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3 years ago

15% tip to 100 cents why does this make a unit less factor?

1 answer:

4 0

15% and the corresponding 0.15 is by necessity unit-less; it's just a multiplier. If you run up a $1 bill and wish to tip 15%, multiply $1 by 0.15, obtaining $0.15.
Then the total due would be $1 plus $0.15, or $1.15.

Note that $0.15
-------- = 0.15 is unit-less
$1

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Which expression is equivalent to third- 32^3/5

lara [203]

Answer:

Step-by-step explanation:

(-32)^3/5 =((-32)^1/5)^3 = (-2)^3 = -8. QED

6 0

3 years ago

-50 POINTS- please help

e-lub [12.9K]

Answer:

-13

-10

Step-by-step explanation:

A x = B

To find X

A ^ -1 A x = A ^ -1 B

x = A^ -1 B

x = -3/2 -5/2 2

-1 -2 4

Across times down

-3/2 * 2 + -5/2 *4 = -13

-1 *2 -2 * 4 = -10

The matrix is

-13

-10

7 0

3 years ago

Read 2 more answers

Brownies are now on sale. Each brownie costs $0.20 less than the original price. Right now, if you buy 8 of them it will cost $1

Airida [17]

Answer: The original price of brownie was $2.1 each.

Step-by-step explanation:

since we have given that

Let the original price will be x

Number of brownie purchased = 8

According to question , each brownie costs $0.20 less than the original price.

So, it becomes

$8\times (x-0.20)=\$15.20\\\\8x-1.6=15.20\\\\8x=15.20+1.60\\\\8x=16.8\\\\x=\frac{16.8}{8}\\\\x=\$2.1$

Hence, the original price of brownie was $2.1 each.

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3 years ago

Christine received a $70 gift card for a coffee store. She used it in buying some coffee that cost $7.52 per pound. After buying

Sonbull [250]

Answer:

Step-by-step explanation:

take 70 and subtract the amount left, which is $22.56 divide that by 7.52 and you get your answer of 3

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3 years ago

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Answer:

GJ is perpendicular to IK

Step-by-step explanation:

GJ is perpendicular to IK

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2 years ago