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s2008m [1.1K]
3 years ago
15

Pleas help i dont understand

Mathematics
1 answer:
disa [49]3 years ago
6 0

Answer:

<u><em>C. (the yellow one) and A. (the dark blue one)</em></u>

Step-by-step explanation:

<em>Half of 14 is 7. Half of 100 is 50. They are both equivalent because they are both 1 half.</em>

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the main rotor of a helicopter rotates 430 times per minute. find the number of degrees through which a point on the main rotor
n200080 [17]

Answer:

2580 degrees rotated per second

Step-by-step explanation:

since  you have to find the degrees it rotates per second.

you need to divide 430 by 60 to find rotations per second

1)          430/60

             =  7.16666667 rotations per second

-then you have to multiply it by 360 degrees ,because their is 360 degrees in a circle

2)        7.16666667 (360)

            =  2580 degrees rotated per second

6 0
3 years ago
Write an equation for the perimeter of the rectangle
jeka94

Answer:

Area = 2(5x - 4) + 2(5x)

Step-by-step explanation:

Perimeter is the sum of twice the width and twice the length of the rectangle. And since the question is asking us for an equation, we need to write, Area = 2(5x - 4) + 2(5x). When you are required to find the value of x with a given area, just plug that area into the equation, distribute, and simplify to get x.

4 0
2 years ago
Read 2 more answers
2x + y -z=9<br> -x + 6y + 2z =- 17<br> 5x + 7y +z = 4
Effectus [21]

Answer:

Step-by-step explanation:

What is y?

3 0
3 years ago
Please help me figure out the answers !
OverLord2011 [107]

Answer:

Step-by-step explanation:

44,89,989,54,211,26,2,78,54,51

6 0
3 years ago
These tables represent a quadratic function with a vertex at (0, -1). What is
Bond [772]

Answer:

B

Step-by-step explanation:

We can notice that based on the given pattern, the average rate of change from x=n to x=n+1, where n \in \mathbb{Z}, is -2n-1.

So, the average rate of change from x=8 to x=9 is -2(8)-1=-17.

5 0
1 year ago
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