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3 years ago

6

A computer store bought a program at a cost of $10 and sold it at a selling price of $12. Find the percent markup.

1 answer:

grin007 [14]3 years ago

3 0

Percent mark up the amount of percent gain so (12-10)/10 or <u>20%</u>

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ser-zykov [4K]

Answer: C. 13 meters

Step-by-step explanation:

5^2+12^2=x^2

25+144=x^2

169=x^2

√169=13

13=x

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3 years ago

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What is the mass of a 350 cm cubed sample of pure silicon with a density of 2.336 g/cm cubed?

olganol [36]

D = m
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v

2.336 g/cm^3 = m
----
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(350) 2.336 = m

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3 years ago

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lora16 [44]

Answer:

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Anyone help me. ....

weeeeeb [17]

Answer:

see explanation

Step-by-step explanation:

Using the rules of exponents

All the exponents inside the parenthesis are multiplied by the exponent outside the parenthesis.

Then

$\frac{m^{-7}n^{14} }{m^{-25}n^{40} }$ ÷ $\frac{m^{-21}n^{42} }{m^{-25}n^{40} }$

[ Using the rule $\frac{a^{m} }{a^{n} }$ = $a^{(m-n)}$ ]

= $m^{(-7-14)}$ $n^{(14-(-28)}$ ÷ $m^{(-15-10)}$ $n^{(25-(-15)}$

= $m^{-21}$ $n^{14+28}$ ÷ $m^{-25}$ $n^{25+15}$

= $\frac{m^{-21}n^{42} }{m^{-25}n^{40} }$

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= $m^{(-21+25)}$ n²

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3 years ago

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Galina-37 [17]

Answer:

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please mark my answer brainliest!

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