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LekaFEV [45]
3 years ago
5

Andy buys a computer that costs $575. The sales tax is 5%. Describe a method he could use to estimate the sales tax. Will the es

timated tax be greater than or less than the actual tax?
Mathematics
1 answer:
gregori [183]3 years ago
8 0
The answer is $26.25
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Two cars got an oil change at the same auto shop. The shop charges customers for each quart of oil plus a flat fee for labor. Th
zvonat [6]

The labor fee is $13.55 and each quart of oil is $2.25

Step-by-step explanation:

Let,

x be the amount of each quart of oil

y be the amount of labor fee

According to given statement;

5x+y=24.80        Eqn 1

7x+y=29.30        Eqn 2

Subtracting Eqn 1 from Eqn 2

(7x+y)-(5x+y)=29.30-24.80\\7x+y-5x-y=4.50\\2x=4.50

Dividing both sides by 2

\frac{2x}{2}=\frac{4.50}{2}\\x=2.25

Putting x=2.25 in Eqn 1

5(2.25)+y=24.80\\11.25+y=24.80\\y=24.80-11.25\\y=13.55

The labor fee is $13.55 and each quart of oil is $2.25

Keywords: linear equation, subtraction

Learn more about subtraction at:

  • brainly.com/question/116715
  • brainly.com/question/11680012

#LearnwithBrainly

6 0
3 years ago
On which number line do the points represent -5 1/2 and +3?
boyakko [2]

Answer:

the negative and positive number line???? what exactly are you asking

Step-by-step explanation:

8 0
3 years ago
The shape of the sign outside Bob's Burger Barn is a regular octagon. How many degrees are in the measure of an interior angle o
DochEvi [55]

Answer:

An octagon has eight interior angles.

Interior angle total sum = (n-2) x 180, where n = number of sides.

Since an octagon has 8 sides, we have:

6 x 180 / 8, which is 135.

The answer is 135.

Let me know if this helps!

7 0
3 years ago
Read 2 more answers
A garden in the shape of an equilateral triangle
Strike441 [17]

Answer:

area is 25\sqrt{3}

Step-by-step explanation:

the hight is 5\sqrt{3}

5\sqrt{3}*10/2=25\sqrt{3}

8 0
3 years ago
6/42 = n/7 N=?<br> I need to find what the numerator is.
PSYCHO15rus [73]
6/42 = n/7
Multiply by 7.
42/42 = n.
n = 1.
numerator = 42.
7 0
3 years ago
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