Answers
Answer:
use ur brain
Step-by-step explanation:
ask ur teacher if the be bad teacher google it
Related Questions
Find the value of F and
S. Round the answer to the nearest hundredth.
Answers
Answer:
F = 1/2 OF 143
S = 1/2 OF 55 or 60
Step-by-step explanation:
did the math
In a lab, a colony of 100 bacteria is placed on a petri dish. The population triples every hour.
1. How would you estimate the population of bacteria in. Make the minutes into a decimal and tell me what to substitute. Be specific on what you would do
a. 90 minutes?
b. 30 minutes?
2. How would you estimate the number of hours it would take the population to grow to 1,000 bacteria. Be specific on what you would do.
Reply as answers 1a, 1b, 2.
Answers
Answer:
1.a 519.615
1.b 173.21
2. It would take approximately 2.1 minutes
Step-by-step explanation:
If the population triples every hour then after one hour the population must be:
population(0) = 100
population(1) = 100*3 = population(0)*3
After two hours:
population(2) = population(1)*3 = population(0)*3*3 = population(0)*3²
After three hours:
population(3) = population(2)*3 = population(0)*3²*3 = population(0)*3³
Therefore the equation that will model the growth of the population is:
population(n) = 100*3^n
1. a.
We first need to convert the time from minutes to hours, to do that we must divide by 60. We have:
time = 90/60 = 1.5
We then apply this value in the "n" from the equation above:
population(1.5) = 100*3^(1.5) = 519.615
1.b.
We have to follow the same steps as before:
time = 30/60 = 0.5
population(0.5) = 100*3^(0.5) = 173.21
2.
We now use the same equation as before, but we want to solve for n isntead of "population". We have:
1000 = 100*(3^n)
100*(3^n) = 1000
3^n = 1000/100
3^n = 10
ln(3^n) = ln(10)
n*ln(3) = ln(10)
n = ln(10)/ln(3) = 2.095
It would take approximately 2.1 minutes
a large triangular piece of canvas is being used to shade a playground. The canvas measures 27 meters in height and has a base of 23 meters. how many square meters will the canvas cover
Answers
Answer:621
Step-by-step explanation:
27*23
Although. Don't. Trust. it
Answer:
621
Step-by-step explanation:
23 times 27 = answer
Please please please please please please thank please please please help me please ASAP
Answers
Answer:
4
Step-by-step explanation:
3x^2 + 2(y-1)/x+y^2
3(4)^2 + 2(3-1)/4+3^2
3x16+2x2/4+9
48+4/13
52/13
4
A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 35% salt and Solution B is 80%
salt. She wants to obtain 90 ounces of a mixture that is 40% salt. How many ounces of each solution should she use?
Solution A:
Solution B:
Answers
Answer:
80? bc yhu cant use solution a because it only has 35...i think
Step-by-step explanation:
if im wrong sorry
The requried scientist should use 80 ounces of Solution A (35% salt) and 10 ounces of Solution B (80% salt) to obtain a 90-ounce mixture that is 40% salt.
Let's assume the scientist uses x ounces of Solution A and y ounces of Solution B to obtain the desired mixture.
From the information given, we can set up the following equations:
Equation 1: The total amount of solution is 90 ounces, x + y = 90
Equation 2: The amount of salt in the mixture can be expressed as, 0.35x + 0.80y = 0.40 * 90
Simplifying Equation 2:
0.35x + 0.80y = 36
To solve these equations, we can use substitution or elimination. Let's use the substitution method.
From Equation 1, we can express x = 90 - y and substitute it into Equation 2:
0.35(90 - y) + 0.80y = 36
31.5 - 0.35y + 0.80y = 360
45y = 4.5y = 10
Substituting y = 10 back into Equation 1:
x + 10 = 90
x = 80
Therefore, the scientist should use 80 ounces of Solution A (35% salt) and 10 ounces of Solution B (80% salt) to obtain a 90-ounce mixture that is 40% salt.
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Part B: what is the correct answer
x = 1
x = 2
x = 3
x = 4
Answers
Answer:
hard idk your awesome tho
Step-by-step explanation:
bdvewhjdbqw,
Dependent or Independent
Answers
Answer:in
Step-by-step explanation:
Circle O has a circumference of 36 cm.
What is the length of the radius, m?
06 cm
18 cm
36 cm
72 cm
Answers
Answer:
5.73 The closest answer is probably 6
Step-by-step explanation:
Answer: The radius is 5.73 CM so the answer is A, 6.
Step-by-step explanation: The radius is equal to one half the diameter
Pi times the diameter equals the circumfrence. so we do
36/3.14/2
3) The sum of three consecutive numbers is 72. What are the smallest of these numbers?
Answers
Answer:
23
Step-by-step explanation:
23 + 24 + 25 = 72
A box contains 7 yellow, 5 blue, and 4 red balls. Three balls are drawn at random. Find the probability that:
Exactly two balls are yellow
Answers
Answer:
1/6 is the probability. im pretty sure
Please help!!
Simplify the expression.
csc^2x-1/ 1 +sinx
Answers
Answer:
Step-by-step explanation:
The product of x and 6 is less than or equal to -17.
Answers
6x < -17
But the less than sign has a line underneath.
A medical company tested a new drug for possible side effects. The table
shows the relative frequency that a study participant experienced the side
effect.
Side effect
0.21
No side effect
0.29
Adults
Children
0.06
0.44
Do these data suggest an association between age and experiencing side
effects?
A. No. A greater percentage of both adults and children had no side
effects.
B. No. Adults were as likely to experience side effects as children.
C. Yes. A greater percentage of adults experienced side effects than
children
D. Yes. A greater percentage of children experienced side effects
than adults.
Answers
The relative frequency that a study participant experienced the side
effect, No. A greater percentage of both adults and children had no side effects.
While they don't give nearly enough information on sampling size to be credible data or how many kids vs how many adults,
What is the relative frequency?A relative frequency distribution is a type of frequency distribution. The first image here is a frequency distribution table.
The simplistic answer is (A) a greater percentage of kids experienced side effects among their peers than the adults among their peers.
Therefore, No. A greater percentage of both adults and children had no side effects is the correct option.
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Answer:
No. A greater percentage of both adults and children had no side effects is the correct option.
Mr. Massy started baking cupcakes at 7:15 a.m. The cupcakes finished baking at 7:40 a.m. How long did it take the cupcakes to bake?
Answers
Answer:
25 minutes
Step-by-step explanation:
If the cupcakes started baking at 7:15, then it takes 25 minutes to get to 7:40.
Answer:
he took 25 min
Step-by-step explanation:
40-15 =25
Algebra 2 hurry please
Answers
Answer:
The second answer 0.0380
Find the surface area of the cube for 1/4
Answers
Answer:
6a^2Step-by-step explanation:
This is the answer
"To find the surface area of a cube, use the formula: surface area = 6s^2, where s is the length of one of the sides. If you don't know the length of the sides, you can find the surface area using volume. Just find the cube root of the volume, which is equal to the length of one side of the cube."
Hope this helps!whats the missing variable in the equation:2(x+5)-7 = 3(x-2)
show work please
(20 points)
Answers
Answer:
x=9
Step-by-step explanation:
2(x+5)-7 = 3(x-2)
2x+10-7=3x-6
2x+3=3x-6
2x=3x-9
-x=-9
x=9
Will Give Brainliest
Which function can be used to model the graphed geometric sequence?
f(x + 1) = Five-sixthsf(x)
f(x + 1) = Six-fifthsf(x)
f(x + 1) = Five-sixths Superscript f (x)
f(x + 1) = Six-Fifths Superscript f (x)
Answers
Answer:
f(x + 1) = Five-sixths Superscript f(x)
Step-by-step explanation:
Answer:
The answer is A. f(x + 1) = Five-sixthsf(x)
Step-by-step explanation:
The lowest point of elevation in the United States is at Death Valley National Park in California at 282 feet below sea level. The Dead Sea in Israel is 1,360 feet below sea level. Write a division expression that could be used to find how many times greater the Dead Sea lies below sea level than Death Valley. Then determine how many times greater. Round to the nearest whole number.
Answers
Answer:437
Step-by-step explanation:I took the test
Solve the equation
8/x + 3 = 1/x + 1
Answers
Answer: I got the answer of -7/2
Step-by-step explanation:
8
x
+3=
1
x
+1
Multiply all terms by x and cancel:
8+3x=1+1x
3x+8=x+1(Simplify both sides of the equation)
3x+8−x=x+1−x(Subtract x from both sides)
2x+8=1
2x+8−8=1−8(Subtract 8 from both sides)
2x=−7
2x
2
=
−7
2
(Divide both sides by 2)
x=
−7
2
Check answers. (Plug them in to make sure they work.)
x=
−7 /2
(Works in original equation)
Answer: -7/2
Using multiplication, the equation has the solution is -7/2.
What is multiplication?
The multiplication is "the process of multiplying one number is to multiply to its certain number of times".
According to the question,
[tex]\frac{8}{x} + 3 = \frac{1}{x} +1[/tex]
[tex]\frac{(8+3x)}{x} = \frac{1+x}{x}[/tex]
8 + 3x = 1 + x [By cancel 'x' on both denominator]
8 - 1 = x - 3x
7 = -2x
x = - [tex]\frac{7}{2}[/tex]
Hence, using multiplication the equation has the solution is -7/2.
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what is the additive inverse of 129/7?
Answers
Answer:
-129/7
Step-by-step explanation:
The additive inverse of a number is what you add to a number to create the sum of zero
129/7 + x = 0
It is the opposite of 129/7
-129/7
PLEASE ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Let ABCD be a trapezoid with bases AB and CD. Let AD=5 and BC=7, and let P be a point on side CD such that CP/PD=7/5. Let X,Y be the feet of the altitudes from P to AD, BC respectively. Show that PX=PY.
Answers
Answer:
I think you should google this because I found the answer there and i am not able to put the link here sorry :(.
Step-by-step explanation:
• Over-reliance on oil also increases economic unpredictability. When oil prices drop, as is presently the case, the related
decline in revenue requires cuts in public spending, which hurts growth in the non-oil sector and leads to lower public
employment
-adapted from Economic Diversification in Oil-Exporting Arab Countries, International Monetary Fund (April 2016)
Which of these statements best supports this argument?
ОА. Saudi Arabia does not export enough oil.
B. Saudi Arabia's oil supply is controlled by private corporations.
C. Saudi Arabia produces too little oil.
OD
Saudi Arabia's oil supply is controlled by the government.
Reset
Next Question
Answers
Answer:
B. Saudi Arabia's oil supply is controlled by private corporations.
Step-by-step explanation:
This is the best answer and is saying they are too reliant on other countries oils.
Answer:
B
Step-by-step explanation:
What is the domain of the function y= sqrt x
Answers
Answer:
So the domian of square root of x will be All real numbers greater than or equal to 0.
This can be expressed as:
[0 , ∞)
or
x ≥ 0
Answer: [tex]x\geq 0[/tex]
Step-by-step explanation:
[tex]y=\sqrt{x}[/tex]
Taking into consideration that the square root must always be equal to or greater than zero to avoid negative numbers, we conclude that the domain is;
[tex]x\geq 0[/tex]
Which number is divisible by 3
Answers
Answer:
6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,...
Step-by-step explanation:
What is the surface area?
4 cm
4 cm
4 cm
Answers
Answer:
would be 4cm x 4 cm = 16 sq.cm. 6 surfaces of the cube would be 6 x 16 = 96 sq.cm. By definition, a cube has congruent sides. So, each side has an area A = s^2.
Step-by-step explanation:
hope this helps
The total surface area of the cube is 96 square centimeters.
We have,
Given that each side of the cube measures 4 cm, the formula to calculate the surface area is:
Surface Area = 6 * (side length)²
Substituting the value of the side length,
Surface Area = 6 * (4 cm)²
Surface Area = 6 * 16 cm²
Surface Area = 96 cm²
Therefore,
The total surface area of the cube is 96 square centimeters.
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The complete question:
"What is the total surface area of a cube with each side measuring 4 cm?"
MARKING BRAINLIEST
Desiree has a box of grease pencils. 8 are green, 10 are yellow, 9 are brown, and 5 are blue. What is
the probability of Desiree selecting a green grease pencil at random, replacing it back into the box, and
then selecting a yellow grease pencil?
a 5/62
b 18/64
c 5/64
d 6/20
Answers
Step-by-step explanation:
Total marbles = 8 + 9 + 10 + 5 = 32.
Probability of green pencil= 8 / 32 = 1 / 4
Probability of yellow = 10 / 32 = 5 / 16
The chart below shows the distribution of weeds in a yard.
A circle graph titled Lawn weeds. The largest proportion is crab grass, then dandelion, then clover, then chickweed.
A lawn-care specialist chooses a random sample from the yard and determines the number of weeds in the sample. The results of the sample are shown in the table below.
Weed Type
Number
Dandelion
2
Clover
3
Crab Grass
2
Chickweed
2
Which explains whether or not this is a representative sample?
Yes, this is a representative sample because each type of weed is represented in the sample.
Yes, this is a representative sample because each type of weed is represented approximately the same number of times in the sample.
No, this is not a representative sample because each type of weed should be represented in proportion to the number of weeds actually present in the yard.
No, this is not a representative sample because each type of weed should be represented exactly the same number of times in the sample.
Answers
Answer:
Its c,No, this is not a representative sample because each type of weed should be represented in proportion to the number of weeds actually present in the yard.
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
4) If z/3 = 6, what is z equal to?
Answers
Answer:
z/3 = 6
multiply both sides by 3
z/3 * 3 = 6*3
z = 18
PLEASE HELP ON THIS QUESTION! I WILL MARK YOU BRAINLIEST IF CORRECT :) TYY
Answers
Answer:
no it's not a reflection
Step-by-step explanation:
a reflection would not be upside down like that, it would be the same thing rotated
