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Brilliant_brown [7]
3 years ago
6

Supposed to pay $32 for a pair of shoes that was originally $40 what was the percent of the decrease in price of the shoes set u

p a proportion and solve.
[Please explain how you got that answer]
Mathematics
1 answer:
Eddi Din [679]3 years ago
4 0

Answer: 20% decrease.

<u>Step-by-step explanation:</u>

Percent\ Change = \dfrac{New - Original}{Original}

\dfrac{32-40}{40} = \dfrac{-8}{40} =-0.20 = -20\%

The negative sign represents a decrease.

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Someone please help me will give brainliest!!!!!
ololo11 [35]
I believe the fastest way to solve this problem is to take any two of the given points and to find the slope and y-intercept of the line connecting those two points.  

Let's choose the 2 given points (-3,16) and (-1,12).
Going from the first point to the second, the increase in x is 2 and the increase in y is actually a decrease:  -4.  Thus, the slope of the line connecting these two points is m = -4/2, or m = -2.

Now use the slope-intercept formula to find the y-intercept, b.

One point on the line is (-3,16), and the slope is m = -2.

Thus, the slope-intercept formula y = mx + b becomes 16 = -2(-3) + b.
Here, b comes out to 10.

So now we have the slope and the y-intercept.  Write the equation:

y = mx + b becomes y=-2x+10.  Which of the four given answer choices is the correct one?
3 0
3 years ago
What is value of x?<br><br><br><br> Enter your answer in the box.<br><br> x =
Ganezh [65]

Answer:

I belive x=4.9

Step-by-step explanation:

3 0
3 years ago
Dawn is ordering 1 veggie sandwich for every 3 ham sandwiches. She needs 12 sandwiches in all. Veggie sandwiches cost 4.00 dolla
NISA [10]

Answer:

$52.50

Step-by-step explanation:

Lets use V for Veggie, and H for Ham.

V=4

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She is getting 12 sandwiches, and Every 3 H, she buys one V.

So, the order of her buying the sandwiches would be:

H H H V H H H V H H H V

9 H and 3 V

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3 years ago
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Step-by-step explanation:

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5 0
3 years ago
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Serggg [28]

-ratio

-interval

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Answer:

Nominal

Step-by-step explanation:

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-Ordinal means that the values can be ordered by rank.

According to this, the answer is that classifying the fruit in a basket as apple, orange, or banana, is an example of the nominal level of measurement.

3 0
3 years ago
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