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lesya [120]
3 years ago
5

​Gianna rented shoes, bowled 3 games, and bought 1 order of nachos. She used a coupon for 25% off the price of her bowling games

only.

Mathematics
2 answers:
dem82 [27]3 years ago
7 0
The answer is A.

Each game is 4$ which makes it 12$
Rented shoes are 3.75$
And the nachos are 1.80$
All this added is 17.55$
And 25% off of that is 13.16$
sesenic [268]3 years ago
7 0
1.80+3.75=5.55 and .25 of 12 is 9 so 9+5.55 is 14.55
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If two equations are parallel it means that both their gradients are equal. We were given the equation:

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in order to find the gradient of this equation that we are given we have to ensure that it is in its simplest form:

5x + 2y = 12 \\ 2y = 12 - 5x \\  \frac{2y}{2}  =  \frac{12}{2}  -  \frac{5}{2} x \\ y = 6  -  \frac{5}{2} x \: \\ or \: \\ y =   - \frac{5}{2} x + 6

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y = mx + c \\ 4 =  - \frac{ 5}{2} ( - 2) + c \\ 4 =  \frac{10}{2}   + c \\ 4 = 5 + c \\ 4 - 5 = c \\

c =  - 1 \\ hence \: the \: equation \: for \: the \: \\  parallel \: line \: is \\  \: y =  -  \frac{5}{2} x  - 1

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