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Stella [2.4K]
3 years ago
9

( 2 x - 3 ) ( 7 x + 4) polynomials

Mathematics
1 answer:
Taya2010 [7]3 years ago
6 0

Answer:

14x-12

Step-by-step explanation:

Simplify (2x-3)(7x+4).

Expand the brackets. Remember brackets mean to multiply.

We multiply the 2x and the 7x to get 14x and we multiply the -3 by 4 to get -12 as shown below;

(2x-3)(7x+4)

14x-12

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(A) The equation represents the number of miles he ran during the second week is (2m + 4) miles.

(B) The total number of miles that Lucas ran during the first two weeks is m + (2m + 4) ≤ 4m ⇒ m ≥ 4

<h3>What is an equation?</h3>

An equation is written in the form of variables and constants separated by the operation of multiplication and division,

An equation states that terms in different forms on both sides of the equality sign are equal.

Multiplication and division do not separate the terms of an equation.

Given, Lucas is keeping track of the total number of miles he runs each week.

In the first week, he ran m miles, and in the second week, he ran 4 miles more than twice the miles he ran in the first week.

∴ The equation in terms of m represents the number of miles he ran during the second week is (2m + 4) miles.

Also given, The total number of miles that Lucas ran during the first two weeks is equal to or eight less than four times the number of miles he ran during the first week which is,

m + (2m + 4) ≤ 4m.

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learn more about inequalities here :

brainly.com/question/28823603

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4 0
1 year ago
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shusha [124]
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4 years ago
There are 24 children in a class, 16 brown-haired and 8 black-haired. Two students are randomly selected for a stage performance
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The answer is 7/69.

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3 0
3 years ago
Read 2 more answers
Question:
allochka39001 [22]

Answer:

It is A

Step-by-step explanation:

I cant explain step by step I am in a rush but it is A

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