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sattari [20]
2 years ago
7

In triangle ABC, what is the value of x?

Mathematics
2 answers:
Kay [80]2 years ago
8 0

Answer:

D)X=16.2

Step-by-step explanation:

(9)^{2} =(\sqrt{5x} )^{2} \\\\\frac{81}{5} =\frac{5x}{5} \\\\answer: x=16.2

hope this helps u

MrRa [10]2 years ago
5 0

In triangle ABC the Value of x is B=14

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Explain how you can use base 10 blocks to find 2.16÷3
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3 years ago
Please help, very confused
miss Akunina [59]

Answer:

1.

-3x + 8y = -5

6x + 2y = -8

Set the equations to a common variable.

-3x + 8y = -5 → 8y = 3x - 5 → y = 3/8x - 5/8

6x + 2y = -8 → 2y = -6x - 8 → y = -3x - 4

Set the equations equal to each other.

3/8x - 5/8 = -3x - 4

Combine like terms.

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3.375x = -3.375

Divide by 3.375

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Plug x back in to find y.

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3 + 8y = -5

8y = -8

y = -1

answer: (-1, -1)

2.

3x + 2y = -16

-3x - 8y = 46

Set the equations to a common variable.

3x + 2y = -16 → 2y = -3x - 16 → y = -3/2x - 8

-3x - 8y = 46 → -8y = 3x + 46 → y = -3/8x - 23/4

Set the equations equal to each other.

-3/2x - 8 = -3/8x - 23/4

Combine like terms.

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or

-1.125x = 2.25

Divide by -1.125

x = -2

Plug x back in to find y.

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-6 + 2y = -16

2y = -10

y = -5

answer: (-2, -5)

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3 years ago
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