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NeTakaya
3 years ago
15

If you were to use the substitution method to solve the following system, choose the new

Mathematics
1 answer:
mestny [16]3 years ago
5 0

Answer:

23x = -115

Step-by-step explanation:

In the substitution method, you must solve for 1 variable in 1 equation to replace it in the other equation. For the system:

2x - 7y = 4

3x + y = -17

Solving for y in the second equation:

y = -17 - 3x

Replacing y in the first equation:

2x - 7(-17 - 3x) = 4

2x + 119 + 21x = 4

23x = -115

This is the new equation after use the substitution method.

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Plz solve this. with expalnations 20 points​
yanalaym [24]

Step-by-step explanation:

length of half circumference EFG=15

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3 years ago
A rectangular Persian carpet has a perimeter of 220 inches the length of the carpet is 22 inches more than the width what are th
Sedaia [141]

Answer:

length= 65 inches

width= 45 inches

Step-by-step explanation:

65 plus 65= 130

45 plus 45= 90

130 plus 90= 220 in.

5 0
4 years ago
Joaquin's family is planning to drive from Sandpoint to Grangeville. They have a map on which 1 inch = 62 miles. Joaquin measure
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Answer: <em>If you round it, should be about 5 hours.</em>

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6 0
3 years ago
The sum of 48 and itself its half and half of the hal is added to 18​
hammer [34]

Answer:

150

Step-by-step explanation:

We are carrying out Addition

a) The sum of 48 and itself

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b) Its half and half of the half

96 + (1/2 × 48) + (1/2 ×( 1/2 × 48)

= 96 + 24 +(1/2 × 24)

= 96 + 24 + 12

= 132

c) is added to 18

= 132 + 18

= 150

Therefore, the sum of 48 and itself, its half and half of the half is added to 18 is 150

8 0
3 years ago
Im in a helicopter and I fall 80ft down, and go 80ft back up in the air, were would I be???
wariber [46]

Answer:

Step-by-step explanation:

My guess is 0.

If you started at ground level (0) , and fall 80 ft down, it would be -80. But if you go back up 80 ft up, it would be back to 0.

Good luck! :)

6 0
4 years ago
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