3 years ago

I NEED HELPP WITH ALL OF THESE PLZ 911 CALLING PEOPLE TO HELP (awser with number please)

Mathematics

1 answer:

andriy [413]3 years ago

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A rectangle has a height of 7 and a width of a^4+5a^2+4a .

boyakko [2]

Answer:

7a^4 +35a^2 +28a

Step-by-step explanation:

Area is the product of height and width:

area = height × width

= 7 × (a^4 +5a^2 +4a)

area = 7a^4 +35a^2 +28a . . . . . . use the distributive property

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2 years ago

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(a-b) ( a+b) simplify

BlackZzzverrR [31]

Answer:

$a^2 - b^2$

Step-by-step explanation:

1. $(a)(a)+(a)(b)+(-b)(a)+(-b)(b)$

2. $a^2 + ab - ab - b^2$

3. $a^2 - b^2$

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2 years ago

Brainiest to who ever answers first

earnstyle [38]

Answer:

18/24 for the first one

Step-by-step explanation:

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2 years ago

If-2a > 6, then<br> -a>3<br> -a<3<br> -a<-3<br> -a>-3

chubhunter [2.5K]

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a < - 3

Step-by-step explanation:

Given

- 2a > 6

Divide both sides by - 2, reversing the symbol as a result of dividing by a negative quantity, thus

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2 years ago

Concider the graph of the polynomial function p(x)=(x-1)(x+2)(x+5)

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