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Sveta_85 [38]
3 years ago
6

Anita bought these supplies for school 5 packs of pencils that cost 0.79 each 8 pens for 1.19 each what was the total cost of th

e pencils and pens plus a 7% sales tax
Mathematics
1 answer:
Snezhnost [94]3 years ago
5 0

Answer:

14.38

Step-by-step explanation:

1. multiply the 5 packs of pencils times 0.79 each (5x0.79 = 3.95)

2. multiply the 8 packs of pens times 1.19 each (8x1.19=9.52)

3. add the total of pens and pencils together (3.95+9.52=13.44)

4. multiply 13.44 times 7% sales tax (13.44x.07=0.94)

5. add the total plus the sales tax (13.44+0.94=14.38

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Margaret [11]

Answer:

Part 40) y=-2x+9

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Step-by-step explanation:

Remember that

If two lines are parallel, then their slopes are the same

Part 40) Write an equation of the line that passes through the given point

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we have

Point (4,1)

Given line y=-2x+7

step 1

Find the slope of the given line

The given line is a equation of the line in slope intercept form

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step 2

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substitute in the linear equation

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b=1+8

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step 3

Find equation of the line that passes through the given point and is parallel to the given line

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substitute

The equation of the line is

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Part 41) Write an equation of the line that passes through the given point

and is parallel to the given line

we have

Point (0,6)

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step 1

Find the slope of the given line

The given line is a equation of the line in slope intercept form

y=mx+b

where

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b is the y-intercept

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Find the y-intercept b

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step 3

Find equation of the line that passes through the given point and is parallel to the given line

we have

m=5

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substitute in the linear equation

y=5x+6

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and is parallel to the given line

we have

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step 1

Find the slope of the given line

The given line is a equation of the line in slope intercept form

y=mx+b

where

m is the slope

b is the y-intercept

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