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storchak [24]
3 years ago
14

Use substitution to solve the linear system of equations.

Mathematics
1 answer:
Ne4ueva [31]3 years ago
6 0

Answer:

Step-by-step explanation: infinitely many solutions (please give brainliest)

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HELP... <br> Find the Product<br> -8b(2-5b)
IrinaVladis [17]

Answer:

-16b+40b^2

Step-by-step explanation:

-8b*2=-16b

(-8b)(-5b)=40b^2

3 0
3 years ago
Read 2 more answers
Determine whether the polynomial below can be factored into perfect squares. If so, factor the polynomial. Otherwise, select tha
kkurt [141]

Answer:

A. =(9x-12)^2

Step-by-step explanation:

We need to determine whether the polynomial 81x^2-216x+144 can be factored into perfect squares. If so, factor the polynomial. Otherwise, select that it cannot be factored into a perfect square.

81x^2-216x+144

=9(9x^2-24x+12)

=9(9x^2-12x-12x+12)

=9(3x(3x-4)-4(3x-4))

=9(3x-4)(3x-4)

=9(3x-4)^2

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

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

=(9x-12)^2

Hence choice A. =(9x-12)^2 is correct.

3 0
3 years ago
Read 2 more answers
Simplify the following 18x^4-9x^2+12x/3x^2
Crank

I think its x^2(18x^2 -9+4x) sorry if I’m wrong

5 0
3 years ago
Which statement about the histogram is true?
Anna007 [38]

Answer:

D

Step-by-step explanation:

7 0
3 years ago
Make the ratios equal. 9:25 = 36:?
satela [25.4K]

The equivalent ratio of 9:25 is 36:100.

Ratio expresses the degree of proportionality between two or more numbers. It expresses the number of times one number is contained in another number.  

In order to make the ratios equal, the relationship that exists between 9 and 36 has to be determined. 36 is a multiple of 9. It is 9 multiplied by 4. So, in order to make the ratios equal, multiply, 25 by 4.

25 x 4 = 100

To learn more about ratios, please check: brainly.com/question/17995727

7 0
3 years ago
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