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Andrej [43]
3 years ago
12

Which is the area of a circle with a diameter of 7 units? (Use 3.14 for pie

Mathematics
1 answer:
Elis [28]3 years ago
8 0
 <span>area of a circle = pi * r^2 
radius (r) = half the diameter = 3.5 units 
area = 3.14 * 3.5^2 = 38.47 units so thats wat it means</span>
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3 years ago
Your income last year was $27,000 from your main job, $2,200 from a part time job and $600 from interest earned on investments.
kotegsom [21]

Answer:

$894

Step-by-step explanation:

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5 0
3 years ago
hettie is stacking paper cups .each stack of 15 cups is 6 inches high. what is the total heightvof 10 stacks of cups ?
Maslowich
60 inches is the answer.

In this case the amount of cups do not matter only the height because that's what it's asking for.

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4 0
3 years ago
the sum of the first 6 terms of a geometric series is 15624 and the common ratio is 5. what is the first term of the series?
9966 [12]

Answer:

first term a=4

Step-by-step explanation:

Sum of the first 6 terms S6 = 15624

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n= 6

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15624 = a( 5^6-1)/5-1

15624 = a(15625-1)/4

15624= a( 15624)÷4

15624= 15624a÷4

Cross multiply

15624×4 = 15624a

62496 = 15624a

divide both sides by 15624

62496÷15624 = 15624a÷15624

4 = a

a= 4

7 0
3 years ago
Which expression is equal to (7 × 2) × 2?
Debora [2.8K]
The answer is C. 7 x ( 2 x 2 )
5 0
3 years ago
Read 2 more answers
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