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denpristay [2]
3 years ago
6

PLEASE HELP WITH THIS EASY QUESTION!! EXPLANATION NEEDED!!

Mathematics
1 answer:
Pie3 years ago
5 0

Answer:

100

Step-by-step explanation:

(b/2)^2

b= -20

(-20/2)^2

(-10)^2

100

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Answer asap
balandron [24]

Answer:

A

Step-by-step explanation:

went up a positive 4 points:)

7 0
3 years ago
The tables below show running hours of three printers that produce greeting cards and the total number of greeting cards produce
AysviL [449]

<u>ANSWER</u>

The correct answer is A


<u>EXPLANATION</u>



To find the ink cost of each card coming from printer  B, we need to find the total cost from printer B and the total number of cards printed by Printer B.


The total hours of all the three printers over the three weeks

=40+45+55+50+50+30+45+40+60=415


The total hours of printer B only

=50+50+30=130


Total number of cards produced over the three weeks


=7950+7800+9600=25350


We can use ratio and proportion to determine the total cards produce by printer B only.


415:25350


130:x


If less, more divides


x=\frac{130\times 25350}{415} \approx7941


Total cost of Printer B in 130 hours

$=130 \times 15=1950


The ink cost

=\frac{1950}{7941}


=0.2456


$\approx 0.30

to 2 decimal places

8 0
4 years ago
Read 2 more answers
Find the value of x
devlian [24]
X=20
180=7x+x+20
-20.         -20
180=7x+x
180=8x
divide by 8
x=20

5 0
3 years ago
What is the range of the function graphed below?
vovangra [49]

The answer is A. -∞ < y < 2

7 0
4 years ago
jacquie hired a contractor to install a tile floor in her laundry room which measures 10.5 feet by 8 feet. the contractor inform
Agata [3.3K]
There are 3 types of cost for this problem: the cost for the area covered by the tiles, cost for hourly labor and the sales tax.

Cost of Area = (10.5 ft)(8 ft)($4.75) = $399
Cost of Hourly Labor = ($22/h)(7.5 h) = $165
Sum = $399 + $165 = $564
Cost of tax = $564(0.08) = $45.12

Total Cost = $564 + $45.12 = <em>$609.12</em>

So, the amount of the bill is incorrect.
5 0
3 years ago
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