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2 years ago

15

nel walks 8/9 mile to the store. how far has she walked when she covered 3/4 of the distance to the store

1 answer:

Luda [366]2 years ago

6 0

I don’t know how to do this

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How do I simplify this (sinx)/(secx+1)

pochemuha

Answer:

Step-by-step explanation:

$\frac{sin~x}{sec~x+1} =\frac{sin~x}{\frac{1}{cos~x}+1 } =\frac{sin~x~cos~x}{1+cos~x} \\=\frac{sin~x~cos~x}{1+cos~x} \times \frac{1-cos~x}{1-cos~x} \\=\frac{sin~x~cos~x(1-cos~x)}{1-cos^2 x} \\=\frac{sin~x~cos~x(1-cos~x)}{sin^2x} \\=\frac{cos~x(1-cos~x)}{sin~x} \\=cos ~x(csc~x-cot~x)\\or\\=cot~x(1-cos~x)$

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3 years ago

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Step-by-step explanation:

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2 years ago

A class has 6 boys and 15 girls. What is the ratio of boys to girls

Gnoma [55]

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2 years ago

Read 2 more answers

Solve for u.<br> 36 – 9u = 27

strojnjashka [21]

Answer:

u = 1

Step-by-step explanation:

First, we can use inverse operations to help.

27 + 9u = 36

Next, we can start replacing u with numbers to find which number fits in u.

27 + 9(1) = 36

27 + 9(2) ≠ 36

27 + 9(3) ≠ 36

Now, we know that u = 1

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3 years ago

The circumference is 111.44 cm the shaded region is three times the whole circle find the area of the shaded region in square ce

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