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forsale [732]
3 years ago
6

Write an expression using fractions to show how to determine the amount that a person will pay 20% of $12.00 for a tip

Mathematics
1 answer:
jonny [76]3 years ago
4 0
20/100 = x/12

The 20/100 in the expression represents the 20%. The x in this scenario is the unknown amount in which the person will tip. The /12 is the cost of the original price. So, in order to find the value of x, you would need to cross multiply. 
x = $2.40
The total cost would be $2.40 + $12.00 = $14.40
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Kaylis [27]

Answer: 108$

Step-by-step explanation:

5 0
3 years ago
the rectangle shown has an area of 105 square inches. the width is x+ 16 inches and the length is x. find the dimensions of the
Brums [2.3K]

Answer:

Length = 5

Width = 21

Step-by-step explanation:

(x)(x + 16) = 105

x^2 + 16x = 105

x^2 + 16x - 105 = 0

(x - 5) x ( x + 21) = 0

x - 10 = 0

x = 5

x + 21 = 0

x = -21

Now that we have the zeroes.

We have to find the most viable one to put in.

Using -21 would not make sense, so we will use 5.

Plug it in:

x = 5

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3 years ago
Math please help i am stuck explain
san4es73 [151]

9514 1404 393

Answer:

  9/16 inch

Step-by-step explanation:

A = 3/4 +1/16

B = 1/4

x = A - B

x = (3/4 +1/16) - (1/4) . . . an equation for the difference

x = (12/16 + 1/16) - 4/16 = (13 -4)/16

x = 9/16

The difference between A and B on the ruler is 9/16 inch.

8 0
3 years ago
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sattari [20]

Answer:

Step-by-step explanation:

Where's the question?

But if the question is to represent the equation on the graph then

Just fix in any random value for x,say x=3...then insert into into your equation y=3/2x-1 y=3/2(3)-1 y will be 3.5 when x is 3 so you get a coordinate like(3,3.5) repeat that for about three more values then plot a line

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Write this equation in standard form y=3x+10
Roman55 [17]

Answer:

to standard form

3x-y = -10

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