3 years ago

10 points! My friend needs help.

Mathematics

1 answer:

ioda3 years ago

6 0

76.2cm : 30in is the answer I think

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The correct answer is 37°

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patriot [66]

Answer:

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x×(x+7)+2×(x+7)

x^2+7x+2x +14

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3 years ago

a store is having a sale in which all items are reduced 20%. Including tax, Jennifer pail $21 for a pair of shorts. If the sales

andrey2020 [161]

Answer:

$25.

Step-by-step explanation:

Let x be the original price of shorts.

We have been given that a store is having a sale in which all items are reduced 20%. The sales tax is 5%.

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$\text{ Price of shorts after discount}=x-\frac{20}{100}x$

$\text{ Price of shorts after discount}=x-0.2x$

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Since tax is added after the discount, so the price of shorts after including the tax will be:

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We are told that including tax, Jennifer paid $21 for a pair of shorts. So we can set an equation as:

$0.8x+(\frac{5}{100}\times 0.8x)=21$

Now let us solve for x.

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$0.8x+0.04x=21$

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$\frac{0.84x}{0.84}=\frac{21}{0.84}$

$x=\frac{21}{0.84}$

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Step-by-step explanation:

i need more of the problem though

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4 years ago