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notka56 [123]
3 years ago
13

1.

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
7 0
The first one simplifies to 81a^4b
Sorry, I cannot solve the second one without placement of parentheses on the exponents
Georgia [21]3 years ago
4 0
None of the answers make any sense to me I wrote it on paper I used a calculator and got answers completely different from the answer options given sorry I cannot help, but this is a part of my math that is not the best.
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joan works for 6 hours each weekday and 8 hours total on the weekends. she earns $6 an hour on weekdays and $9 an hour on weeken
Taya2010 [7]
Are you have to do now that I have some multiplication is 36+72 that will give you your answer
8 0
4 years ago
Determine the vertex of the quadratic function.
const2013 [10]

Answer:

B

Step-by-step explanation:

The vertex is the turning point of the quadratic function.

In this case it lies on the x- axis at (2, 0 ) → B

6 0
3 years ago
Read 2 more answers
Can someone help me plssssss
Akimi4 [234]

Answer:

16.5

Step-by-step explanation:

5 0
3 years ago
Will pick brainlyest help me plz 15 pts
leonid [27]
1.50c + 2.50a = 1100
c + a = 500

multiply the second equation by -1.50
                    
                      1.50c + 2.50a = 1100
-1.50c - 1.50a = -7.50


8 0
4 years ago
Amber, Bernie, and Carlos are working on a problem together. Their goal is to correctly apply the difference of cubes formula to
NeX [460]

Answer: Carlos is correct

Step-by-step explanation:

2x^5-250x^2

The first step is to factorize out 2x^2

2x^2(x^3-125)

This can be rewritten as

2x^2(x^3-5^3),

Recall, difference if cube (a^3-b^3)

= (a-b)(a^2 +ab + b^2)

from our equation,

a= x

b = 5.

So the difference of cubes will be

2x^2[(x-5) (x^2 + 5x + 5^2)]

=2x^2[(x-5) (x^2 + 5x + 25)]

Carlos followed these steps. So he is correct. Carlos is correct because he correctly factored the GCF, identified a and b, and applied the difference of cubes method.

Amber is incorrect because 125 is equal to b3, not b.

Bernie is incorrect because x2 is not the GCF of the polynomial. The GCF is 2x^2.

6 0
3 years ago
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