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yuradex [85]
3 years ago
5

Find the area of a circle that has a radius of 14 feet. Approximate 1 as 3.14. Round your answer to the nearest

Mathematics
1 answer:
skad [1K]3 years ago
4 0

Answer:

The area of the circle is 615.44ft²

Step-by-step explanation:

To solve this problem we need to use the area formula of a circle:

a = area

r = radius = 14ft

π = 3.14

a = π * r²

we replace with the known values

a = 3.14 * (14ft)²

a = 3.14 * 196ft²

a = 615.44ft²

The area of the circle is 615.44ft²

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There are 31 coins of dimes and quarters. If the number of dimes is 5 more than the number of quarters, how many quarters are th
emmasim [6.3K]

Answer:

<u>13 Quarters and 18 Dimes</u>

Step-by-step explanation:

Let D and Q stand for the numbers of Dimes(D) and Quarters(Q).  Give x and y a break, and make it easier to remember which is which.

D + Q = 31

D = Q + 5

Therefore:

D + Q = 31

(Q+5) + Q = 31

2Q + 5 = 31

2Q = 26

<u>Q = 13</u>

<u>Then D = (13+5) or 18</u>

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

Check:

D + Q = 31 ?

18 + 13 = 31  <u>YES</u>

----------------------

D = Q + 5 ?

18 = 13 + 5   <u>YES</u>

5 0
2 years ago
Can someone help me with this
zimovet [89]

Answer:

Step-by-step explanation:

It pretty simple, you need to read the sentence and match the number.

Ex:

Seven more than one half = 7 more than 1/2

= 7+ 1/2

Because ‘more’ shows that you’re adding

While difference shows you’re subtracting

Quotient shows you’re dividing

And product shows you’re multiplying

And when it refers to ‘a number’ it means your variable which in this case is ‘n’.

6 0
3 years ago
WILL GIVE BRAINLIEST: if the roots of the equation x^3 +px^2+qx+r = 0 are 2, 3, and 4, find the values of p, q, and r.
klasskru [66]
8+4p+2q+r=0
27+9p+3q+r=0
64+16p+4q+r=0
P=-9
Q=26
R=-24
5 0
2 years ago
What is the scientific notation of 0.000000045?
morpeh [17]
The answer is 4.5 × 10 -8
4 0
3 years ago
Read 2 more answers
Can someone try doing this plz
Svetach [21]

Answer:

F

Step-by-step explanation:

Your welcome my guy :D

5 0
3 years ago
Read 2 more answers
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