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Dmitry [639]
3 years ago
9

Which value of a would make the following expression completely factored

Mathematics
2 answers:
solmaris [256]3 years ago
6 0

Answer:

A)

Step-by-step explanation:

We know that the expression (x^2 - a^2) can be written as (x-a)(x+a). So an expression of this type: (x^2 - a^2) wouldn't be completely factored because it could be factorized even more.

So we know that 36 = 6^2, 49= 7^2 and 81 = 9^2. So if we choose any of these options (Option B, C and D) it wouldn't be completely factored.

The correct is the option A, given that if a=12, it wouldn't be a perfect square, so it would be completely factored.

Bogdan [553]3 years ago
6 0

So I just did the problem and im pretty sure the answer is A

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4 4/5 divided by 1 1/2
vesna_86 [32]

Answer:

1⅗

Step-by-step explanation:

=44/5÷11/2

when two fractions are dividing,turn the division sign into multiplication sign and take the reciprocal of one fraction.That is,in one fraction let the numerator become the denominator and the denominator become the numerator

=44/5×2/11

then 11 goes into forty-four. 4

therefore

=4/5×2/1

=8/5

=1⅗

5 0
3 years ago
Read 2 more answers
Sophia manages a landfill. She decides to measure the rate at which trash increases in volume to fill the landfill as the number
goblinko [34]

Answer:

\frac{m^3}{h}, \frac{cm^3}{h},  \frac{km^3}{h}

Step-by-step explanation:

If you look at the objects thrown as garbage, it's a two- or three-dimensional item that takes up space and also has mass and this is a solid waste.

And the landfill that dumps such garbage is also three-dimensional.

Hence, the volume module, if the object inside is a solid, either would be

m^3,cm^4,Km^3

As household numbers rise, landfill space increases.

So,

household\ number = Proportionality\times  landfill\ space

If H represents the number of household keeps,  then it will be a sufficient unit for the purpose of Sophia that is

\frac{m^3}{h}, \frac{cm^3}{h},  \frac{km^3}{h}

7 0
3 years ago
For the basic function f(x)=x, what conclusions can you make about f(x) and f(x)-5? Select all that apply.
babunello [35]

Answer:The ansewers are c and d.

Step-by-step explanation:

The function f(x)=x is really y=x.

7 0
3 years ago
Saturday the low temperature was 56°F and the high temperature was 60° higher what was the high temperature on Saturday
leva [86]
116 degrees. It’s simple.

56 is what the low was, but the high was 60 more.
Therefore,
56+60=116
4 0
3 years ago
Transitive Property AB=CD and CD = 10, then AB =?
gulaghasi [49]

Answer:

10

Step-by-step explanation:

AB = CD = 10, so AB = 10

3 0
2 years ago
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