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il63 [147K]
3 years ago
5

Find the selling price

Mathematics
1 answer:
tangare [24]3 years ago
6 0

the selling price would be 60.75

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5c +2d=13<br> 2c + 4d = -6
Margarita [4]

Answer:

combine like terms and u'll have ur answer

Step-by-step explanation:

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3 years ago
F(x) = -7x^2+8x+2 what is the value of the discriminant of f
Murrr4er [49]

Answer:

D = 120,    there are 2 real roots for F(x)

Step-by-step explanatU

using the

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2 years ago
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Expand and simplify 4(2x +7) – 3(x + 5)
Vikentia [17]

Answer:

4\left(2x+7\right)-3\left(x+5\right)=5x+13

Step-by-step explanation:

Given the expression

4\left(2x+7\right)-3\left(x+5\right)

<u>Expand and simplify the expression</u>

4\left(2x+7\right)-3\left(x+5\right)

Expand  4(2x + 7) = 8x + 28                  

4\left(2x+7\right)-3\left(x+5\right)=8x+28-3\left(x+5\right)

Expand  -3(x + 5) = -3x - 15

                                 =8x+28-3x-15

Group like terms

                                  =8x-3x+28-15

Add similar elements:  8x - 3x = 5x

                                   =5x+28-15

Simplify

                                    =5x+13

Therefore, we conclude that:

4\left(2x+7\right)-3\left(x+5\right)=5x+13

6 0
3 years ago
Which pairs make the equation x-9y=12 true
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(12,0), (3, -1) (0,-4/3)

Step-by-step explanation:

To do this problem, you have to plug in the x and y values. For example, the first one would be 12-9(0)=12, and so on.

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The length of a quarter is 0.955 inch. Round the length of a quarter to the nearest tenth of an inch./8925047/32fb89d7?utm_sourc
m_a_m_a [10]
0.2387528472385828522
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