The area of a rectangle is 60 square meters. If the length is increased by 25 % and the width is increased by 10 % , what is the new area?
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09/01/19
find three consecutive integers
find three consecutive integers such that the sum of the first and twice the second is 122 minus three times the third.
08/31/19
A particle is moving
A particle is moving on the perimeter of a circle with radius r = 10 with angular speed of pi/3 radians per second. After completing 3 full rotations, the particle traveled for 2 more seconds and...
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08/31/19
After recieving an inheritance , a newly married couple invested $15250 for 10 years and recieved 9,150 in simple interest. What was the simple interest rate per year for the investment?
part 2 if that couple had been able to find an investment that paid 9% simple interest , how much more quickly would they have made that $9,150 in simple interest? State your answer in years and...
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08/30/19
Simple and compound interest
if you paid $54 to a loan company for the use of 1087 for 115 days what annual rate of interest did they charge (assume a 360 day year
08/30/19
Performance/Efficiency calculation
Hi, I want to calculate following. Instrument A perform 3500 tasks in 1820 minutes while instrument B perform 3500 tasks in 2380 minutes. I want to know as below
A has ........ % better then B?
B...
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08/30/19
Find the linear equation that relates the number of skaters to the temperature
The all weather ice-skating rink has determined that when the temperature is 32°F at 8 AM they can expect 100 skaters in the morning session. For each 5°F rise in temperature, seven fewer skaters...
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08/29/19
How many mL of the 90% solution will I need to add to obtain the desired solution? What are the steps to solving this kind of equation?
You need a 55% alcohol solution. On hand, you have a 210 mL of a 5% alcohol mixture. You also have 90% alcohol mixture. How much of the 90% mixture will you need to add to obtain the desired solution?
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