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morpeh [17]
3 years ago
14

4x^2+12x+9-2x^2-7x-15

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
5 0
4x^2 + 12x + 9 - 2x^2 - 7x - 15

4x^2 - 2x^2 = 2x^2
12x - 7x = 5x
9 - 15 = -6

2x^2 + 5x - 6
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Each edge of a cube measures 8.9 cm.<br><br> What is the surface area of the cube?
Alina [70]
S.A=(s×s)×6
As a result, the surface area of the cube is 475.26 square cm. Hope it help!
4 0
3 years ago
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SB
miskamm [114]

Answer:

x = 0

Step-by-step explanation:

i) x - 11 + 1 < 15

x - 10 < 15

x < 10 + 15

x < 25

ii) x - 11 + 1 > 15

x - 10 > 15

x > 25

Therefore to compare (i) and (ii)

25 < x < 25

In any case, x = 0

4 0
3 years ago
Can u guys PLEASE do this question.
natali 33 [55]

4.5\% \:  \: of \: 2000

\frac{4.5}{100}  \times 2000

4.5 \times 20 = 90

<h2>so Bryce get 90 dollars extra for his sale and his monthly salary is 5000 dollars. Therefore he get 5090 dollars in the last of the month as salary. </h2>
7 0
3 years ago
Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. She also earns a base salary
Mariulka [41]

Answer: her sales last week was $4300.

Step-by-step explanation:

Let x represent her her sales in a week.

Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. This means that the commission she gets if she makes sales of $x is 0.0825x

She also earns a base salary of $675 per week. The expression for the total earnings for a week in which she made sales of $x would be

0.0825x + 675

if her total earnings for last week were $1,029.75, it means that

0.0825x + 675 = 1029.75

0.0825x = 1029.75 - 675

0.0825x = 1029.75 - 675

0.0825x = 354.75

x = 354.75/0.0825

x = $4300

3 0
3 years ago
Question 5 (Multiple Choice Worth 4 points)
loris [4]
(-2,2) (0,1)
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7 0
3 years ago
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