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3 years ago

How much would you pay for a $20 shirt that is 18% off?

Mathematics

2 answers:

dybincka [34]3 years ago

8 0

You would pay $16.4. you would do: 20 times .18 which equals $3.6 off. 20-3.6= $16.4.

saw5 [17]3 years ago

5 0

Answer:

$16.4

Step-by-step explanation:

you whould pay $16.4 hope this helps and please may i get brainlist that will mean alot to me thank you and have a good day

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A cylinder has a base diameter of 20 meters and a height of 17 meters. What is its volume in cubic meters, to the nearest tenths

Juli2301 [7.4K]

V=5340.7 meters
3.14 using pi sign *10^2*17

8 0

3 years ago

A square and rectangle have the same area. The length of the rectangle is 5cm more than twice the length of the side of the squa

timurjin [86]

Answer:

10cm

Step-by-step explanation:

First let's define variables a and x:

a = area of rectangle and square

x = side of square

Now let's create an equation to calculate a using the square and an equation to calculate a using the rectangle:

Using square: $x^{2} =a$

Using rectangle: $(5+2x)(x-6)=a$

Now we want to solve for x so let's combine the equations since they are both equivalent to a

$(5+2x)(x-6)=x^{2}$

Simplify

$x^{2}-7x-30 = 0$

Solving this we get 10 and -3

Since it is impossible for a square to have a negative side value we can conclude that the value is 10cm

This can then be checked by plugging in 10 as x in our equations and seeing if we get the same a value:

Using square: $10^{2} = 100$

Using rectangle: $(5+2(10))(10-6) = (25)(4) = 100$

6 0

3 years ago

Percent of change markup discount

vichka [17]

You calculate the markup or markdown in absolute terms (you find by how much the quantity changed), and then you calculate the percent change relative to the original value. So they're really just another form of "increase - decrease" exercises.

Example:

A computer software retailer used a markup rate of 40%. Find the selling price of a computer game that cost the retailer $25.
The markup is 40% of the $25 cost, so the markup is:

(0.40)(25) = 10
Then the selling price, being the cost plus markup, is:

25 + 10 = 35

The item sold for $35.

4 0

3 years ago

Read 2 more answers

The numbers on two consecutively numbered gym lockers have a sum of 151. What are the locker numbers?

valina [46]

75 and 76. Hope this helps ;)

4 0

4 years ago

Suppose a city with population 100,000 has been growing at a rate of 8% per year. If this rate continues, find the population

Sholpan [36]

188,000-

First, you have to find what 8 percent of 100,000 is. In order to do this, multiply 100,000 by 0.08. You get 8,000.

Then, you multiply 8,000 by 11. You get 88,000.

Now all that’s left to do is add 88,000 to 100,000, and you get 188,000.

Hope that helped.

6 0

3 years ago