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prisoha [69]
3 years ago
12

How are the equations in problems 2a and 2b alike? how are they different?

Mathematics
1 answer:
Paul [167]3 years ago
6 0
Can you please show us the problems
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Cooper is at the grocery store buying lunch meat for a party. Ham costs $4.50 per pound and turkey costs $2.75 per pound. If Coo
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Which sequence of rigid transformations will not map the preimage ABC onto the image A'B'C'?
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$250 x 0.99 = y<br> Please I need it ASAP
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Select the correct answer.
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4 years ago
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Solve the system of equations algebraically.
Sveta_85 [38]

Answer:

x = -7 , y = 5 thus D)

Step-by-step explanation:

Solve the following system:

{4 x - 4 y = -48 | (equation 1)

5 x - 6 y = -65 | (equation 2)

Swap equation 1 with equation 2:

{5 x - 6 y = -65 | (equation 1)

4 x - 4 y = -48 | (equation 2)

Subtract 4/5 × (equation 1) from equation 2:

{5 x - 6 y = -65 | (equation 1)

0 x+(4 y)/5 = 4 | (equation 2)

Multiply equation 2 by 5/4:

{5 x - 6 y = -65 | (equation 1)

0 x+y = 5 | (equation 2)

Add 6 × (equation 2) to equation 1:

{5 x+0 y = -35 | (equation 1)

0 x+y = 5 | (equation 2)

Divide equation 1 by 5:

{x+0 y = -7 | (equation 1)

0 x+y = 5 | (equation 2)

Collect results:

Answer:  {x = -7 , y = 5

7 0
4 years ago
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