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krek1111 [17]
3 years ago
15

Which is the Area of a circle with a diameter of 7 units?

Mathematics
1 answer:
saul85 [17]3 years ago
7 0
Area of a circle = (3.14) * r^2
d = 7
r = 3.5

a = (3.14) * 3.5^2
a = (3.14) * 12.25
a = 38.47
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Nookie1986 [14]

Answer:

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Step-by-step explanation:

Here we are given four equations and we have to find the equation that gives the number of half inches that are in \frac{7}{8} inches.

To find how many half inches i.e. \frac{1}{2} inches are there in \frac{7}{8} inches we have to divide \frac{7}{8} by \frac{1}{2}.

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6 0
3 years ago
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olga_2 [115]

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4 0
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timama [110]

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Step-by-step explanation:

8 0
3 years ago
James has $325 in his savings account. He spends $28 a week. How many, w, weeks until he has $157 left in his account?​
otez555 [7]

Answer:

6 weeks

Step-by-step explanation:

Total savings= $325

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Let's form an expression for the amount of money left in his account after w weeks.

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28w= 325 -157

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<em>Divide by 28 on both sides:</em>

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3 0
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