3 years ago

Which of these points lies on the graph of the equation x − 12 = y?

Mathematics

1 answer:

lesya692 [45]3 years ago

7 0

Answer: (4, 8)

Step-by-step explanation:

(4,8)

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Alvin's age is three times Elgas age. The sum of their ages is 36. What is Elgas age?

olchik [2.2K]

Answer:

Elgas is 9 years old.

Step-by-step explanation:

Alvin: 3 x Elgas

36: Alvin + Elgas

36 / 4 : 9

Elgas: 9

Alvin: 27

To check: 27 + 9= 36

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3 years ago

Eden has a part time job. She gets paid £7. 20 per hourthis week she worked for 18 1/2 hourswork out Eden's total pay for this w

Dafna1 [17]

Answer:

$133.20

Step-by-step explanation:

Since the amount of hours she worked isn't a whole number, we can first separate 18 and 1/2 and work the problem out one at a time.

1. Multiply 7.20 by 18 to get 129.60

2. Multiply 0.50 by 7.20 to get 3.60.

3. Add 129.60 and 3.60 together to get the answer, 133.20.

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kati45 [8]

13736 cups. I may be wrong.

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3 years ago

Simplify these expressions: 12x - 3x

kkurt [141]

Answer:

12x-3x

= 9x

Step-by-step explanation:

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3 years ago

Please solve it 90 POINTS please help- PLEASE HELP its Identify the following for the quadratic relations please slove it all pl

sdas [7]

Answer:

$\boxed{\mathrm{view \: explanation}}$

Step-by-step explanation:

a) elimination method

b) substitution method

c) substitution method

For the first part we can elimate the y variable by subtracting the equations. We can then find the value of x.

For the second part we can substitute y as 2x+5 in the second equation and solve for x.

For the third part we can substitute y as 4x+3 in the first equation and solve for x.

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3 years ago