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asambeis [7]
3 years ago
10

Which expression is equivalent to -12(3x-3/4) ?

Mathematics
2 answers:
earnstyle [38]3 years ago
6 0

Answer: This expression is equivalent to -36x+9.

Step-by-step explanation: We have to multiply through out by -12 in order to remove the brackets and then write the answer.

=12(3x-3/4)

= -36x+9

zalisa [80]3 years ago
5 0

Answer:

An equivalent expression is

-36(x-1/4)

Step-by-step explanation:

Step one

This problem bothers factorization of linear expression

Step two

Given the expression

-12(3x-3/4)

Step three

We can actually factor out some figures from the terms in the bracket

Say we factor out 3 we have

-12*3(x-1/4)

-36(x-1/4)

Hence the equivalent expression to

-12(3x-3/4)

is - 36(x-1/4)

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The line passes through (9,8) and is perpendicular to x-2y=-16
pickupchik [31]

The equation of line perpendicular to x-2y=-16 passing through (9,8) is: y=-2x+26

Step-by-step explanation:

Given

x-2y=-16\\Adding\ 2y\ on\ both\ sides\\x=2y-16\\Adding\ 16\ on\ both\ sides\\x+16=2y-16+16\\x+16=2y\\2y=x+16\\Dividing\ both\ sides\ by\ 2\\\frac{2y}{2}=\frac{x+16}{2}\\y=\frac{x}{2}+\frac{16}{2}\\y=\frac{1}{2}x+8\\

The equation is in slope-intercept form,  the coefficient of x will be the slope of given line. The slope is: 1/2

As the product of slopes of two perpendicular lines is -1.

\frac{1}{2}*m=-1\\m=-1*\frac{2}{1}\\m=-2

Slope intercept form is:

y=mx+b

Putting the value of slope

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To find the value of b, putting (9,8) in the equation

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Putting the values of b and m

y=-2x+26

Hence,

The equation of line perpendicular to x-2y=-16 passing through (9,8) is: y=-2x+26

Keywords: Equation of line, Slope-intercept form

Learn more about equation of line at:

  • brainly.com/question/1993757
  • brainly.com/question/2048256

#LearnwithBrainly

4 0
3 years ago
-74 + 36.2=<br> Step by step
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Step-by-step explanation:

-74+36.2=-37.8

I hope it will help you

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she has 6 x 50 = 300 tiles

300 - 240 = 60 left over

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3 years ago
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