I need help with this one too

Mathematics

1 answer:

NikAS [45]3 years ago

3 0

Answer:

Step-by-step explanation:

I'm pretty sure that the shaded space represents all possible solutions, meaning that the X has to be greater than or equal to 2.

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If x and Y are positive integers ,is x - y always positive ? Explain

kykrilka [37]

No not always, because x could be a smaller number than y which would make it an negative. If x is bigger than y most likely it will be, but not always.

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4 years ago

Mark has an $879 annual base premium. If he is 21, what will he pay for the policy? $2,567.29 $1,500.15 $2,115.90 $1,889.85

Dmitrij [34]

Answer:

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Step-by-step explanation:

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3 years ago

At the movie theatre, child admission is $5.20 and adult admission is $9.00 . On Saturday, 156 tickets were sold for a total sal

stiks02 [169]

We can solve this by using systems of equations.

Let's find our first formula, how much money was made using the tickets.

$5.20x + 9y = 1027.80$

Here x is how many child tickets we sold and y is how many adult tickets we sold. Now that we have defined that, we can make another formula for the total tickets sold!

$x + y = 156$ since we sold 156 tickets that could be any combination of child and adult tickets.

Let's solve this system. I'm going to use <em>substitution</em> so I'm going to take our second formula and subtract both sides by x to get $y = 156 - x$ .