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2 years ago

2) The subtotal of your computer purchase was $398.50. If the sales tax rate is

Mathematics

1 answer:

Vanyuwa [196]2 years ago

7 0

Answer:

54.97

Step-by-step explanation:

You would take the original number and divide by the second number (tax percentage) to get how much you would pay in tax for the computer

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PLSS HELP ME WITH THIS! 15 POINTS!

irina [24]

Answer:

2w - 13

Step-by-step explanation:

here we just simplify the expression,

3w - 4 - w - 9

becomes:

2w - 13

5 0

2 years ago

Read 2 more answers

What if X if [ -1 -2 4 8] +X= [-5 -1 2 1]?

Arada [10]

Answer:

[-4 1 -2 - 7]

Step-by-step explanation:

[-1 - 2 4 8] + X = [-5 - 1 2 1]

X= [-5 - 1 2 1]- [-1 - 2 4 8]

X=[-5-(-1) - 1-(-2) 2-4 1-8]

X=[-4 1 - 2 - 7]

3 0

3 years ago

You are using the equation 4(p – 7) = 44 to determine how many pictures can be saved at one time to the photo stream on your cel

e-lub [12.9K]

Answer:

4p-28=44, 4p=44+28, p=72÷4, p=18

5 0

3 years ago

Suppose it costs $48 to roll a pair of dice. You get paid $7 times the sum of the numbers that appear on the dice. Is it a fai

barxatty [35]

Answer:

Yes

Step-by-step explanation:

It is profitible as long as your roll is above 7 which is rather easy to get

6 0

3 years ago

This Christmas, your brother Jack will be 2 years from being twice as old as your sister Jen. The sum of Jacks age and three tim

zhannawk [14.2K]

Age of Jen is 13.6 years old

<em><u>Solution:</u></em>

Let "x" be the age of Jack and "y" be the age of Jen

Given that This Christmas, your brother Jack will be 2 years from being twice as old as your sister Jen

The above sentence can be written mathematically as:

Jack age + 2 = twice of age of Jen

$x + 2 = 2y\\\\x = 2y - 2---- eqn 1$

The sum of Jacks age and three times Jen's age is 66

Jack age + three times Jen age = 66

x + 3y = 66 ---- eqn 2

Substitute eqn 1 in eqn 2

2y - 2 + 3y = 66

5y - 2 = 66

5y = 68

Thus age of Jen is 13.6 years old

5 0

3 years ago