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Oliga [24]
3 years ago
12

If C = 2x^2+5x-1 and D = x-1 find an expression that equals C-3D in standard form.

Mathematics
1 answer:
sweet [91]3 years ago
8 0

Answer:

2x^2+2x+2 or 2(x^2+x+1)

Step-by-step explanation:

C = 2x^2+5x-1

D = x-1

C-3D = (2x^2+5x-1) - 3 * (x-1) =2x^2+5x-1-3x+3 =2x^2+2x+2 = 2(x^2+x+1)

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Kimora’s cell phone company charges her $35 a month for phone service plus $.05 for each text message sent. How many text messag
professor190 [17]

Given that Kimora’s cell phone company charges her $35 a month for phone service plus $.05 for each text message sent.

Kimora's cell phone bill for one month is $52.

We need to determine the number of text messages Kimora sent for one month.

Also, we need to write and equation and solve it.

<u>The equation:</u>

Let x denote the number of text messages Kimora sent for one month.

Thus, the equation is given by

35+0.05x=52

Therefore, the equation for the number of text messages Kimora sent for one month is 35+0.05x=52

<u>Solving the equation:</u>

We need to solve the equation 35+0.05x=52

Subtracting both sides of the equation by 35, we get;

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Dividing both sides of the equation by 0.05, we get;

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Therefore, the number of messages sent is 340.

3 0
3 years ago
Which is the rationalized form of the expression. A, B , C, or D?
grin007 [14]

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You get answer C.

3 0
2 years ago
Suppose that the ages of cars driven by employees at a company are normally distributed with a mean of 8 years and a standard de
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6 0
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