2 years ago

CAN SOMEONE PLSSSSS ANSWER BOTH OF THESE QUESTIONS I WILL MARK BRAINLIEST

Mathematics

1 answer:

Margaret [11]2 years ago

3 0

Answer: B and C

Step-by-step explanation:

404 + 50 + 50 = 504

you are buying 144 magazines total

504/144 = cost of one magazine

cost of one = 3.50

you are paying $60 a year for 12 years

60 x 12 = 720

720/144 = 5

5 - 3.50 = 1.50

120x + 180x = 1080

300x = 1080

x = 1080/300

x = 3.6

3.6 x 60 = 216

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Step-by-step explanation:

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Find an equation of the line parallel to −5x+7y=3 that passes through the point (9,−4). If possible, write the equation in slope

saul85 [17]

From the original equation we have:

$-5x+7y=3$ $7y=5x+3$ $y=\frac{5}{7}x+\frac{3}{7}$

The slope of this line is 5/7 and for the new equation to be parallel to the original must have the same slope, and using the point-slope formula we have:

$y-(-4)=\frac{5}{7}(x-9)$ $y+4=\frac{5}{7}x-\frac{45}{7}$ $y=\frac{5}{7}x-\frac{45}{7}-4$ $y=\frac{5}{7}x-\frac{73}{7}$

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1 year ago

Find the value of the expression:<br>70–a2 for a=–25; 1; 10

shutvik [7]

Simple answer.

You will have to replace a, with the given numbers.

For the 1st one)

70-25² since a=25. 70-625=-55

2nd)

70-1²=70-1=69

3d)

70-10²=70-100=-30

Hope this helped.

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3 years ago