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3 years ago

Can someone help me figure out how I’m supposed to fill the table out? Thanks! ;D

Mathematics

1 answer:

kotykmax [81]3 years ago

3 0

Answer:

4-watch summer and winter, 6-just watch summer, 3-just watch winter, 2-don't watch summer or winter. 7 is the first row total, 8 is the second row total and the last row is 15. ;)

Step-by-step explanation:

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55% of students voted for Mýa as class president if 78 students voted for Mýa as class president how many students are there in

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

Let y represent students in the class

55% of y = 78

0.55y= 78

y = 142

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3 years ago

What is 20-6n=-2(n+6)?

blsea [12.9K]

20n - 6n = -2(n + 6)

20 - 6n =-2n -12

6n + 2 n = -20 -12

8n = 32

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3 years ago

The tangent of an angle is 3.4. what is the measure of the angle to the nearest tenth?

Amiraneli [1.4K]

To answer this question, you first need to know what SohCahToa is.

S- opposite over hypotenuse

C- adjacent over hypotenuse

T- opposite over adjacent

In this situation, they have made it easier for you as they have given you the quotient of the opposite and adjacent sides (3.4) . Now in order to find an angle, you take the inverse of your expression. So instead of just Tan, you would plug in Tan^-1. So plug it in:

Tan^-1 (3.4)

Answer is 73.6 degrees.

3 0

3 years ago

How do you do this question?

vivado [14]

Answer:

-1

Step-by-step explanation:

dy/dt = y² − 1 = (y + 1) (y − 1)

At t = 0, y = 0, and dy/dt = -1. Therefore, y is initially decreasing.

As y decreases, dy/dt increases. When y = -1, dy/dt = 0 and changes signs from negative to positive.

As y increases above -1, dy/dt again becomes negative. So y continues to approach -1 as t approaches infinity.

6 0

3 years ago

What is the approximate distance around the half circle with radius 12 centimeters?

Katarina [22]

You can find the perimeter of a circle by using the radius.
circumference = 2 $\pi r$
Circumference = 2 $\pi x 12$
circumference = 24 pi
Since you are only trying to find half of the circle you would divide your answer by 2

24pi / 2 = 12 pi

12 pi = 37.68

The answer is B. 37.7

4 0

3 years ago