1. Name a pair of angles for each of the following. (Lesson 1)

Mathematics

1 answer:

gtnhenbr [62]2 years ago

7 0

Answer:

I can't see the angle.

Step-by-step explanation:

I can't see the angle.

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An object travels around a circle of radius r with constant speed. If s is the distance traveled in time t around the circle and

Alex

Answer with Step-by-step explanation:

We are given that

Radius of circle=r

Total distance traveled =s

Time=t

Central angle= $\theta$ rad

We know that

Linear speed,v= $\frac{distance}{time}$

Using the formula

Therefore, v= $\frac{s}{t}$

Angular speed, $\omega=\frac{Angular\;displacement}{time}$

By using the formula

$\omega=\frac{\theta}{t}$ rad/s

4 0

2 years ago

Anna earned 22 points on her last test. If there were 40 possible points, what was her percent grade?

dimulka [17.4K]

Answer:

55%

Step-by-step explanation:

Since Anna earned 22 points, and there was a total of 40 points, this means that she scored 22 out of 40 points. You can simplify this by dividing the denominator and numerator by 2. Then, you can multiply both the numerator and denominator by 5 to get a number out of 100.

$\frac{22}{40} = \frac{11}{20}=\frac{55}{100}*100%=55%$