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2 years ago

2 Describe the solution set of y=8

Mathematics

1 answer:

Vedmedyk [2.9K]2 years ago

7 0

Answer:

what is your question there is no equation

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Angles A and B are complementary. If mA is 13°, what is the measure of B? A. 167° B. 347° C. 13° D. 77°

Marta_Voda [28]

Answer:

Step-by-step explanation:

complementary sums until 90 degrees

90-13=77

7 0

2 years ago

Please help ASAP! THANKS<br>WILL MARK BRAINLIEST

lara31 [8.8K]

Answer:

square root of 1

Step-by-step explanation:

Try it.

8 0

3 years ago

Use the triangle below to find cos V.

Semenov [28]

Answer:

$cos\ V = \frac{2\sqrt{29}}{29}$

Step-by-step explanation:

Given

The attached triangle

Required

Find cos V

In trigonometry:

$cos\theta = \frac{Adjacent}{Hypotenuse}$

In this case:

$cos V= \frac{TV}{UV}$

Where

$TV = 6$

and

$UV^2 = TV^2 + TU^2$ -- Pythagoras

$UV^2 = 6^2 + 15^2$

$UV^2 = 261$

Take square roots

$UV = \sqrt{261$

$UV = \sqrt{9*29$

$UV = \sqrt{9} *\sqrt{29$

$UV = 3\sqrt{29$

So:

$cos V= \frac{TV}{UV}$

$cos\ V = \frac{6}{3\sqrt{29}}$

$cos\ V = \frac{2}{\sqrt{29}}$

Rationalize:

$cos\ V = \frac{2}{\sqrt{29}}*\frac{\sqrt{29}}{\sqrt{29}}$

$cos\ V = \frac{2\sqrt{29}}{29}$

8 0

2 years ago

A compact disc is designed to last an average of 4 years with a standard deviation of 0.9 years. What is the probability that a

jarptica [38.1K]

<span>3 is 1.0 below the mean. That is 1.0 / 0.9, or 1.1111... standard deviations below the mean.
So look up z < -1.11 on your graphing calculator.
It should be around 0.1335 or 13.35%</span>

4 0

2 years ago

Can someone help with my homework please

Ivanshal [37]

It would be letter A.

6 0

3 years ago

Read 2 more answers