Hello! I was studying percentiles today, and I came across two formulas, that I can't understand. I am looking for somebody who could explain to me, what those formulas are and what they consist...

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Hello! I was studying percentiles today, and I came across two formulas, that I can't understand. I am looking for somebody who could explain to me, what those formulas are and what they consist...

A dealer bought a used car for $12600, repaired it and sold it for $18000, thus making a profit of 25%. How much did he spend on repairs?

The price of a computer is reduced by 10%. by what percentage must the new price be increased, to restore the original price?

Hi. Can you give me code on how to solve the following in matlab? thanks! 1.4x'' + 4x' + 1700x = - [-8x' + 20(x')^3 + 100x - 2.5x^3]

this is cordinate geometry

If 6 men can harvest a field in 60 working hours, and a man works three times as fast as a boy: (a) How long will 10 boys take to harvest the field? (b) How many boys will be needed to help...

To be completely accurate, a model railroad needs to scale down speed in addition to size. Rail speed limits depend on track quality, but the highest speed limit in the U.S. is 200 mph. What should...

In model trains, O scale means the models are made using a 1:48 scale. In the U.S., real train tracks have rails that are 4 ft 8 in apart. a. If miniature train track was made using O...

Procurement Management Plan,could you add to what i wrote so far for introduction, approach, and definition. i dont know what else is needded for each section.. Could you add to what I have...

When the expression 8x^3+mx^2+nx-9 is divided by x+2 and 2x-3, the remainder are -93 and 6 respectively

Could you please help prove this inequality. I'm having trouble deciding whether to use the inequality and prove an end result or using one of my previous answers from previous questions to prove...

-4-13w3 v3 u +u4 w3 -2v8

Figuring how to use this?

A. Verticle asymtote at x=1, hole at x=0 holes at x=-1 and x=0, resembles y=x^2

does transmitter and receiver are present in mobile phone hardware

The floor of a dining hall is 16m long and 13m wide. A rectangular portion 1m wide all around the floor is to be fitted with green marble slabs. Find the area of the rectangular portion.&nb...

Kevin and Randy have a jar containing 87 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $11.75. How many of each type of coin do they have? The...

3. An oil company has two refineries. Each day, Refinery A produces 200 barrels of high-grade oil, 300 barrels of medium-grade oil, and 200 barrels of low-grade oil and costs $12,000 to operate. Each...

A sports ball has a diameter of 10 cm. Find the volume of the ball. Round your answer to 2 decimal places, and use 3.14 as an approximation of π Volume = cm^3

A box with a square base and open top must have a volume of 389344 cm3. We wish to find the dimensions of the box that minimize the amount of material used. a. First, find a formula...