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ipn [44]
3 years ago
11

Harold uses a cone shaped feeder, with a diameter of 7.5 centimeters and a height of 3.5 centimeters, to feed his tropical fish.

How many cubic centimeters of feed can this feeder hold? Use 3.14 for pi. Enter your answer in the box as a decimal rounded to the nearest tenth
Mathematics
2 answers:
Jlenok [28]3 years ago
8 0
This requires you to find the volume of the cone.
The volume of a cone is 1/3 the area of the base (a circle) times the height of the cone, or 1/3(3.14)r^2 * h.

The radius of the base is 7.5/2 or 3.75.

V = 1/3(3.14 * 3.75^2) * 3.5

V = 1/3(44.16) * 3.5

V = 1/3*154.56

V = 51.5 cm^3 of feed
PtichkaEL [24]3 years ago
8 0

Answer:

51.5\ cm^{3}

Step-by-step explanation:

step 1

Find the volume of a cone

we know that

The volume of a cone is equal to

V=\frac{1}{3}\pi r^{2}h

we have

r=7.5/2=3.75\ cm -----> the radius is half the diameter

h=3.5\ cm

substitute the values

V=\frac{1}{3}(3.14)(3.75^{2})(3.5)=51.5\ cm^{3}

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Murljashka [212]

Answer:

\huge\boxed{y=6x+9}

Step-by-step explanation:

In order to put this equation into slope-intercept form, we want to get this into the form y=mx+b, where m is the slope (coefficient) and b is the y-intercept.

We already have the equation y-6x=9. Looking at this equation, we can see that we have to get 6x off the left side of the equation and on to the right.

To do this, we can add 6x to both sides. However, if we add 6x to one side we must add it to the other.

So, let’s add 6x to both sides.

y -6x + 6x = 9 + 6x

y = 9 + 6x

We can now rearrange the terms.

y = 6x+9

Hope this helped!

6 0
3 years ago
I will mark brainlist for correct answer
Vlada [557]

Answer:

  1. neither
  2. arithmetic
  3. geometric
  4. arithmetic
  5. geometric

Step-by-step explanation:

Arithmetic sequences have a common difference. Geometric sequences have a common ratio.

The difference is found by subtracting a term from the next. If successive differences are all the same, they are "common."

The ratio is found by dividing a term by the one before it. If successive ratios are all the same, they are "common."

<h3>1.</h3>

There is no common ratio or common difference: neither.

__

<h3>2.</h3>

The common difference is 14: arithmetic.

__

<h3>3.</h3>

The common ratio is -2: geometric.

__

<h3>4.</h3>

The common difference is -6: arithmetic.

__

<h3>5.</h3>

The common ratio is 1/8: geometric.

6 0
3 years ago
Describe a cube. Use the words faces , edges,and vertices
FinnZ [79.3K]
Solutions 

A cube is a three-dimensional solid object. It consist of <span>six </span>square faces , <span>8 </span>vertices , and <span>12 edges. All the sides have the same length. </span>
8 0
3 years ago
Read 2 more answers
what is the equation of the line that passes through (3,-1) and is parallel to y=-4X + 1? give your answer in slope-intercept fo
Butoxors [25]

the answer is y=4x-11

use y+1=4x-12

move 1 to negative because move to the other side

so the answer is y=4x-11

5 0
3 years ago
-7.5 as a mixed number
Valentin [98]

Answer:

-7\dfrac12

Step by step explanation:

-7.5=-\dfrac{75}{10}=-\dfrac{15}2=-7\dfrac{1}2

8 0
2 years ago
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