3 years ago

The formula for rate is r=d/t Solve for d.

Mathematics

1 answer:

Oksanka [162]3 years ago

8 0

Rt=d
Hope this helps

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Solution:

Given $2\frac{2}{3}$ of what number is $6\frac{1}{7}$ .

Let us first convert the mixed fraction into improper fraction.

$$2\frac{2}{3}=\frac{(2\times3)+2}{3}=\frac{8}{3}$

$$6\frac{1}{7}=\frac{(6\times7)+1}{3}=\frac{43}{3}$

Now, let us take the unknown number be x.

$$2\frac{2}{3}\times x=6\frac{1}{7}$

$$\frac{8}{3}\times x=\frac{43}{7}$

Do the cross multiplication.

$$ x=\frac{43}{7}\times\frac{3}{8}$

$$ x=\frac{43\times3}{7\times8}$

$$ x=\frac{129}{56}$

Now, again change the improper fraction into mixed fraction.

$$ x=2\frac{17}{56}$

Hence $2\frac{2}{3}$ of $2\frac{17}{56}$ is $6\frac{1}{7}$ .

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Set up and solve an equation:

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Is this true? 3(90-45) = (180-45)? If so, x = 45 degrees is correct.

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Answer:

31.4 (simplified)

Step-by-step explanation:

C≈2π*5

C≈31.41593 (full answer)

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