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kicyunya [14]
3 years ago
9

What should be add to 7 3/5 to get 18

Mathematics
2 answers:
g100num [7]3 years ago
8 0

Answer:

10\frac{2}{5}

Step-by-step explanation:

7\frac{3}{5}  +  x  = 18\\

transformation : 7\frac{3}{5} = \frac{(5*7) + 3}{5}  = \frac{38}{5}

\frac{38}{5}  +  x = 18\\\\x = 18 - \frac{38}{5} = \frac{(5*18) - 38}{5} = \frac{52}{5}

\frac{52}{5} = 10\frac{2}{5}

Arte-miy333 [17]3 years ago
7 0

Answer:

10\frac{2}{5}

Step-by-step explanation:

What should be add to 7\frac{3}{5}  to get 18 ?

18-7\frac{3}{5}=\\ \\=17\frac{5}{5}-7\frac{3}{5}\\\\\\=(17-7)+(\frac{5}{5}- \frac{3}{5})\\ \\=10+\frac{2}{5}\\ \\=10\frac{2}{5}

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Nataly_w [17]

so the company has an overhead of $600, usually that involves premises leasing and industrial equipment for the manufacturing of the product, that's cost.  The cost to make each item is 50 cents, so if the company produces "x" items, their cost is 0.5x total.

so our cost equation C(x) = 0.5x + 600   <---- items' cost plus overhead.

the company sells the product for 85 cents, so if they sell "x" items, their total revenue or income will be 0.85x.

so our revenue equation is simply R(x) = 0.85x.

as you already know, the break-even point is when.... well, you break even, no losses but no gains either, how much you take in is the same amount that you shelled out, namely R(x) = C(x).

\bf \stackrel{R(x)}{0.85x}=\stackrel{C(x)}{0.5x+600}\implies 0.35x=600\implies x=\cfrac{600}{0.35} \\\\\\ x\approx 1714.285714285714\implies \stackrel{\textit{rounded up}}{x=1714}

4 0
3 years ago
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wolverine [178]
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A bike was on sale for $3600 Sam makes an offer equal to 3/4 of the price how much does Sam offer
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3 0
3 years ago
Challenger Elementary School has 8 0 0 800800 students. Every Wednesday, 1 2 % 12%12, percent of the students stay after school
Juliette [100K]
You need to calculate 12% of 800.

To find a percent of a number, multiply the percent by the number.
Change the percent into a decimal by dividing the percent by 100 (move the decimal point of the percent two places to the left.)

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3 years ago
A bike wheel has a radius of 12 inches. How far will someone travel in 500 rotations? About how far is this in feet? Round to th
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Answer:

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8 0
3 years ago
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