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Leno4ka [110]
3 years ago
6

Three times the sum of 4 and a number is twice the number. Find the number.

Mathematics
1 answer:
zavuch27 [327]3 years ago
3 0

Step-by-step explanation:

let number be x

3(4+x)=2x

12 + 3x = 2x

12 = 2x - 3x

12 = -x

x= -12

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On a coordinate plane, a curved line crosses the x-axis at (negative 1, 0) and crosses the y-axis at (0, 0.25). The line exits t
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Step-by-step explanation:

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How do I verify #15 using fundamental trig identities?
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We start with the more complicated side which is the left side, and show that, on using some trigonometric identities, we will get the term on the right side .

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7 0
3 years ago
HELP I WILL GIVE BRAINIEST
Zanzabum

Answer:

13.7

Step-by-step explanation:

It forms a triangle.

They are trying to find the height, cause they say the east-bound car went east so that makes the bottom of the triangle, the width. They also give is the distance in between both cars so that's the hypotenuse so let's set up the equation...

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5 0
3 years ago
Angie and Becky each completed a separate proof to show that the measures of vertical angles AKG and HKB are equal. Who complete
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Answer:

Becky, because her justification for the second statement should be "definition of supplementary angles" rather than "angle addition postulate."

Step-by-step explanation:

Becky completed the proof incorrectly because her justification for the second statement is not totally correct.

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The sum of supplementary angles = 180°.

Therefore, Becky completed the proof incorrectly.

6 0
3 years ago
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