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LekaFEV [45]
3 years ago
7

Expand the polynomial (x-10)(x-10)

Mathematics
1 answer:
iren [92.7K]3 years ago
8 0

Answer:

(x-10)^2

Step-by-step explanation:

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Which of the following have both 2 and -5 as solutions.
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x_1=2;\ x_2=-5\\\\(x-2)(x-(-5))=(x-2)(x+5)=x^2+5x-2x-10=x^2+3x-10\\\\Answer:a.
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A bride is choosing a dress for her bridesmaids. If there are 4 styles, 7 colors, and 5 fabrics, in how many ways can she select
RUDIKE [14]

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in sixteen ways

Step-by-step explanation:

you would add up 4,7 and 7. that will get you to sixteen!

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Move numbers to the blanks to solve the problem
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18

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4 0
3 years ago
debra buys a new mountain bike for 750 dollars . Sales tax is 9% . how much does Debra actually have to pay ?
Georgia [21]

Answer:

$817.50

Step-by-step explanation:

Hello  Matt7151!

To find the total amount, we will first need to find how much tax.

We can express 9% as the fraction \frac{9}{100}.

\frac{9}{100} × 750 = 67.50

So she's paying $67.50 sales tax.

750.00

  67.50

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 817.50

So Debra's really paying $817.50.

Thus, the answer is \boxed{$817.50}$$\boxed{817.50}$.

5 0
3 years ago
Jack's Lumber Yard receives 8,000 large trees each period that it subsequently processes into rough logs by stripping off the tr
nasty-shy [4]

Answer:

1. $3,960,000

2. $3,840,000

3. Sell the logs.

Step-by-step explanation:

The questions are incomplete:

<em>1. What is the contribution to income from selling the logs for log cabin construction?</em>

<em>2. What is the contribution to income from processing the logs into lumber?</em>

<em>3. Should Jack’s continue to sell the logs or process them further into lumber?</em>

1. The contribution income is the total income generated by the sales of the rough logs. Each one contributes with $495.

Contribution to income (log cabin construction) = $495*8,000 = $3,960,000

2. In this case, we have to calculate what is the profit after processing each board, then multypling by the amount of boards per log and lastly multiplying by the total amoun of logs.

Contribution to income (processed board) = $(0.75-0.15)*800*8000

Contribution to income (processed board) = $0.6*800*8000

Contribution to income (processed board) =  $480*8000 = $3,840,000

3. Jack should continue to sell logs for cabin construction because the profit per log is higher than for the processed board ($495/log versus $480/log).

4 0
2 years ago
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