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il63 [147K]
3 years ago
10

2) On average, 75% of the planes leave on time. If 120 planes left on time

Mathematics
1 answer:
Artemon [7]3 years ago
8 0

Answer:

Step-by-step explanation:160

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What is the height of the tv and is it square inches or inches ??
fiasKO [112]
To find the height of the TV you first need to realize that the question is giving you dimensions for a triangle. 

Every triangle has a hypotenuse and two sides. To find the hypotenuse you square both sides, add them, and then square root. So to find one of the sides you get the hypotenuse, square it, and subtract the square length of the given side. 

The equation is 25^2-20^2.
Which if simplified is 625-400, the then solution is going to be 225. 
You next will square root 225, 225^(1/2). Which your answer should be 15 inches for the missing side length.
7 0
3 years ago
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HELP MATH NEED ASAP WILL GIVE BRAINLY TO CORRECT ANSWER!
rjkz [21]

1.the 2d chart is the best chose

5 0
3 years ago
I need help with this as fast as possible thanks bye
makvit [3.9K]

Answer:

153.9

Step-by-step explanation:

You use the formula πr^2 for the area, where r is the radius of the circle which is equal to half the diameter

7 0
3 years ago
What is the value of x?<br> Enter your answer in the box.<br> x =
olasank [31]

Answer:

x = 21

Step-by-step explanation:

The sum the the interior angles of a triangle is 180°.

We know that the three angles of the triangle is 100°, x° - 4, and 3x°.

The sum of 100°, x° - 4, and 3x° must equal 180°. We can turn this into the equation:

100 + x - 4 + 3x = 180

(I got rid of the degree signs because they are not necessary when finding x.)

Now, to find the value of x, we would have to solve for x in the equation 100 + x - 4 + 3x = 180.

100 + x - 4 + 3x = 180

Subtract 100 from both sides to get rid of the 100 on the left side.

x - 4 + 3x = 180 - 100

Simplify.

x - 4 + 3x = 80

Add 4 from both sides to get rid of the -4 on the left side.

x + 3x = 80 + 4

Simplify and combine like terms.

4x = 84

Divide 4 from both sides to get rid of the coefficient of 4 on the left side.

x = 84/4

Simply.

x = 21

The value of x would be 21.

x = 21

I hope you find this helpful. :)

7 0
3 years ago
Someone help me with this question!!
Zinaida [17]

Answer:

k  = 6.5

Step-by-step explanation:

y = 2x + c is given.  Thus, we know immediately that the slope of this line is m = 2.  If (k, 10) is a point on this line, then the following must be true:

10 = 2(k) + c, and

-3  + 2(0) + c

or

10 = 2k + c

c = -3

Thus, 10 = 2k + -3  becomes   13 = 2k, so that k  = 6.5

3 0
3 years ago
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