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3 years ago

Which expression is equivalent to this polynomial expression?

1 answer:

5 0

Answer:

(D) 8x^2y^2 - 15x^2y + xy^2 + 5y

Explanation:

Step one : open brackets
Step two: solve

#note
If there is a minus sign outside the bracket, all terms inside are multiplied by -1 when the bracket is opened.

Answered by GAUTHMATH

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Which expression is not equivalent to (x + 4)(x – 3)?

Digiron [165]

Answer:

A) x² + 7x - 12 is NOT equivalent to the expression.

Step-by-step explanation:

1) expand by distributing terms.

${x }^{2} - 3x + 4(x - 3)$

2) Expand by distributing terms.

${x}^{2} - 3x + 4x - 12$

3) Collect like terms.

${x}^{2} + ( - 3x + 4x) - 12$

4) Simplify.

${x}^{2} + x - 12$

The second equation are equivalent to the equation. but the first equation is not equivalent to the main equation.

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3 years ago

PLEASE HELP

kaheart [24]

Answer:

use pressure =Force /area

Step-by-step explanation:

12000N/1.08

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3 years ago

Members of the drama club sold T shirts for their upcoming musical. Of the 80 T shirts sold, 55 % were size medium. How many of

scZoUnD [109]

Answer: 44 shirts were a size medium

To find this answer...
We know that 80 T shirts are equal to 100% of the the T shirts

To find 55% of 80, we could cross multiply

80 ?
------ -----
100% 55%

1. We multiple 80 by 55 to get 4,400
2. We divide 4,400 by 100 to get 44
3. 44 is 55% of 80

Hope this helps!

6 0

3 years ago

X2 + 4 = 7x - 3 Quadratic formula

daser333 [38]

Answer:

Step-by-step explanation:

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4 years ago

A man stands on a balcony 140 feet up and sees a bus stop at a 75 degree angle How far is the bus stop to the man in nearest fee

lakkis [162]

D = 140 sec Θ models the distance from the man
to any object given his angle of sight theta.
after working it out you will find out that the awnser is 541 feet

4 0

3 years ago

Read 2 more answers