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pshichka [43]
2 years ago
9

WILLLLLLL MARK BRAINLIEST IF GOTTEN RIGHT

Mathematics
1 answer:
vitfil [10]2 years ago
4 0

Answer:it is 4.24 sq.in.

Step-by-step explanation:

You have to divide and multiply i think

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What is the area of the base of the cone below? Round the answer to the nearest tenth if necessary. A cone with height 8 inches
docker41 [41]

Answer:

The area of the circle is 19.5 in²

Step-by-step explanation:

First of all to solve this problem we have to know the formula to calculate the volume of a cone

v = volume  = 52 in³

r = radius

h = height  = 8 in

π = 3.14

v = 1/3 * π * r² * h

we solve r

3 * v /h * π = r²

we replace the known values

3 * 52 in³ / 3.14 * 8 in = r²

156 in³ / 25.12 in = r²

6.21 in² = r²

√6.21 in² = r

2.49 in = r

now that we have the radius we need to use the area formula of a circle:

a = area

r = radius = 2.49 in

π = 3.14

a = π * r²

we replace the known values

a = 3.14 * (2.49 in)²

a = 3.14 * 6.21 in²

a = 19.5 in²

The area of the circle is 19.5 in²

7 0
3 years ago
Read 2 more answers
There are 278 houses in Hannah's neighborhood. She collected a total of $780 from her neighbors to donate for a local charity. H
ser-zykov [4K]
First, we need to find out how many houses that Hannah received money from. We can do this by dividing the total amount of money she received by the amount she received per house.

780 / 5 = 156

Hannah received money from 156 houses.
To find the amount of houses she did NOT collect money from, we just need to subtract the amount of houses that she DID receive money from away from the total amount of houses in her neighborhood.

278 - 156 = 122

Hannah did not collect money from 122 houses.
Hope this helped! =)
6 0
3 years ago
Read 2 more answers
A tax on which of these products or services would not be considered a "sin<br> tax"?
Mars2501 [29]

Answer:

WTH

Step-by-step explanation:

5 0
3 years ago
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If x=3 than 5x+2=<br><br> HELPPPPPPPPP
Sphinxa [80]
5(3) + 2 =

15 + 2 =

17
4 0
2 years ago
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If x and y vary inversely and x = 5 when y = -3.5, what is the value of x when y = 10?
Solnce55 [7]

Answer:

Step-by-step explanation:

k = xy

Putting values of x and y in the equation

k = (5)(-3.5)

= - 17.5

Finding value of x when y = 10

k = xy

- 17.5 = x10

Bringing like terms on one side

- 17.5 - 10 = x

-27.5 = x

5 0
3 years ago
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