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TiliK225 [7]
3 years ago
5

Select the correct answer. Simplify the expression below. 4x(3x − 7) − 19x2 A. -7x2 − 7 B. -35x2 C. -7x2 − 28x D. -31x2 − 28x

Mathematics
1 answer:
morpeh [17]3 years ago
5 0

Answer:

C. -7x^2-28x

Step-by-step explanation:

The given expression is 4x(3x-7)-19x^2

We apply the distributive property to expand the parenthesis

12x^2-28x-19x^2

Regroup similar terms to get:

12x^2-19x^2-28x

Combine the similar terms to obtain:

-7x^2-28x

The correct option is C.

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if I'm not mistaking (please correct if I'm wrong) but I think he would have 16 left.

Step-by-step explanation:

you have to divide one-fifth of 30 which would get you 6, then divide one-third of 24 ( because 30 - 6 is 24) then total both fractions to get 14. then finally subtract 14 from 30 to get 16.

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Sketch the graph: y=1/3x+2
Cerrena [4.2K]

The slope of the line is 1/3and the y-intercept is at the (0, 2) as shown in the graph below.

<h3>Graph of a linear function</h3>

A linear function is a function that has a leading degree of 1. The standard equation for a linear function is expressed as:

y = mx + b

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Learn more on equation of a line here: brainly.com/question/13763238

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