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Leni [432]
2 years ago
13

Debbie Redden has a 25%-off coupon and is purchasing a

Mathematics
1 answer:
maksim [4K]2 years ago
7 0
A) the markdown is $9.99
b) original sale price is $39.99
c) after using the coupon the price would be $29.99

in order to find this out you would first divide the original price of 39.99 by 100 in order to find out what 1% is. Then you would multiply this number by 25 to find out what 25% is. Then you would subtract the original amount of 39.99 by the 25% amount in order to find out how much is taken off
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Plz help I don’t understand
svlad2 [7]
50+30+y make a straight line so they have to add to 180. 180-50-30=100, y=100

h and 130 also make a line and so add to 180 so h had to be 50
4 0
3 years ago
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the relative frequency of a drawing pin falling pin up is 3/8. How many times would you expect it to fall pin up in 400 drops?
just olya [345]
Not really sure if this is correct since I'm really bad at math, but I think it'll be 150 times. Hope this helped child :)
4 0
3 years ago
We need a rock garden with a perimeter of 12 feet and an area of 8 square feet what is the length and width
Katarina [22]

The dimensions of the rectangle can be a length of 2ft and a width of 4ft.

<h3>How to find the dimensions of the garden?</h3>

Remember that for a rectangle of length L and width W, the perimeter is:

P = 2*(L + W)

And the area is:

A = L*W

In this case, we know that the area is 8 square feet and the perimeter is 12 ft, then we have a system of equations:

12ft = 2*(L + W)

8ft² = L*W

To solve this, we first need to isolate one of the variables in one of the equations, I will isolate L on the first one:

12ft/2 = L + W

6ft - W = L

Now we can replace that in the other equation to get:

8ft² = (6ft - W)*W

This is a quadratic equation:

-W^2 + 6ft*W - 8ft² = 0

The solutions are given by Bhaskara's formula:

W = \frac{-6 \pm \sqrt{(6ft)^2 - 4*(-1)*(-8)} }{2*-1} \\\\W = \frac{-6 \pm 2}{-2}

Then we have two solutions:

W = (-6 - 2)/-2 = 4ft

W = (-6 + 2)/-2 = 2ft

If we take any of these solutions, the length will be equal to the other solution.

So the dimensions of the rectangle can be a length of 2ft and a width of 4ft.

if you want to learn more about rectangles:

brainly.com/question/17297081

#SPJ1

4 0
2 years ago
One insurance policy pays people for claims by multiplying the claim amount by 0.8 and then Subtracting $500 for the deductible
Brrunno [24]

Answer:     4650 x 0.8 - 500 = 3220

Step-by-step explanation:

8 0
3 years ago
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(6 x 10 to the power of -1) - (5 x 10 to the power of -3)
IgorC [24]

Answer:

0.595.

Step-by-step explanation:

.

6 0
3 years ago
Read 2 more answers
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