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3 years ago

9

If x+y = b and −x+3y=a, then what is y?

1 answer:

gladu [14]3 years ago

6 0

I honestly don’t know either

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Help Please ( and leave on how you solved it ) ":(<br> view pic below

Anton [14]

Answer:

The value of x = 10.

Step-by-step explanation:

From the given triangle,

The value of angle M = (3x + 28)°

The value of angle K = (5x - 18)°

The value of angle L = 90°

We know that the sum of a triangle is 180°.

i.e.

K + L + M = 180°

(5x - 18)° + 90° + (3x + 28)° = 180°

$5x-18+90+3x+28=180$

$5x+3x-18+90+28=180$

$8x-18+90+28=180$

$8x+100=180$

$8x=80$

$\frac{8x}{8}=\frac{80}{8}$

$x=10$

Therefore, the value of x = 10

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3 years ago

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Xelga [282]

Answer:

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3 years ago

Plz tell me the answer

kari74 [83]

Answer:

1)6cm²

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3 years ago

Write an integer for the situation.<br> A plane ascended 34,200 feet.

lesya692 [45]

Answer:

34,200

Step-by-step explanation:

Ascend means up so it's positive.

6 0

3 years ago

Drag each label to the correct location on the table. Classify text as CRT or LED. consumes less energy

Hatshy [7]

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3 years ago

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