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Elza [17]
3 years ago
7

Hamburgers cost $3 each and hot dogs cost $2 each write an equation that represents the total cost, T, of b, hamburgers and, h,

hot dogs
Mathematics
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

$3h+$2h=T

Step-by-step explanation:

Since we don't know  how many hot dogs(h) or hamburgers(h) they will buy, you just need to use the variables and multiply by how much each one costs and then add them to get the Total (T).

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How many solutions does this system have?
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Answer:

one solution

Step-by-step explanation:

* Lets start to solve the question

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- We will use the elimination method to solve this system of equation

∵ x - y = -4 ⇒ (1)

∵ 3x + y = 8 ⇒ (2)

- Add the two equation (1) and (2) to eliminate y

∴ x + 3x = -4 + 8

∴ 4x = 4

- Divide both sides by 4

∴ x = 1

- Substitute the value of x in equation (1) or equation (2) to find

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- We will use equation (1)

∴ 1 - y = -4

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∴ The solution is (1 , 5)

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Step-by-step explanation:

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