I need help on number 18

Mathematics

1 answer:

olga55 [171]3 years ago

6 0

3x+y=total

3=games played
x=cost per game
y=shoe rental cost
So if you use this equation then you can answer the last part of the question, I don't know how much it says on the side that shoe rental costs but I hope this helped to get your answer. If you need more help can you tell me what is says in the box to the right of the problem?

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find the perimeter of an isosceles triangle with side lengths of 5+x, 5+x, and xy. Write in simplest form.

Zinaida [17]

<h3>Answer: perimeter = 10+2x+xy</h3>

To get the perimeter, you add up all the outer sides

side1+side2+side3 = (5+x)+(5+x)+(xy) = 10+2x+xy

The like terms 5 and 5 add to 10. The other pair of like terms x and x add to 2x. There isn't anything to pair with xy, so we leave it as is.

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Aleks [24]

Answer:poop

Step-by-step explanation:

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4 years ago

Please help I'm desperate :(

zubka84 [21]

Answer:

$x=5$

Step-by-step explanation:

<u>Similar Triangles</u>

By looking at the construction of the figure, we can safely assume both triangles are similar, i.e. their internal angles are equal and their sides are proportional. Following the proportion of the heights and bases of both triangles we can set this relationship:

$\displaystyle \frac{45}{36}=\frac{5x}{20}$