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3 years ago

Twice a number is one?

Mathematics

2 answers:

Law Incorporation [45]3 years ago

7 0

Answer:

2x=1

Step-by-step explanation:

svetlana [45]3 years ago

4 0

Answer:

Step-by-step explanation:

Twice a number x simply means '2x. ' Twice means 2 and a number x represents the variable. In this case, they mean multiplication because twice of something means two times. And, this gives us two times x, or '2x.

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2 years ago

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What would y be if 8x-6y=36

kondor19780726 [428]

Answer:

$\quad y=-\frac{2\left(-2x+9\right)}{3}$

Step-by-step explanation:

1. Subtract 8x from both sides:

8x-6y-8x=36-8x

2. Simplify:

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3 years ago

Number 11 and 12. Solve for x and y. Please and thank you.

vlada-n [284]

Answer:

11. x=18, y=5

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Step-by-step explanation:

Use the angle property https://www.proprofs.com/quiz-school/story.php?title=angle-properties-parallel-lines (REFER TO THIS LINK)

4 0

1 year ago

Solve for y in terms of x

Alika [10]

Answer:

(a) 3 - 2x - 2x² (b) -21

Step-by-step explanation:

given, y +2x² = 3 -2x

make y the subject:

y = 3 - 2x - 2x²

if y = f(x)

then

f(x) = 3 - 2x - 2x²

(b)<u> to find f(3) we need to replace x with 3:</u>

<u />

3 - 2(3) - 2*(3)²

-21

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2 years ago