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kenny6666 [7]
3 years ago
11

The computer teacher at a middle school spent $12,950 to buy a storage cart and 25 laptop computers. The total purchase is repre

sented by this equation, where c stands for the cost of each laptop computer purchased.
25c+450=12,950

What was the cost of each laptop computer that the teacher purchased?
Mathematics
1 answer:
ololo11 [35]3 years ago
7 0

Answer:

500

Step-by-step explanation:

Subtract 450 from both sides 25c=12500 so c=500

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(K3+2k2-82k-28)/(k+10)
Ne4ueva [31]

So for this, we will be using synthetic division. To set it up, have the equation so that the divisor is -10 (since that is the solution of k + 10 = 0) and the dividend are the coefficients. Our equation will look as such:

<em>(Note that synthetic division can only be used when the divisor is a 1st degree binomial)</em>

  • -10 | 1 + 2 - 82 - 28
  • ---------------------------

Now firstly, drop the 1:

  • -10 | 1 + 2 - 82 - 28
  •       ↓
  • -------------------------
  •        1

Next, you are going to multiply -10 and 1, and then combine the product with 2.

  • -10 | 1 + 2 - 82 - 28
  •       ↓ - 10
  • -------------------------
  •        1 - 8

Next, multiply -10 and -8, then combine the product with -82:

  • -10 | 1 + 2 - 82 - 28
  •       ↓ -10 + 80
  • -------------------------
  •        1 - 8 - 2

Next, multiply -10 and -2, then combine the product with -28:

  • -10 | 1 + 2 - 82 - 28
  •       ↓ -10 + 80 + 20
  • -------------------------
  •        1 - 8 - 2 - 8

Now, since we know that the degree of the dividend is 3, this means that the degree of the quotient is 2. Using this, the first 3 terms are k^2, k, and the constant, or in this case k² - 8k - 2. Now what about the last coefficient -8? Well this is our remainder, and will be written as -8/(k + 10).

<u>Putting it together, the quotient is k^2-8k-2-\frac{8}{k+10}</u>

8 0
3 years ago
PLEASE HURRY I HAVE A LITTLE BIT OF TIME TO TURN IT IN
Elena L [17]

Answer:

4.25-5 minutes

Step-by-step explanation:

Its shown in the graph and table that the speed was 0 between those times.

7 0
3 years ago
Asap
adoni [48]
Lower Quartile-21
Upper Quartile-52
Interquartile Range- 31

Hope this helps !!
3 0
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Marianna [84]
Here, x-coordinate = 2
y - coordinate = 3

It would be: 2x + 3y ≥ 6

In short, Your Answer would be Option C

Hope this helps!
5 0
3 years ago
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If P is the midpoint of ST, SP=x+4and ST=4x determine the length of ST
mario62 [17]
The answer for ST is 8

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