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Leokris [45]
3 years ago
7

The figure is made up of 3 semicircles. Find its perimeter in terms of pi.

Mathematics
1 answer:
icang [17]3 years ago
5 0

Answer:

The answer is 20pi

Step-by-step explanation:

perimeter of a semicircle = pi* radius

perimeter of first semicircle = 5.pi

perimeter of second semicircle = 5.pi

perimeter of third semicircle = 10. pi

total perimeter = 5pi +5pi + 10pi

= 20pi

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Benito save six dollars out of every $20 he earns he earned $90 one month how much did he save
Wittaler [7]
I'm pretty sure he saved $27. I just divided 90 by 20 to get the amount of times he would have saved 6 dollars. Then, I multiplied that number, 4.5, times 6 to get the amount he saved. Hope that helps (and that it's correct lol). <span />
8 0
3 years ago
What is the value of n in the equation below
EleoNora [17]

Answer:

I would help answer but there is no equation

Step-by-step explanation:

4 0
3 years ago
3/5 of the class were boys. The teacher divided the boys equally into groups so the each group of boys had 1/10 of the number of
Lana71 [14]
I think boys =18
          girls=12
boys :x
girls:y
student:z
the number of group for the boys :n
the numberof group for the girls :m
so x=(3/5)*z
    y=(2/5)* z
x/y=3/2
3y-2x=0
(1/10)*z*n=(3/5) *z
so n=6
(1/5)*z*m=(2/5)* z
put x=(1/10)*z*6
    y=(1/5)*z*2
 into 3y-2x=0 and z=30
 z=30 so x=(1/10)*30*6=18
               y=(1/5)*30*2=12


4 0
3 years ago
What is 0.6 as a percent
cricket20 [7]

Answer: The answer would be 60%

6 0
3 years ago
You invested $7,000 into a money market account for 10 years at an annual interest rate of 3%. How much is the accrued interest?
steposvetlana [31]

The total interest accrued is $2,407.41 if you invested $7,000 into a money market account for 10 years at an annual interest rate of 3%.

<h3>What is invested amount?</h3>

An investment is a payment made to acquire the securities of other firms with the intention of making a profit.

We are assuming the interest will be compounded annually

\rm A = P(1+\dfrac{r}{n})^{nt}

Where A = Final amount

          P = Principal amount

          r  = annual rate of interest

          n = how many times interest is compounded per year

          t = How long the money is deposited or borrowed (in years)

We have:

P = $7000

r = 3% = 0.03

t = 10 years

n = 1

\rm A = 7000(1+\dfrac{0.03}{1})^{1\times10}

After calculating:

A = $9407.41

I = A - P = 9407.41 - 7000 = $2,407.41

Thus, the total interest accrued is $2,407.41 if you invested $7,000 into a money market account for 10 years at an annual interest rate of 3%.

Learn more about the invested amount here:

brainly.com/question/16995381

#SPJ1

4 0
2 years ago
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