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vivado [14]
3 years ago
6

FIRST CORRECT ANSWER WILL GET BRAINLIEST PLEASE SOLVE THESE ITS DUE TODAY

Mathematics
1 answer:
Alexandra [31]3 years ago
6 0

Answer: The answer is C.

Step-by-step explanation: Brainliest if correct

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Anybody know the answer?
marysya [2.9K]
I'd start by writing an equation for each of the right triangles. (Pythagorean theorem)

y² + 9² = z²
x² + z² = (4+9)²
4² + y² = x²

we want to find z so combine the equations by substituting the other variables x,y out.

substitute y² for (x² - 4²) in 1st equation.

(x² - 4²) + 9² = z²

now by rearranging the 2nd equation we can substitute x² for (13² - z²)

(13² - z²) - 4² + 9² = z²
169 - z² - 16 + 81 = z²
234 - z² = z²
234 = 2z²
234/2 = z²
117 = z²
√(117) = z
√(9*13) = z
3√(13) = z

13 goes in the box




































6 0
3 years ago
Solve for y and find solution
Arisa [49]
Please give the equation.
5 0
3 years ago
in the diagram, the length of S is 2/3 the length of T. If S has an area of 368 cm squared, find the perimeter of the figure.
vivado [14]
920 cm squared. Divide S by 2 then multiply to find the value of T. If S = 368 then T = 552, 368 + 552 = 920.
8 0
3 years ago
Someone help with this​
Fantom [35]

Step-by-step explanation:

6x2 - x + 3 - (-5x2 + 10x - 1)

6x2 - x + 3 + 5x2 - 10x + 1

Solving like terms

11x2 - 11x + 4

5 0
3 years ago
The difference of 13 and 5 times a number is 3.
Artemon [7]

Answer:

2

Step-by-step explanation:

13-5x =3  

-13 -13  

-5x = -10  

-5 -5

x=2

3 0
3 years ago
Read 2 more answers
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