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vovangra [49]
3 years ago
11

Find the value of x in the right triangle shown below

Mathematics
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

x=5

Step-by-step explanation:

h^2= a^2 + b^2

13^2= 12^2 + b^2

b^2= 13^2 - 12^2

b^2= 169 - 144

b^2= 25

b= 5

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Answer:

Step-by-step explanation:

Transformation from figure 1 to figure 2,

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3 years ago
Factored form x^2 - 4x - 21?
babunello [35]

ANSWERS:

2

−

4

−

2

1

x^{2}-4x-21

x2−4x−21

Grouping

1

Use the sum-product pattern

2

−

4

−

2

1

x^{2}{\color{#c92786}{-4x}}-21

x2−4x−21

2

+

3

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7

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2

1

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2

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3

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Solution

(

−

7

)

(

+

3

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