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3 years ago

Help me please thank you

Mathematics

1 answer:

Andrews [41]3 years ago

8 0

1st is parallel

2nd is perpendicular

3rd is perpendicular

4th is perpendicular

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Jason solved the following equation to find the value for x. –8.5x – 3.5x = –78 x = 6.5 Describe how Jason can check his answer.

sweet-ann [11.9K]

Answer: Jason can substitute $x=6.5$ into the equation. The left side of the equation must be equal to the right side of the equation.

Step-by-step explanation:

The equation $-8.5x-3.5x=-78$ must be solved by calculating the value of the variable x:

Add like terms:

$-12x=-78$

Divide both sides by -12:

$\frac{-12x}{-12}=\frac{-78}{-12}\\\\x=6.5$

Once Jason solves for x, he has to substitute $x=6.5$ into the equation and simplify to check his answers.

If his answer is right, the left side of the equation will be equal to the right side of the equation.

Then:

$-12(6.5)=-78\\-78=-78$

$x=6.5$ is a solution of the equation.

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3 years ago

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What % is 2000 from 40,000

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Answer:

Step-by-step explanation:

2000/40000 = 0.05

All you do is divide both numbers and you'll get the decimal form which in this case is 0.05 which means 5%.

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3 years ago

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I need help with this question‼️

kumpel [21]

Answer:

123

Step-by-step explanation:

Angle 1 and angle 3 are vertical angles, which are congruent.

So, if angle 1 is 123, then angle 3 is also 123.

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3 years ago

One company makes inflatable swimming pools that come in four sizes of rectangular prisms. The length of each pool is twice the

Andrei [34K]

Answer:250 litres i believe

Step-by-step explanation:

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3 years ago

Describe how to solve 4x = 36.

netineya [11]

Answer:

hope this helps! :)

Step-by-step explanation:

4x=36

divide both sides of the equation by 4

4x / 4 = 36 / 4

Any expression divided by itself equals 1

x= 36 / 4

Calculate the quotient

36/4 = 9

<u>x=9</u>

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3 years ago