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stepan [7]
3 years ago
13

Find A and B if the graph of Ax + By = 12 passes through (2,1) and is parallel to the graph of 2x - 7y = 3

Mathematics
1 answer:
Ivenika [448]3 years ago
4 0

Answer:

24-21

Step-by-step explanation:

2×12=24 7×3=21 I started from 2×2 towards 2×12 when I got the answer and I started 7×1 towards 7×3

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The length of a rectangle is 12 in. and the perimeter is 56 in. Find the width of the rectangle.
yuradex [85]

Answer:

W = 16 in

Step-by-step explanation:

P = 2L + 2W

56 = 2(12) + 2W

56 = 24 + 2W

56-24 = 2W

32 = 2W

W = 32/2

W = 16 in

Best regards

7 0
3 years ago
Write an irrational number that can be added to the irrational number the square root of 15 to get a rational sum of 2
aniked [119]

Answer:

Step-by-step explanation:

if u is an irrational number added to a rational number (sqrt 15) to yield 2, then that would mean u would = root -1.78.....

which means you wouldn't have a real solution. if you want a complex answer, it would be sqrt(1.78)i

7 0
3 years ago
Cual ecuacion representa un ejemplo de la
Katarina [22]

Answer:

B) 6(x+2y) + 4 = 6x + 12 y + 4

6 0
3 years ago
In the seventh grade, Rachel read 15 books.
andre [41]

Answer:

20%

Step-by-step explanation:

Calculate percentage change

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(V2−V1)|V1|×100

=(18−15)|15|×100

=315×100

=0.2×100

=20%change

=20%increase

4 0
3 years ago
Read 2 more answers
Four girls and eight boys are running for president or vice president of the Student Council. What is the probability that the p
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The probability for a boy is 8/12 and the girls is 4/12 so that's a 4/12 diffrence
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3 years ago
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