2 years ago

A AND B STAND FOR DIFFERENT DIGITS. FIND THE VALUE OF BOTH A AND B

Mathematics

1 answer:

snow_lady [41]2 years ago

8 0

Do u still have this homework or is it old

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Mr smith owns a bike store and typically marks up the bikes 20% over the price that the bikes cost him. The bikes cost him 69.95

ICE Princess25 [194]

Answer: $83.94

Step-by-step explanation:

20% = 0.2

69.95 + 69.95(0.2) = 69.95(1 + 0.2) = 69.95(1.2) = 83.94

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2 years ago

Can someone tell me if this is right thanks

andreyandreev [35.5K]

bearing in mind that an absolute value expression is in effect a piece-wise expression, because it has a ± version.

$\bf 3|x|+7=28\implies 3|x|=21\implies |x|=\cfrac{21}{3}\implies |x|=7\implies \begin{cases} +(x)=7\\ -(x)=7 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ +(x)=7\implies \boxed{x=7}~\hfill -x=7\implies \boxed{x=-7}$

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2 years ago

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What is the MEAN of this data set? (3, 6, 3)

dlinn [17]

Answer:

mean=sum of data/no of data

=12/3

Step-by-step explanation:

therefore mean=4

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2 years ago

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5x + 3 = 7x – 1. Find x

nasty-shy [4]

Answer:

x = 2

Step-by-step explanation:

5x + 3 = 7x - 1

Subtract 3 to both sides

5x = 7x - 4

Subtract 7x to both sides

-2x = -4

Divide by -2 to both sides.

x = 2

Hope this helps and pls do mark me brainliest if you can:)

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2 years ago

{0, 2, -2} number line

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I drew a picture for you. It's below ^.^

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