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hoa [83]
3 years ago
9

Please help this seems impossible.

Mathematics
1 answer:
MatroZZZ [7]3 years ago
6 0

Answer:

hlo XD

no its not looking difficult

it is difficult

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Schach [20]
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If I paid $205.50 for a phone that was 70% off, then what was the original price of the phone
slega [8]

Answer:

£349.35

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then do 170 divided by 100 and multiply by the total ($205.50)

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7 0
3 years ago
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If 2x – 10y = -1 and 5x + 6y = 4 are true equations, what would be the value<br> of 7x - 4y?
Zigmanuir [339]

Answer:

Step-by-step explanation:

If the equations are true, they can be solved simultaneously.

Consider 2x-10y=-1 as Eq1 and 5x+6y=4 as Eq2

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6x-30y=-3 -- Eq3 and 25x+30y=20 -- Eq4

Adding Eq3 and Eq4,

31x=17 Therefore, x=17/31

Plugin x=17/31 in Eq3,

6(17/31)-30y=-3 --- y=13/62

Plug In values of x and y in 7x-4y we get,

7(17/31)-4(13/62) = 3

So the value of 7x-4y = 3.

8 0
2 years ago
Can someone please help me with this?
Charra [1.4K]
Im pretty sure its 60
7 0
3 years ago
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