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Sunny_sXe [5.5K]
3 years ago
7

In the diagram below of right triangle ACB, altitude CD is drawn by hypotenuse AB. if AB= 36 and AC= 12, what is the length of A

D?
Mathematics
1 answer:
Nady [450]3 years ago
7 0
36 squared + 12 squared = AD squared 
1296 + 144 = AD squared
square root of 1440 = AD
37.95
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Which statement is true about this equation? 3(-y 7) = 3(y 5) 6.
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The statement that is true about the equation 3(-y + 7) = 3(y + 5) + 6 is;

Statement A; The equation has one solution, y = 0

The given equation is;

3(-y + 7) = 3(y + 5) + 6

Expanding the brackets gives us;

-3y + 21 = 3y + 15 + 6

-3y + 21 = 3y + 21

Using subtraction property of equality, subtract 21 from both sides to give;

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Using addition property of equality, add 3y to both sides to give;

-3y + 3y = 3y + 3y

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Using division property of equality, divide both sides by 6 to get;

y = 0

Read more about factorization at; brainly.com/question/11000698

The missing statements are;

A. The equation has one solution, y = 0.

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Step-by-step explanation:

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Vladimir79 [104]

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Step-by-step explanation:

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