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s2008m [1.1K]
2 years ago
7

Alyssa is designing a cone to scoop water from a tank. She figured that the scoop should hold approximately 66 in3 of liquid. Th

e diameter of her cone is 6. 5 in. What should be the height of the cone? Round your answer to the nearest whole number.
Mathematics
1 answer:
MrMuchimi2 years ago
7 0

The height of the cone, to the nearest whole number is: 6 inches.

<h3>What is the Volume of a Cone?</h3>

Volume of cone = 1/3(πr²h)

r is radius and h is the height of the cone.

Given:

Volume of cone = 66 in.³

Diameter = 6.5 in.

Radius (r) = 6.5/2 = 3.25 in.

Height (h) = ?

Plug in the values

66 = 1/3(π)(3.25²)(h)

66 = 11.1h

66/11.1 = h

h = 6 in.

Therefore, the height of the cone, to the nearest whole number is: 6 inches.

Learn more about volume of cone on:

brainly.com/question/14278632

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kicyunya [14]

Answer:

B) 65 sq in

Step-by-step explanation:

SA = area of base + 1/2(perimeter of base)(slant height)

= 5² + 1/2(20)(4)

= 25 + 40

8 0
3 years ago
Is it a b c or d someone plz answer
Mamont248 [21]

Answer:

answer is c

Step-by-step explanation:

Mark my answer as brainliest

5 0
3 years ago
Read 2 more answers
Mrs. Hart went to get her nails done at the salon. The cost was $35.00. What is the total amount if tax is 6% and she wants to l
amm1812

Answer:

B) $43.40

Step-by-step explanation:

For the tax, 6% of 35 = 2.1

So with tax = $35 + 2.1 = $37.1

18% tip

So, 18% of 35 = 6.3

So we are gonna add all the costs together = 37.1 + 6.3 = $43.40

3 0
3 years ago
I NEED HELP AND FAST PLZ
lorasvet [3.4K]

Answer:

1. False, 16=8

2. False, 15=243

3. True, 125=125

4. False, 8=9

5. False, 16=64

6. False, 0.0625=2

7. False, 0.0625=0.125

8. True, 64=64

Step-by-step explanation:

4 0
3 years ago
A video store specializes in three types of movies: children's, American West, and horror. It's known that:
xenn [34]

X, y, z denote children's movies, western movies, and horror movies, respectively. The related system of equations is formed and solved.

\left\{\begin{matrix} \qquad\qquad\ \dfrac{60}{100}x + \dfrac{50}{100}y =\dfrac{30}{100}(x+y+z)\\ \dfrac{20}{100}x+ \dfrac{60}{100}y+ \dfrac{60}{100}z= \dfrac{1}{2}(x+y+z) \\ \ \ \ x+100=y \end{matrix} \right.\

Simplifying the system of equations, we have

\left\{\begin{matrix} 3x + 2y -3z=0\\ -3x+ y+ z= 0 \\ \ \ \ x+100=y \end{matrix} \right.\ \ \Longrightarrow \ \left\{\begin{matrix} 5x-3z=-200\\ -2x+ z= -100 \end{matrix} \right.\

\ \ \  5x-3z=-200\\\underline{-6x+3z=-300} \ \Rightarrow \ x=500\\\ \ -x+0= \ 500

                                       y&=500+100=600\\ z&=3(500)-600=900

The video store has 500 children's movies, 600 westerns and 900 horror movies.

6 0
2 years ago
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