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3 years ago

6

PLEASe HELP ASAP!!!! Christine found a sweater at Nordstrom that was priced at $72.00. She noticed there was a sign that said "A

ll sweaters are 20% off today. How much was the sweater before tax?
a
$57.60

b
$96.40

c
$70.56

d
$56.70

1 answer:

Novosadov [1.4K]3 years ago

6 0

It’s a..!.!.!!.!!.!.!.!!.!.

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Can the exponent in the denominator be subtracted from the exponent in the numerator when the based are different? Explain

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Answer:

No, Sorry.

Step-by-step explanation:

Since the bases are different, you'll have to change them even if they have a exponent or not. If you dunno how to make the denominators the same, just multiply the two by eachother.

Example) 1/2 - 3/4

$\frac{1}{2} - \frac{3}{4}$

Multiply 2 and 4 together, and then multiply the 4 to the one also. Multiply 2 to four and also to the 3.

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The subtract from there.

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3 years ago

All of the expressions that have the same value as LaTeX: 892\div8892 ÷ 8. Group of answer choices LaTeX: 8920\div808920 ÷ 80 La

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Answer:

$(a)$ $8920\div80$

$(e)$ $0.892\div0.008$

Step-by-step explanation:

Given

$892\div8$

Required

Select equivalent expression

$8920\div80$

$894\div10$

$89.2\div0.08$

$8.92\div0.8$

$0.892\div0.008$

Start by solving the given expression (using a calculator)

$892\div8$ $= 111.5$

Then we solve the given options (using a calculator)

$(a)$ $8920\div80$

$8920\div80$ $= 111.5$

$(b)$ $894\div10$

$894\div10$ $= 89.4$

$(c)$ $89.2\div0.08$

$89.2\div0.08$ $= 1115$

$(d)$ $8.92\div0.8$

$8.92\div0.8$ $= 11.15$

$(e)$ $0.892\div0.008$

$0.892\div0.008$ $= 111.5$

The equivalent expressions are (a) and (e)

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3 years ago

Question 5 of 15

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<h3>Isolate y on both equations then equate </h3>

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2 years ago

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