27.03.2020

2y-6x=4 if you are solving for y

. 1

Step-by-step answer

24.06.2023, solved by verified expert

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Mathematics
Step-by-step answer
P Answered by PhD

y = 3x + 2

Step-by-step explanation:

Mathematics
Step-by-step answer
P Answered by Master
4y+12x=10(1)
2y-6x= -8(2)


(1)+2(2)

4y+12x=10
4y-12x= -16

8y      = -6
y= -6/8
y= -3/4

y in (2)
2y-6x= -8
2(-3/4)-6x= -8
-3/2-6x= -8
-3/2+8=6x
13/2=6x
(13/2)/6=x
13/12=x
x=13/12

C

I hope it helps you :)
Mathematics
Step-by-step answer
P Answered by Master
4y+12x=10(1)
2y-6x= -8(2)


(1)+2(2)

4y+12x=10
4y-12x= -16

8y      = -6
y= -6/8
y= -3/4

y in (2)
2y-6x= -8
2(-3/4)-6x= -8
-3/2-6x= -8
-3/2+8=6x
13/2=6x
(13/2)/6=x
13/12=x
x=13/12

C

I hope it helps you :)
Mathematics
Step-by-step answer
P Answered by PhD

Cost of 7 gallons=$24.50

Cost of 1 gallon=24.50/7=3.5

Cost of 15 gallons=15*3.5=52.5

Cost of 15 gallons will be $52.5

Mathematics
Step-by-step answer
P Answered by PhD

For every 8 cars there are 7 trucks

Therefore,

Cars:Truck=8:7

Answer is B)8:7

Mathematics
Step-by-step answer
P Answered by PhD

The solution is in the following image

The solution is in the following image
Mathematics
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Mathematics
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Approximately it is aqual to 1300kg

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