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Radda [10]
3 years ago
11

Jocelyn Angelica bought a dress marked "Sale Price is 18% Off." The cashier told her she saved $23. How much was the price of th

e dress, before markdown?
Mathematics
1 answer:
77julia77 [94]3 years ago
5 0
Represent the dress price using d.
                                                                                                             $23
Savings were 0.18d = $23.  Dividing both sides by 0.18, we get d = -------
                                                                                                             0.18

= $127.78.

Check:  What is 18% of $127.78?  0.18($127.78) = $23.

Thus, the original price was $127.78, the savings $23, and the price paid $104.78.
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Two counters are selected at random from a bag containing 5 red counters and 3 blue counters.
azamat

Answer:

1.4

Step-by-step explanation:

Probability of selecting a red counter :

Number of red counter / total number of counters

5 / (5 + 3) = 5 /8 = 0.625

Probability of selecting a blue counter = 0.375

Let number of red counters :

0, 1 or 2

0 red counters :

Expected value = x * p(x)

0 + (0.625*1) + (0.390625 * 2)

0 + 0.625 + 0.78125 = 1.40625

Expected number of red counters = 1.4

6 0
3 years ago
Ok maribelalmaraz2404 what’s this? Isosceles, Scalene, or equilateral?
Alexxx [7]

Answer:

scalene

Step-by-step explanation:

Since none of the sides are equal, the triangle is a scalene triangle

Isosceles would have 2 sides equal

Equilateral would have all 3 sides equal

3 0
3 years ago
Calculate the distance between each given pair of points. Round your answer to the nearest tenth, if necessary.
Ksju [112]
The answer is 5 

Here are the steps:

First off, we will be using the distance formula of 
d=\sqrt{(x_ {2}- x_{2}) ^{2}+( y_{2}- y_{1})^2     }

So we have the ordered pairs of (3,1) and (6,5)

Once you plug them into the formula it should look like this: 
d= \sqrt{(6-3)^2+(5-1)^2}

Now we do the math inside the parenthesis and end up with:
d=\sqrt{3^2+4^2}

Then you multiply by the power and simplify to get:
d=\sqrt{25}

And the \sqrt{25}=5

So your answer is 5
8 0
3 years ago
What which relationship in each of the following represents a Non-proportional relationship
sergij07 [2.7K]
The answer is C y =3.5x
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3 years ago
a laptop's screen is 8 inches long. if the diagonal measures 10 inches, what is the width of the laptop
Ray Of Light [21]
The width of the laptop is 6 inches long.
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3 years ago
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