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Anuta_ua [19.1K]
3 years ago
11

At the park there is a pool shaped like a circle with diameter 24 yd. A ring-shaped path goes around the pool. Its width is 5 yd

.
yd
24 yd
We are going to give a new layer of coating to the path. If one gallon of coating can cover 8 yd?, how many gallons of coating do we need? Note that coating
comes only by the gallon, so the number of gallons must be a whole number. (Use the value 3.14 for 1.)
Mathematics
1 answer:
Irina18 [472]3 years ago
5 0

Answer:106 gal

Step-by-step explanation:

step 1

Find the area of the path

we know that

The area of the path is given by the formula

where

r_2 is the radius of the pool plus the width of the path

r_1 is the radius of the pool

we have

---> the radius is half the diameter

substitute

assume

step 2

Find the gallons of coating needed

Divide the area of the path by 5

so

Round up

therefore

106 gal

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Plz help me quickly it’s due very soon!!!!
horsena [70]

Answer:

Step-by-step explanation:

Both angles together equal 180. Set up your formula as

-4x+5+-13x+39 = 180

Now move your terms to have all x values on one side

-4x-13x = 180-5-39

-17x =  136

x=136 / -17

Use this answer in place of your x in each equation to get the angle.

You got this!

4 0
3 years ago
Solve for x, 3ax+2b/c =4a
AfilCa [17]

Answer:

ANSWER = X = 4ac - 2b / 3ac

Step-by-step explanation:

Let's solve for x.

3a x + 2b / c = 4a

Step 1: Multiply both sides by c.

3acx + 2b = 4ac

Step 2: Add -2b to both sides.

3acx + 2b + −2b = 4ac + −2b

3acx = 4ac − 2b

Step 3: Divide both sides by 3ac.

3acx / 3ac =  4ac − 2b / 3ac

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5 0
3 years ago
Find the 7th term in the sequence -1,-5,-25
k0ka [10]

Answer:

-125

Step-by-step explanation:

-1 × 5 = -5

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5 0
4 years ago
The perimeter of a rectangle is 24 feet and the length is 3 times the width. What are the dimensions?
nataly862011 [7]
I hope this helps you




width w



length 3w



Perimeter=2. (width + length )



Perimeter=2 (w+3w)



24=2.4w



w=3


3w=3.3=9
4 0
3 years ago
HELP ME PLS explain why
Anika [276]

Answer: 110 square cm

=======================================================

Explanation:

All sides of a regular polygon are the same length. So the bottom side is also 8 cm.

Draw lines from the center to each vertex of the pentagon. Five triangles form. Each triangle has a base of 8 and a height of 5.5 (since all five triangles are congruent)

area of one triangle = 0.5*base*height = 0.5*8*5.5 = 22

area of five triangles = 5*(area of one triangle) = 5*22 = 110

3 0
3 years ago
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