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Lerok [7]
3 years ago
9

3x+y=23, 6x-y=50, what is the value of x and y

Mathematics
1 answer:
Mice21 [21]3 years ago
4 0

Answer:

3x+y=23

6x-y=50

2(3x+y)=2(23)

6x+2y=46

(6x-y)-(6x+2y)=50-46

-3y=4

y=-4÷3

=-4/3

x=[23-(-4/3)]÷3

=24/1/3÷3

=73/3÷3

=73/9

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4 0
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Is 124 inches equal too 3 yards 16 inches
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Answer:

we are given

length =3 yards and 16 inches

now, we can change it in inches

we know that

1 yard =36 inches

so, we get

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now, we will check each option

option-A:

we can see that this is also 124 inches

so, this is TRUE

option-B:

4 yd 4 in

we can change into inches

we know that

1 yard =36 inches

4 yd 4 in=4*36 inches +4 inch

4 yd 4 in=144 in

this is not equal to 124 in

so, this is FALSE

option-C:

3 yd 1 1/2 in

we know that

1 yard =36 inches

3 yd 1 1/2 in =

3 yd 1 1/2 in =

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option-D:

2 yd 52 in

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1 yard =36 inches

2 yd 52 in

2 yd 52 in

so, this is same

so, this is TRUE

option-E:

10 ft 4 in

we know that

1 feet =12 inches

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10 ft 4 in=12*10 +4 in

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so, this is TRUE

Step-by-step explanation:

So yes 124 is the same as 3 yards and 16 inches

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