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joja [24]
3 years ago
8

Sue and Kim earn $52 per week for delivering magazines. Sue worked for x weeks and earned an additional total bonus of $12. Kim

worked for y weeks. Which expression shows the total money, in dollars, that sue and Kim earned for delivering magazines?
Mathematics
2 answers:
Ivahew [28]3 years ago
3 0
64x + 52y 52x − 12 + 52y 52x + 64y 52x + 12 + 52y
aalyn [17]3 years ago
3 0
Mmmmmmm I would say the equation is y = 52x + 12 because 52 dollars per week is the slope, 12 dollars is the extra so it will be b in the equation y = mx + b. So you will end up with y = 52x +12. :)
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Semenov [28]

Answer:

$42.09

Step-by-step explanation:

1. multiply the cost per gallon (3.45) by the gallons purchased (12.2)

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6 0
3 years ago
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Sloan [31]
First you put the numbers in this form:

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Now they look like fractions but you have to cross multiply them like this: 11 x $3.52 which makes $38.72 then you divide $38.72 by $9.57 which makes the answer that you have to find which is 4.04597701 or just to round 4 and then that will be your answer.
4 0
3 years ago
X² + y² = 8
ohaa [14]

Answer:

(2,2)~ \text{and}~ (-2,-2)

Step by step explanation:

x^2 +y^2 =8~~~~~~...(i)\\\\x-y=0~~~~~~~~~...(ii)\\\\\text{From (ii):}\\\\x-y = 0 \implies x = y\\\\\text{Substitute x = y  in eq (i):}\\\\~~~~~~y^2 +y^2 =8\\\\\implies 2y^2 = 8\\ \\\implies y^2 = \dfrac 82\\\\\implies y^2 = 4\\\\\implies y = \pm\sqrt 4\\\\\implies y = \pm 2\\\\\text{Substitute y = x  in equation (i):}\\ \\~~~~~~x^2 +x^2 = 8\\ \\\implies 2x^2 = 8\\\\\implies x^2 = \dfrac 82\\\\\implies x^2 = 4\\\\\implies x = \pm\sqrt 4\\\\\implies x = \pm2\\\\

\text{Hence,}~ (x,y) = (\pm2, \pm 2)

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maks197457 [2]
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Kryger [21]

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10 miles per hour

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speed= distance/time

30/3

=10

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3 years ago
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