3 years ago

Look at the expression:42x-56yIs it equivalent to7(6x-8y)?Yes Or No

Mathematics

1 answer:

Katarina [22]3 years ago

8 0

Answer:yes it is

Step-by-step explanation:

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How can I Factor 7 + 14x ??

wariber [46]

Answer: 7(1+2x)

Step-by-step explanation:

7 and 14 can be divided by 7. As a result, you take 7 out and bam!

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3 years ago

Given the trinomial, what is the value of the coefficient 'B' in the factored form?

Zepler [3.9K]

Answer:

B=9 (I'll solve right now, just so you get the answer)

Step-by-step explanation:

$2x^2+14xy-36y^2=2(x+By)(x-2y)$

Expand right side by distributing

$(2x+2By)(x-2y)$

Use the FOIL method to simplify (first, outside, inside, last):

$(a+b)(c+d)=ac+ad+bc+bd$

$(2x*x)+(2x*(-2y))+(2By*x)+(2By*(-2y))\\\\$

Simplify

$2x^2-4xy+2Byx-4By^2$

Re-insert

$2x^2+14xy-36y^2=2x^2-4xy+2Byx-4By^2$

Cancel out $2x^2$

$14xy-36y^2=-4xy+2Byx-4By^2$

Move all terms to one side

$14xy-36y^2+4xy-2Byx+4By^2=0$

Simplify

$18xy-36y^2-2Byx+By^2=0$

Factor out the common term 2

$2(9xy-18y^2-Byx+2By^2)$

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3 years ago

A consumer bought a CD for $18.25 and paid with a $20 bill. How much change was there?

Lerok [7]

$1.75 would be the answer

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3 years ago

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Compare the rates of the following items.

AnnyKZ [126]

Answer:

Step-by-step explanation:

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3 years ago

Is a rise of -7 the same as a fall of 7

iVinArrow [24]

The rise of -7 means that there is 7 less. The fall of 7 would mean that it is also 7 less. So, yes. They are both the same thing.

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3 years ago

Look at the expression:42x-56yIs it equivalent to7(6x-8y)?Yes Or No​

Look at the expression:42x-56yIs it equivalent to7(6x-8y)?Yes Or No