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Lyrx [107]
4 years ago
6

Solve by the linear combination method. 2x + 3y = 11 –4x + 2y = 2 60pts please answer in 5 minutes

Mathematics
1 answer:
Makovka662 [10]4 years ago
7 0

2x+3y=11

4x+2y=10

multiple the top equation by -2

-4x-6y=-22

4x+2y=10

-4y= -12

y=3

then plug 3 for y so 2x+9=11

2x=2

x=1 and y=3

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ollegr [7]

The question is incomplete :

The height, width and Lenght isn't Given. However, we can create an hypothetical scenario, with a height 6, length 8 and width 4

Answer:

192 unit³

Step-by-step explanation:

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V = length * width * height

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6 0
3 years ago
Lillian and Jacob work at a dry cleaners ironing shirts. Lillian can iron 25 shirts per hour, and Jacob can iron 20 shirts per h
vladimir1956 [14]

Answer:

Lillian worked 7h and Jacob worked 6h

Step-by-step explanation:

the number of hours Lillian worked are x (h)

the number of  hours Jacob worked are y (h)

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=> Lilian ironed: 25x (shirts)

    Jacob ỉroned: 20y (shirts)

because Lillian and Jacob worked a combined 13 hours and ironed 295 shirts, we have:

\left \{ {{x+y=13} \atop {25x+20y=295}} \right. => \left \{ {{x=7} \atop {y=6}} \right.

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8 0
3 years ago
What errors did Amy make? Select all that apply.
Rashid [163]
She added the numerators
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you should also simplify the final answer

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7 0
3 years ago
Read 2 more answers
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3 years ago
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Answer:

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3 years ago
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