3 years ago

Which sentence explains the correct first step in the solution of this equation?

Mathematics

2 answers:

ladessa [460]3 years ago

7 0

Answer:

C. Apply the distributive property to get 4x-12=9.

Step-by-step explanation:

To get x out of the parentheses, you have to use the distributive property by multiplying both x and -3.

Hope this helps you :)

xxTIMURxx [149]3 years ago

5 0

Answer is C 4x-12=9 i think

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The elevation E, in meters, above sea level at which the boiling point of a certain liquid is t degrees Celsius is given by the

Anna007 [38]

Answer:

$E(119.5)= 730m$

Step-by-step explanation:

Given

$E(t)= 1200(120-t)+520(120-t)^2$

Required

Determine E(119.5)

$E(t)= 1200(120-t)+520(120-t)^2$

Simply substitute 119.5 for t

$E(119.5)= 1200(120-119.5)+520(120-119.5)^2$

Evaluate the expressions in bracket

$E(119.5)= 1200(0.5)+520(0.5)^2$

Solve 0.5²

$E(119.5)= 1200 * 0.5+520*0.25$

$E(119.5)= 600+130$

$E(119.5)= 730$

Hence;

$E(119.5)= 730m$

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3 years ago

romanna [79]

I don’t get this question

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2 years ago

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kirill115 [55]

Answer:

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1 31/60

Step-by-step explanation:

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3 years ago

Given a triangle with angles of 23°, 90°, 67°.

marishachu [46]

The answer is that it's a right triangle. One angle is 90°

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Anon25 [30]

Answer:

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x | y

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