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Julli [10]
2 years ago
10

FREE POINTS!

Mathematics
2 answers:
Lelu [443]2 years ago
6 0

Answer:

$87

Step-by-step explanation:

The friends money shouldn't be involved.

ryzh [129]2 years ago
4 0

Answer:

Sandy had $87 before buying the pie.

Step-by-step explanation:

x = $80 (Current amount of money)

y = $7 (How much she spent on pie)

z = How much money she had before buying the pie.

x + y = z

$80 + $7 = z

$80 + $7 = $87

Sandy had $87 before buying the pie.

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Sharlene bought 4 CDs at the music store. Each cost 14.95. She was charged 5% sales tax on her purchase. What was the total cost
tresset_1 [31]
The total cost is $15.70
7 0
3 years ago
What is the answer to the equation 9-2x=35
zepelin [54]
First you subtract 9 from both sides, so you get -2x=26
Then you divide both sides by -2 which is x=-13
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5 0
3 years ago
Read 2 more answers
Michael is buying a pair of jeans that regularly cost $40. They are on sale for 20% off. If the tax rate is 8%, what is the sale
Anna35 [415]

Answer      

Find out the  what is the sale price of the jeans including tax .

To prove

Let us assume that the sale price of the jeans including tax be x .

As given

Michael is buying a pair of jeans that regularly cost $40.

They are on sale for 20% off.

If the tax rate is 8% .

20% is written in the decimal form

= \frac{20}{100}

= 0.20

8% is written in the decimal form

= \frac{8}{100}

= 0.08

Than the equation becomes

x = 40 - 40 × 0.20 + 40 × 0.08

x = 40 - 8 + 3.2

x = 43.2 - 8

x = $35.2

Therefore the sale price of the jeans including tax be $ 35.2 .



4 0
3 years ago
Give an example of an equation with an infinite number of solutions. Then make one change to the equation so that it has no solu
mrs_skeptik [129]
Two equations with infinite solutions would look the exact same. Example:
y=mx+b
y=mx+b
Example 2
y=2x+5
y=2x+5
For an equation with no solution they would have the same slope but different y intercepts. An equation with same slope and same y intercepts would have infinite solutions. 
5 0
3 years ago
5x - 54 + 3x + 16 = 180<br><br> 3x +16 = 180<br><br> 5x - 54 = 3x + 16
Sloan [31]

Answer:

the answer sdhould be the third one

3 0
2 years ago
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