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Scrat [10]
2 years ago
9

Instructions: Find the volume of each figure. Round your answers to the nearest tenth, if necessary.

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
7 0

The volume of the cone is  84.9 km³

<h3>How to find the volume of a cone?</h3>

Volume of a cone = 1 / 3 πr²h

where

  • h = height
  • r = radius

Therefore,

radius = 3 km

height = √9.5² - 3²

height = √81.25

height = 9.01387818866

height = 9.014 km

Volume of a cone = 1 / 3 × 3.14 × 3² × 9.014

volume of the cone = 254.732197612 / 3

volume of the cone = 84.9107325372

volume of the cone = 84.9 km³

learn more on volume here: brainly.com/question/17075150

#SPJ1

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Sanjay graphs a quadratic function that has x-intercepts of –3 and 7. Which functions could he have graphed? Check all that appl
dem82 [27]
1,3,and 4 because for 1 and 3 if you factor it out you can get (x+3)(x-7) which if you solve it it creates them to be -3 and 7. The 4 one is already factored you just solve it and it also becomes -3 and 7. The - outside the parentheses is nothing.
4 0
3 years ago
Read 2 more answers
Find the limit, if it exists (picture below)
valentinak56 [21]

Answer:

c. \frac{1}{2 \sqrt{7} }

Step-by-step explanation:

When plugging in zero into the given equation:

\lim_{x \rightarrow 0}    \frac{\sqrt{x + 7} -  \sqrt{7}  }{x} =  \frac{0}{0}

Answer is in indeterminate form = use L'Hospital's Rule:

(Derivative of the top / Derivative of the bottom)

\lim_{x \rightarrow 0}  \frac{ \frac{1}{2} (x + 7)^{ \frac{-1}{2}} - 0 }{1}

Rearranged equation:

\lim_{x \rightarrow 0}  \frac{1}{2 \sqrt{x + 7} }

Plug zero back into equation:

\lim_{x \rightarrow 0}  \frac{1}{2 \sqrt{x + 7} }  =  \frac{1}{2 \sqrt{0 + 7} } =  \frac{1}{2 \sqrt{7} }

Answer:

\lim_{x \rightarrow 0}    \frac{\sqrt{x + 7} -  \sqrt{7}  }{x} = \frac{1}{2 \sqrt{7} }

5 0
3 years ago
Exercise<br>1<br>Solve the inequality<br>of these equation<br>pretty please ​
Ad libitum [116K]

Answer:

y<6

Step-by-step explanation:

1 /3 y +  1/4  >  3 /8y

1 /3 y +  1/4  −  3/ 8 y > 3/ 8 y −  3/ 8 y

− 1 /24 y +  1 4  > 0

−1 /24 y +  1 /4  −  1/ 4  > 0 −  1 /4

−1 /24 y >  −1/ 4

Multiply both sides by 24/(-1).

y<6

<u><em /></u>

<u><em>Please mark as brainliest </em></u>

Have a great day, be safe and healthy  

Thank u  

XD

6 0
3 years ago
What is the difference of 1 and 0.1978
Marina CMI [18]

Answer: 0.8022 | This is your answer

Step-by-step explanation:

Well this question is a bit baud but I will try to answer my best.

To find the difference of any number you just need to subtract.  

So a-b=c   |  c is your difference.

So in this problem 1-0.1978 would equal 0.8022

8 0
3 years ago
Read 2 more answers
Find the surface area of the shape.
Firlakuza [10]

Answer:

268 m²

Step-by-step explanation:

8x26=208

3x10x2=60

208+60=268

7 0
3 years ago
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