3 years ago

HELP ASAP PLEASE!!!

Mathematics

2 answers:

Dvinal [7]3 years ago

7 0

Answer:

B- False

Step-by-step explanation:

sergeinik [125]3 years ago

6 0

that is very false bc the units mean alot

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Subtract (x^2+3x-4) -(4x-2x^2-3)

Feliz [49]

Answer:

3 x^2 - x + -1

Step-by-step explanation:

Simplify the following:

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

Factor -1 out of -2 x^2 + 4 x - 3:

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

(-1)^2 = 1:

2 x^2 - 4 x + 3 + x^2 + 3 x - 4

Grouping like terms, 2 x^2 + x^2 + 3 x - 4 x - 4 + 3 = (x^2 + 2 x^2) + (3 x - 4 x) + (-4 + 3):

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

x^2 + 2 x^2 = 3 x^2:

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

3 x - 4 x = -x:

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

3 - 4 = -1:

Answer: 3 x^2 - x + -1

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Liono4ka [1.6K]

Price this per ounce
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A stack of books is 5 feet 1 inch high. How high is it in inches?

zhannawk [14.2K]

Answer:

61 Inches

Step-by-step explanation:

<em>A foot is 12 inches. </em>

1. Multiply 12 by 5.

$12*5=60$

2. Add the extra inch.

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