3 years ago

Select the correct answer.

Mathematics

1 answer:

Gemiola [76]3 years ago

7 0

Answer:

ypur answer would be a.

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Find the complete factorization of the expression. 12xy + 28xz A) 4yz(10x) B) 4yz(3x + 7x) C) 4x(3y + 7z) D) 4(3xy + 7yz)

VashaNatasha [74]

Answer:

The correct option is: C) 4x(3y + 7z)

Step-by-step explanation:

Given expression is: $12xy+28xz$

First we need to find the GCF(Greatest common factor) of $12xy$ and $28xz$ and then we will factor out that GCF.

$12xy \Rightarrow 2\times 2\times 3\times x\times y\\ \\ 28xz\Rightarrow 2\times 2\times 7\times x\times z$

We can see that the common factors are: $2,2, x$

So, the GCF will be: $2\times 2\times x= 4x$

Now factoring out $4x$ from the given expression, we will get.....

$12xy+28xz\\ \\ = 4x(\frac{12xy}{4x}+ \frac{28xz}{4x}) \\ \\ =4x(3y+7z)$

So, the complete factorization will be: $4x(3y+7z)$

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3 years ago

If you scale a figure by less than 1 or less than 100%, does the new copy increase or decrease in size? *

nasty-shy [4]

Answer:

Decrease

Step-by-step explanation:

It gets smaller because it is 100% is full size, so less would make it smaller

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2 years ago

What's the area of a circle with a circumference of 10π

Gnesinka [82]

C=10pi
C=2(r)pi so r=5
A=pi(r)^2
so A=pi(5)^2

A=25pi

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3 years ago

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barxatty [35]

Answer:

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bearhunter [10]

Answer:

-(2x+1) ,6x-8x=-2x,+1-2=1

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3 years ago