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omeli [17]
3 years ago
13

Find the circumference in feet.

Mathematics
1 answer:
Rama09 [41]3 years ago
3 0

Answer:

C≈25.13ft

Step-by-step explanation:

Using the formulas

C=2πr

d=2r

Solving for C

C=πd=π·8≈25.13274ft

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the moon is about 240000 miles from earth what is this distance written as a whole number multiplied by a power of ten
miskamm [114]
24 x 10^4, the 4 comes from with how many jumps it took to land on a whole number from 240,000.  
4 0
3 years ago
Frank has 24 pennies, 62 nickels, 55 dimes, 16 quarters, and 19 fifty-cent pieces. How much money does he have?
erik [133]

Answer:

$22.34

Step-by-step explanation:

24 pennies is .24 of a dollar

62 nickels will be: (62 x 5) / 100 = 3.10

55 dimes is 5.5

16 quarters will be 4.0

19 fifty-cents will be 9.5

Add them up to get $22.34 if I’m right.

Hope this helped.

5 0
3 years ago
To three decimal places, find the average value of f(x) = 2x2 + 3 on the interval [0, 2].
salantis [7]
The formula for the average value of a function is \frac{1}{b-a}  \int\limits^b_a {f(x)} \, dx where b is the upper bound and a is the lower.  For us, this formula will be filled in accordingly.  \frac{1}{2}  \int\limits^2_0 {(2x^2+3)} \, dx.  We will integrate that now: \frac{1}{2}[ \frac{2x^3}{3}+3x] from 0 to 2.  Filling in our upper and lower bounds we have \frac{1}{2}[( \frac{2(2^3)}{3}+3(2))-0] which simplifies to \frac{1}{2}( \frac{16}{3}+6) and \frac{1}{2}( \frac{16}{3}+ \frac{18}{3})= \frac{1}{2}( \frac{34}{3}) which is 17/3 or 5.667
7 0
3 years ago
Round to the nearest tenth: 6.932635<br> 6.9<br> 6<br> 6.8<br> 7
Lera25 [3.4K]
6.932635
   ^ This is the tenths place.

Since the number after it is less than 5, we round down.

So we round to:

6.9
7 0
3 years ago
Read 2 more answers
Solve 960 divided by 4 using the area model Show your work
Alborosie
The answer is 960 ÷ 4 = 240. I hope this helps
6 0
3 years ago
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