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Phantasy [73]
3 years ago
9

Luke is building a storage building and needs to have a slab of concrete poured. He knows the contractor charges an initial cost

of $95 plus an additional $3.50 per square foot of concrete. Which function can be used to determine the cost, in dollars, to pour a concrete slab with an area of x square feet?
Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0

Answer:

95+3.50x=total price to pour the concrete.

Step-by-step explanation:

95 represents the initial amount the contractor charges. 3.50x represents $3.50 times the amount of square feet bieng poured. You add these two terms together to get your total amount owed to the contractor.

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Find the quotient of `(2i(4+5i)(4-5i))/(4+i)`, and express it in the simplest form.
DIA [1.3K]

Answer:

(328i + 82)  /  17

Step-by-step explanation:

`(2i(4+5i)(4-5i))/(4+i)

= (2i(16 - 25i^2)) / (4 + i)

= (2i( 16 + 25) )) / (4 + 1)        [Note:- i^2 = -1]

=  82i / (4 + i)

= 82i(4 - i) / (4 + i)(4 - 1)

= 328i  + 82 /   (16 - i^2)

= (328i + 82)  /  17

5 0
3 years ago
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4 0
3 years ago
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xenn [34]
The first one is the answer because

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3 years ago
(33-17.3)-(121.4+3) what is it
timurjin [86]

(33-17.3)-(121.4+3)

The answer is -108.7

Hope this helps!

8 0
2 years ago
A book that normally sells for $25.50 is on sale at 15% off. What is the discount amount, and what is the books sales price
viktelen [127]

Answer:

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Step-by-step explanation:

If it's 15% off, the price is 85% of the original price---25.50*85\% = 21.675 \approx 21.68, and this gives a difference from the original price and the new price of 25.50-21.68=3.82.

3 0
3 years ago
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