3 years ago

Which expression is equivalent to 2x-2(20-3x)+12

Mathematics

1 answer:

Darina [25.2K]3 years ago

6 0

Answer:

-7x-48

Step-by-step explanation:

2x-3(20-3x)+12

2x-60-9x+12 (distribute)

-7x-48

hope this helps

brainliest?

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Answer:

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Step-by-step explanation:

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3 years ago

The greatest common factor of 18 and 42 is: <br> 02<br> 6<br> 09<br> 18

Alex Ar [27]

Answer:

Step-by-step explanation:

We can obtain the greatest common factor by listing the factors of the 2 numbers, that is

Factors of 18 are 1, 2, 3, 6, 9, 18

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3 years ago

Jason runs 440 yards in 75 seconds.at this rate,how many minutes does it take him to run a mile

Kazeer [188]

Answer:

5 minutes

Step-by-step explanation:

Do a proportion

440/75= 1760/x

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4 0

3 years ago

Prove that . 1+cot2 theta = cosec2theta

igor_vitrenko [27]

Answer:

see explanation

Step-by-step explanation:

Using the Pythagorean identity

sin²θ + cos²θ = 1 ( divide terms by sin²θ )

$\frac{sin^20}{sin^20}$ + $\frac{cos^20}{sin^20}$ = $\frac{1}{sin^20}$ , that is

1 + cot²θ = cosec²θ ← as required

6 0

2 years ago