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boyakko [2]
2 years ago
10

Make x the subject of the formula y=7x + 4

Mathematics
2 answers:
alex41 [277]2 years ago
6 0
Y = 7x + 4
-4 from both sides
y - 4 = 7x
/ 7 on both sides
(y-4)/7 = x

Answer:

x = (y-4)/7
murzikaleks [220]2 years ago
3 0

Answer:

x= (y - 4)/7

Step-by-step explanation:

y=7x + 4

Subtract 4 from both sides

y - 4= 7x +4 - 4

y - 4= 7x + 0

y - 4= 7x

Divide both sides by 7

(y - 4)/7= 7x/7

(y - 4)/7= x

x= (y - 4)/7

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3 years ago
The average of three different positive integers is 8. What is the largest integer that could be one of them.
Trava [24]
Supposing that the integers are x, y and z, and that their average is 8, then

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    3

Let's experiment.    Making up a table, we get:

x   y   z   sum (sum MUST be 24)
5  9  10    24
4  9   11    24
3  10  11   24
2   11 11    24
1   11  12   24
1   10  13   24
1    1   22   24

Can't choose integers smaller than 1, so it appears that 22 is the largest possible integer that could be one of x, y and z.
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3 years ago
The point (-1,-4) is on the line given by which equation below ?
Vlad1618 [11]

Answer:

D. y = 4x

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y = 4x

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4 0
3 years ago
Read 2 more answers
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ElenaW [278]

Answer:

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Step-by-step explanation:

Hope it helps :)

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2 years ago
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A circle has a circumference of 12. It has an arc of length 11.
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