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ahrayia [7]
3 years ago
6

Solve the following system using the substitution method.you must show ALL work and use the substitution method.

Mathematics
1 answer:
postnew [5]3 years ago
7 0

Answer:

y=-2

x=4

Step-by-step explanation:

4x+y=14

x-2y=8 then x=8+2y

substitute for x in 4x+y=14

4(8+2y)+y=14

32+8y+y=14

reduce

32+9y=14

32+9y-32=14=32

9y=-18

9y/9=-18/9

y=-2

x=8+2(-2)=4

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Answer:

69.20in

Step-by-step explanation:

Given data

diagonal of the TV d= 55in

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Applying the Pythagoras theorem

d^2= w^2+ h^2

substitute

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3 years ago
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Answer:

2x+4

Step-by-step explanation:

hope that helps

3 0
2 years ago
Tara, Jennifer, and Mindy donated some money to a charity. Jennifer donated twice
vodka [1.7K]

Answer:

$12

Step-by-step explanation:

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3 years ago
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kozerog [31]
The answer is the second choice. Hope that was helpful
3 0
3 years ago
What is the least common multiple of 10, 20, and 14?
lyudmila [28]

Answer:

The least common multiple would be 140.

Step-by-step explanation:

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20 * 7 = 140

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7 0
3 years ago
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