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AveGali [126]
3 years ago
15

You go to the electronics store to buy 3 CDs. Each CD's original cost is $9.99. You have a coupon for 10% off and the sales tax

is 6%. What is your total purchase cost?
Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

$28.77

Step-by-step explanation:

What you do is the coupon for 10% off first which equaled 2.997, but you have to round to $3.00.

You minus 3*9.99 which equals $29.97 and $3.00 to get $26.97.

You then times $29.97 by 6% to get 1.80.

You then add it to $26.97.

You get $28.77.

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Simplify the exponential expression.
Sever21 [200]

Answer:

1

Step-by-step explanation:

Well you could use the exponential identity that: \frac{x^a}{x^b}=x^{a-b}

To determine: \frac{h^3}{h^3}=h^{3-3}

Which means that it's equal to: h^0

and since anything to the power of 0 (except 0) is equal to 1, then the value is 1.

But you can also just see that the numerator and denominator are the same exact value, and since dividing something by it self, results in 1, the answer must be 1, which is kind of a proof as to why h^0 = 1.

3 0
1 year ago
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What does x equals to if 3( x + 7 ) =57
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3 years ago
Antonio has 15 pennies in his pocket. Five eighths of his coins are pennies how many coins are in his pocket
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Antonio has 24 coins in his pocket this is how I found the answer 
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x=120/5
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I really hope this helps
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