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GrogVix [38]
3 years ago
10

A control variable is:

Mathematics
1 answer:
Alexxandr [17]3 years ago
7 0

Answer:

B: kept the same to make an experiment a faith test

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Find the measure of AB if B is the midpoint of AC and AB = 2x - 4 and AC = 28
yarga [219]

Answer:

AB=14

Step-by-step explanation:

First you write the equation 2(2x-4)=28 because if b is the midpoint then AB is half of the line so you multiply that half by two the make it equal to the whole line.

Then you distribute the two and get 4x-8=28.

Then you add 8 to 28 and get 36.

Then you divide 36 by 4 because the 4 and x are being multiplied together so you have to divide to get them apart.

So then you get x=9 and you aren't done yet because you have to plug x into 2x-4.

So it is 2(9)-4 which is 18-4 which equals 14.

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3 years ago
For which of acute angle are the sine of the angle and cosine of the angle equal
iragen [17]

The sine of any acute angle is equal to the cosine of its complement. The cosine of any acute angle is equal to the sine of its complement. of any acute angle equals its cofunction of the angle's complement. Yes, there is a "relationship" regarding the tangent of the two acute angles (A and B) in a right triangle.


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The angles of a triangle are 2x, 3x, and 4x degrees. Find the value of x. A) 20 Eliminate B) 30 C) 40 D) 50
statuscvo [17]

Answer:


Step-by-step explanation:

2x+3x+4x=180

8x=180

divide by 8 to both sides

x=22.5

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The answer would be $45
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Find the prime fractorization of 96​
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Prime factorization: 96 = 2 x 2 x 2 x 2 x 2 x 3, which can also be written as 2⁵ x 3.
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