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rewona [7]
3 years ago
9

Emilio buys liter bottles of shampoo when the store has the promotion shown. Write an expression in two different ways to repres

ent the total cost of 3 liters of shampoo.​
Mathematics
1 answer:
Paladinen [302]3 years ago
6 0

Answer:$2

Step-by-step explanation: 1 liter = $1

3-1=2

$2

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Jim buys a calculator that is marked 30% off. If he paid $35, what was the original price?
liraira [26]

Answer:

x = 50

Step-by-step explanation:

Let x be the original price.

He got 30% off

The discount is .30x

Subtract this from the original price to get the price he paid

x - .30x = price he paid

.70x = price he paid

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Divide each side  by .7

.70x/.7 = 35/.7

x=50

5 0
4 years ago
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Sholpan [36]

Answer: 1/24

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3 0
3 years ago
If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equation?
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\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] ~\dotfill\\\\ (\stackrel{x}{2},\stackrel{y}{-10})~~ \textit{we know } \begin{cases} x=2\\ y=-10 \end{cases}\implies -10=k2\implies \cfrac{-10}{2}=k\implies -5=k \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill y=-5x~\hfill

8 0
3 years ago
What’s the domain and range of y=x^2+2
denpristay [2]

Answer:

domain: all real numbers

range: {y element R : y>=2}

Step-by-step explanation:

7 0
4 years ago
A consumer shops for a sofa. The store is having a 20% off sale on all furniture. What is the discounted, pre- tax cost of a sof
lakkis [162]
Answer:
The answer is 408

Explanation:
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3 years ago
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