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3 years ago

What is the answer to this equation? -5n=13-3m

1 answer:

3 0

First, add 3m to each side of the equation. That would leave you with : -2n=13

Next divide -2 from each side so you can get n by itself.

ANSWER: n= -6.5

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A circle has a radius of 7.5 centimeters and a central angle AOB that measures 90 degrees. What is the length of the intercepted

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Since there are $360^{\circ}$ in a circle, and central $\angle AOB = 90^{\circ}$ , you can see that the part "sliced out" by the central angle is $\frac{90^{\circ}}{360^{\circ}} = \frac{1}{4}$ of the whole circle.

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4 years ago

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I need help with this

borishaifa [10]

Answer:

★ = 3

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◆ = 5

Step-by-step explanation:

If we use direct correspondence in the second equation, then we have ...

◆ = 5

★ = 3

The values of ★ and ✚ in the first equation must total 7. This means ...

✚ = 7 -3 = 4

Again, using direct correspondence in the third equation, we have ...

■ = 4

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