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sineoko [7]
3 years ago
5

PLS HELL I WILL GIVE BRAINLIST AND A THANK YOU

Mathematics
2 answers:
Elis [28]3 years ago
8 0

Answer:

\huge \boxed{20}

Step-by-step explanation:

The angles add up to 90 degrees.

x + 2x + x + 10 = 90

Combine like terms.

4x + 10 = 90

Subtract 10 from both sides.

4x = 80

Divide both sides by 4.

x = 20

Arlecino [84]3 years ago
3 0

Answer:

x = 20

Step-by-step explanation:

Since we are solving for x let's create an equation

The whole thing is equal to 90 degrees, so we can keep that on one part of the equation

x + 2x + (x + 10) = 90

First let's add all of the x's together making it 4x + 10 = 90

Now subtract 10 from each side 4x = 80

Lastly, divide 4 on each side

x = 20

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Answer:

s ≤ -18

Step-by-step explanation:

Multiply both sides of the inequality by -3. Since the multiplier is negative, you need to reverse the comparison symbol.

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If you multiply by a positive number, you don't need to reverse the symbol. Hence multiplying by 3 gives ...

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Step-by-step explanation:

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