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slega [8]
3 years ago
15

Which card would cost you the least and by how much? If a credit card company A offers a 2% rebate for all purchases during the

year. You have purchased $4,350 worth of merchandise this year. Your interest for the year was $360. Card B offers no rebate but charges a lower interest rate. The interest for the year would be $270.
Mathematics
1 answer:
olga2289 [7]3 years ago
8 0
Card A:
<span>$4,350  x 0.02 = $87
</span><span>$360  - $87 = $273

Card B:
Interest $270 no rebate

so $273 - $270 = $3

Card B cost least and $3 less than card A</span>
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Describe the steps needed to solve 8x-12y=-3 for y.
Sholpan [36]

Answer:

y = (2 x)/3 + 1/4

Step-by-step explanation:

Solve for y:

8 x - 12 y = -3

Subtract 8 x from both sides:

-12 y = -8 x - 3

Divide both sides by -12:

Answer: y = (2 x)/3 + 1/4

4 0
4 years ago
Find the value of “x” so that a parallel to b
Kaylis [27]

Answer:

Step-by-step explanation:

3x - 50 = 2x - 5     { a// b,  so alternate interior angles are equal}

3x - 2x = -5 +50

        x = 45

8 0
4 years ago
Read 2 more answers
Answers plz i cant do math
Licemer1 [7]

The slope of all parallel lines are equal.

The slope of a line in the form y=mx+c is m.

1. The given equation is: y=4x+2.  The slope of this line is m=4. The slope of the line parallel to this line is also 4.

2. The given equation is y=\frac{2}{7}x+1. The slope of this line is m=\frac{2}{7}.

The slope of the line parallel to it is also \frac{2}{7}.

3. The next equation is y+9x=13. The slope intercept form is y=-9x+13.

The slope of this is m=-13. The line parallel to it also has slope which is -13.

4. The given equation is y=-\frac{1}{2}x+4. The slope of this line and the line parallel to it is m=-\frac{1}{2}

5. The equation is 6x+2y=4. We simplify to get: 3x+y=2.

The slope-intercept form is y=-3x+2. The line parallel to this line has slope m=-3

6. Assuming the line is y=-3x+9, then the slope is m=-3

7. Assuming the line is -5x+5y=4, then the slope-intercept form is y=x+\frac{4}{5} and the slope of the line parallel to this line is m=1

8. The equation is 9x-5y=4. The slope intercept form is y=\frac{5}{9}x-\frac{4}{9}. The slope of the line parallel to this line is m=\frac{5}{9}

9. The given equation is -x+3y=6. The slope intercept form is y=\frac{1}{3}x+2. The line  parallel to this line also has slopem=\frac{1}{3}.

10.  Assuming the given line is 6x-7y=10, then y=\frac{6}{7}x-\frac{10}{7} and the line parallel to it has slope m=\frac{6}{7}

11. Assuming the line is y-x=-3, then y=x-3 and the slope of the line parallel to it is m=1

12. The given line is 3x-5y=6. This implies that y=\frac{3}{5}x-\frac{6}{5}

7 0
3 years ago
PLEASEEEEE HELP I HAVE A MATH TEST DUE TODAY and its 8:49 please help
MatroZZZ [7]

Answer:

67°

Step-by-step explanation:

In order to find the value of x, subtract the sum of the given angles from 180° so:

=180-(53+60)

=180-113

=67°

6 0
3 years ago
Read 2 more answers
What Is the answer to 10ac-x/11=-3
cestrela7 [59]
  1. Multiplty both sides by 11. 11 times 11 cancels out, 11 times -3 equals -33. You should get 10ac - x = -33
  2. Add  x  to both sides:   10 a c = x − 33
  3. Divide both sides by  10 c :   a = x − 33 /10c

revised tada!

4 0
4 years ago
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