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anzhelika [568]
3 years ago
9

How do you solve 8 = 3r - 1

Mathematics
2 answers:
Zanzabum3 years ago
8 0

add 1 to both sides then divide by 3. the answer should be r=3

kicyunya [14]3 years ago
8 0

Answer:

r=3

Step-by-step explanation:

First, you would add 1 to both sides so:8+1=3r-1+1 so that gives you 9=3r.

Then, you divide 3 from both sides. 9/3=3r/3 so that gives you r=3

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3 0
3 years ago
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at one scholl at prep level there were 5 set of twins,two sets of triplets and one set of quadruplets starting school this year.
IrinaK [193]

Answer: The fraction of set of twins=\frac{5}{8}

The fraction of  sets of triplets=\frac{2}{8}

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Step-by-step explanation:

Given: The number of set of twins=5

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The number of set of quadruplets=1

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∴ The fraction of set of twins=\frac{\text{set of twins}}{\text{ total multiple birth students}}=\frac{5}{8}

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∴ The fraction of set of quadruplets=\frac{\text{set of quadruplets}}{\text{ total multiple birth students}}=\frac{1}{8}

3 0
3 years ago
What is the radius of a circle with a area of 112 square inches
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Answer:

\displaystyle 5,9708213214...\:in.

Step-by-step explanation:

\displaystyle {\pi}r^2 = A \\ \\ \frac{{\pi}r^2}{\pi} = \frac{112}{\pi} \hookrightarrow \sqrt{35,650707253...} = \sqrt{r^2} \\ \\ \boxed{5,9708213214... = r}

I am joyous to assist you at any time.

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