MATHEMATICS MIDDLE SCHOOL

What is the volume of the cone shown below?
17 cm
16 cm
What is the volume of the cone shown below? 17 - 1

Answers

Answer 1
Answer:

Answer:

V = 1138.77333333 cm^3

Step-by-step explanation:

The volume of a cone is given by

V = 1/3 pi r^2 h

We know the diameter so we can find the radius

d = 16

r = d/2

  = 16/2 =8

The radius is 8

V = 1/3 pi (8)^2 * 17

V = 1088/3 *pi

Using 3.14 for pi

V = 1138.77333333 cm^3

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You saved 850$ from your summer job last summer. You put it in a account that earns simple interest each month. After 9 Months your account is worth 1,003$. What percent interest did you earn each month?

Answers

Interest earned=$1003−$850=$153
Principal=$850
Time=9 months
Rate=Interest per month

Use the formula to solve for interest: (Interest)=(Principal)×(Rate)×(Time)
              153 = 850 × R × 9
Simplify.
              153 = 7650 × R
Divide both sides by 7650.
              0.02 = Rate
She earned 2% interest each month.

Harry needs £400 to buy a new computer. He has saved £160 so far. What percentage has Harry saved

Answers

He has £160 out of £400 saved up.  Just rewrite that as a fraction and then there are two ways to finish it off.

The first way would be to just divide.
(160)/(400)=.4
Then turn that decimal into a percentage by multiplying by 100.
.4(100)=40
40%

The second way would be simplify the fraction until the denominator is 100.  The numerator is your answer.
(160)/(400)=(40)/(100)
40%

Harry has saved 40%.
160/400 divide by 2 = 80/200 = 40/100 = 20/50 = 10/25 = 2/5 and 2/5 as a percentage is 40%

I need help please and thank you

Answers

Answer:

The first ratio is 2:3:5 but that's all I can do with that

Step-by-step explanation:

Which expression represents the cost of the mulch based on the radius of the circle?

Answers

we have

m(x)=\pi x^(2)-2√(2)x^(2) ---------> equation 1

g(m)=1.50m ---------> equation 2

To represent the cost of the mulch based on the radius of the circle

Substitute equation 1 in equation 2

g(x)=1.50*[\pi x^(2)-2√(2)x^(2)]

therefore

the answer is the first option

1.50*[\pi x^(2)-2√(2)x^(2)]

Answer:

A

Step-by-step explanation:

What two decimals are equivalent to 5.300

Answers

I don't understand the question. Can I have some context?
The answers are 5.3 and 5.30. This is because you can take/add as many 0s to the end of a decimal and the value won't change.

PLEASE HELP ASAPPP !!!

Answers

Step-by-step explanation:

Given the function

f\left(x\right)=(1)/(2)\cdot 2^x

  • Putting x = -2

(1)/(2)\cdot \:2^(-2)=(1)/(2)\cdot (1)/(4)=(1)/(8)

so

(x, f(x)) will be (-2, 1/8)

  • Putting x = -1

(1)/(2)\cdot \:\:2^(-1)=(1)/(2)\cdot \:(1)/(2)=(1)/(4)

so

(x, f(x)) will be (-1, 1/4)

  • Putting x = 0

(1)/(2)\cdot \:2^0=(1)/(2)

so

(x, f(x)) will be (0, 1/2)

  • Putting x = 1

(1)/(2)\cdot \:\:2^1=2\cdot \:(1)/(2)=1

so

(x, f(x)) will be (1, 1)

  • Putting x = 2

(1)/(2)\cdot \:\:2^2=4\cdot \:(1)/(2)=2

so

(x, f(x)) will be (2, 2)

The graph is also attached below.
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