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3 years ago

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A convenience store sells two brands of orange juice. bran a contains 8 fluld ounces and costs $1.28. brand b contains 12 fluld

ounces and costs $1.68. what is the difference in cost, in dollars, per fluid ounce between the two brands of juice?

1 answer:

SIZIF [17.4K]3 years ago

5 0

The 12 fluid ounces is cheaper

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Mekhanik [1.2K]

Answer:

Step-by-step explanation:

Perpendicular lines are lines whose slopes are negative reciprocals of each other

To find the slope of the line we are given, we can rearrange the equation

$4x - 5y = 4\\4x - 4 = 5y\\y = \frac{4}{5}(x) - \frac{4}{5}$

The slope of this line is $\frac{4}{5}$ , so the slope of the other line is $\frac{-5}{4}$

next, we can use the given point to find the equation $y = mx +b$

we know m, we can solve for b

$y = \frac{-5}{4}(x) + b\\-3 = \frac{-5}{4}(-2) + b\\-3 = \frac{5}{2} + b\\\frac{-6}{2} = \frac{5}{2} + b\\$

$b = \frac{-11}{2}$

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3 years ago

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Answer:

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Step-by-step explanation:

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mr Goodwill [35]

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If 20 machines produce 1,240 printers in a day,

d1i1m1o1n [39]

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12 machines

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2 years ago

Find the coordinates of the point 7/10 of the way from A to B

OverLord2011 [107]

Answer:

(6.8, 1.3)

Step-by-step explanation:

<u>Given</u>:

A(-3, -5), B(11, 4)

<u>Find</u>:

P such that AP/AB = 7/10

<u>Solution</u>:

Using the desired relation, we have ...

(P -A)/(B -A) = 7/10

10(P -A) = 7(B -A) . . . . . multiply by 10(B-A)

10P = 7B +3A . . . . . . . . add 10A to both sides

10P = 7(11, 4) +3(-3, -5) = (77 -9, 28 -15) = (68, 13)

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The point 7/10 of the way from A to B is (6.8, 1.3).

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2 years ago