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netineya [11]
3 years ago
10

Find an equation of the line with x-intercept 8 and y-intercept 4

Mathematics
2 answers:
kifflom [539]3 years ago
7 0

Answer:

Step-by-step explanation:

eq. of line with intercepts a and b is

\frac{x}{a} +\frac{y}{b} =1\\here ~eq. ~of ~line~ is ~ \frac{x}{8} +\frac{y}{4} =1\\or x+2y=8\\

DerKrebs [107]3 years ago
5 0

Answer:

 y = -1/2x + 4

Step-by-step explanation:

We have two points ( 8,0) and ( 0,4)

We can find the slope

m =(y2-y1)/(x2-x1)

    = (4-0)/(0-8)

    4/-8

   -1/2

We can use the slope intercept form

 y = mx+b where m is the slope and b is the y intercept

 y = -1/2x + 4

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I didn't get to finishing the problem (I just got distracted from my exams lol) but here are the equations for each of the people, if it helps.

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3 years ago
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3 years ago
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You buy items totaling $135.82. The sales tax is 4%. You give the clerk three $50 bills. Figure the following amounts:
MrRa [10]

Answer:

a. $5.43

b. $141.25

c. $8.75

Step-by-step explanation:

First you find the total amount you it cost for all the items

$135.82 + 4% = $141.25

You give three $50 dollar bills

50 * 3 = 150

$150 is the amount you give

--------------------------------------

141.25 - 135.82 = 5.43

$5.43 is the amount of the sale price

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To find the amount is cost for all the items you add the sales tax + the original price

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$141.25 is the amount including the tax

---------------------------------------

Subtract

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So you will get $8.75 back

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3 years ago
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Answer:

Step-by-step explanation:

A(-5,-2),B(-2,-2), C(-5,2)

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