congruent to CD.AB = CD =[tex]\sqrt{14} units[/tex] (proved)
What is the distance formula of coordinate geometry?In coordinate geometry, we use the distance formula to find the distance between two coordinates in a straight line. It represented D.
Let's consider two points on a coordinate plane given as A and B (x₂, y₂).
D = [tex]\sqrt{(x2 -x 1)^2 + (y2 - y1)^2}[/tex]
Given:
The coordinates of the given quadrilateral are,
A(1, 5), B(6, 1), C(−2, 8), D(−6, 3).
According to the question we need to determine AB = CD.
By using the distance formula of coordinate geometry.
[tex]\sqrt{(x2 -x 1)^2 + (y2 - y1)^2}[/tex]
Distance between A and B,
[tex]AB =\sqrt{(6 - 1)^2 + (5-1)^2 } \\AB = \sqrt{5^2 + 4^2} \\AB = \sqrt{25 + 16} \\AB = \sqrt{41} units[/tex] .......(1)
Distance between C and D,
[tex]CD =\sqrt{(-6 -(-2))^2 + (3-8)^2 } \\CD = \sqrt{(-4)^2 + (-5)^2} \\CD = \sqrt{16 + 25} \\CD = \sqrt{41} units[/tex].......(2)
From equation (1) and (2) we find that
AB = CD =[tex]\sqrt{14} units[/tex]
Hence, AB is congruent to CD.AB = CD =[tex]\sqrt{14} units[/tex] (proved).
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what is the slope of 0,70 and 20,80
Answers
Answer:
What is the slope of 0,70 and 20,80
Step-by-step explanation:
What is the slope of 0,70 and 20,80
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