3 years ago

Someone help 10 points each easy

Mathematics

2 answers:

KATRIN_1 [288]3 years ago

8 0

Answer: Thats a right triangle.....Equilateral triangle

Step-by-step explanation:

Fantom [35]3 years ago

4 0

Answer:

Step-by-step explanation:

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Which counterclockwise rotation is equivalent to a clockwise rotation of 40°?

DochEvi [55]

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Which of the following is the solution to 4/5 = 20/(x-5)?

Alexxandr [17]

Answer:

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Step-by-step explanation:

$\frac{4}{5}=\frac{20}{x-5} \\\\4(x-5)=20*5\\\\4x-20=20(5)\\\\4x=20(5)+20(1)\\\\4x=20(5+1)\\\\4x=20(6)\\\\x=\frac{20(6)}{4} \\\\x=5*6\\\\x=30$

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3 years ago

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I need help with this x/4 - 3x/8 = 5

prisoha [69]

Answer:

x=−40

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

x4−3x8=5

14x+−38x=5

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Step 2: Multiply both sides by 8/(-1).

(8−1)*(−18x)=(8−1)*(5)

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x=−40

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