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Alenkasestr [34]
3 years ago
13

Write a real-world problem involving a percent that can be solved by using the proportion 3/b= 60/100. Then solve the proportion

.
Mathematics
1 answer:
inessss [21]3 years ago
8 0
Dax goes to the store to buy milk. There is a sale for milk, and it now costs 3 dollars since it was 60% off. What was the original price of the milk?
3 - 60
x - 100
Cross multiply
300=60x
5=x

The milk original cost 5 dollars.
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Which linear inequality is shown on the graph?
AlekseyPX
Answer: choice C) x-y <= 2

======================================

Explanation:

The two points (0,-2) and (2,0) are on the boundary line. The boundary line equation is y = x-2. We find this equation through the use of the slope formula to find that m = 1. The y intercept is -2 so b = -2. Therefore, y = mx+b turns into y = 1x+(-2) which simplifies to y = x-2

The equation y = x-2 can be arranged to get x-y = 2 (subtract y from both sides; add 2 to both sides)

So the answer is either x-y <= 2 OR it is x-y >= 2

The question is: which inequality has the test point (0,0) in it? We pick on the origin since 0 is the easiest number to work with.

Plug (x,y) = (0,0) into the equation for choice C
x-y <= 2
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0 <= 2
which is true. So choice C is the answer.

Choice D can be ruled out since...
x-y >= 2
0-0 >= 2
0 >= 2
which is false: 0 is not larger or equal to 2
7 0
4 years ago
Please help! <br><br><br><br> _________
gavmur [86]

Answer:

Step-by-step explanation:

A and D = 20

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6 0
3 years ago
Draw a model to show a fraction that is equivalent to1/3 and a fraction that is not equivalent to 1/3
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4 years ago
Read 2 more answers
If 9 is added to twice a number and this sum is multiplied by 2​, the result is the same as if the number is multiplied by negat
bagirrra123 [75]
Let the number be x
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8 0
3 years ago
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xeze [42]

Step-by-step explanation:

5x - 4 = 2x + 6 × x

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-----> 2x = 10

----> x = 5

5 0
3 years ago
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