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Inverse Functions Sequence question.

I'm having trouble understanding this.

on which she is charged an annual yield of 21%. Putting $3,000 toward this would cut that debt to $1,850. Calculate the annual rate of return if she does this. Round, if necessary, to the nearest...

If 94% of the sound intensity inside the room is removed, the new sound level will sound what %as loud to people in the room?Round your answer to the nearest 1%

How many dB will be produced by a big-band section of 18 trumpets? Assume all trumpets produce an equal sound intensity and round your answer to the nearest 0.1 dB

loan which charges an annual interest rate of 9% (compounded monthly), it will take you 6 years to pay off your debt. If you owe $100,000 rather than $50,000 (and the loan type,interest rate and how...

Six years later, it is sold for $1,000,000. Calculate the total rate of return for this investment. (Hint: there are two components of this, which will need to be added together.)Round, if necessary,...

Hello I need help with a algebra problem

Select the product. 8/x-2*5/x-4

How do you solve this?

That's basically all there is, I just don't even know the first step to take please help.

When it is plugged in, it produces 82.5dB.
a) The plugged in sound intensity is how many times the previous (unplugged) intensity? Round your answer to the nearest integer.
b)...

The first monthly payment is to be made on May 3,2025; the final payment is scheduled to be made April 3, 2055.The monthly payment is $997.95 .[Note: If you use the table youâ€™ll get that the monthly...

on which she is charged an annual yield of 21%. Putting $3,000 toward this would cut that debt to $1,850. Calculate the annual rate ofreturnif she does this. Round, ifnecessary, to the nearest 0....

and half 40 years after the road had been completed if the road was still in good working order. Assume the annual yield is 2%. A contractor receives a contract to build a small road and will...

In March, a total of 2100 people have seen the band perform. In June of that same year, a total of 3150 people have seen the band perform. Assuming this pattern continues, how many people will have...

After a dreary day of rain, the sun peeks through the clouds and rainbow forms. You notice the rainbow is the shape of a parabola.
The equation for this parabola is y = -x^2 + 36.
Graph...

Assume all hand drums produce equal sound intensity, and round your answer to the nearest 1%

but you want them to sound approximately 1.5 times as loud to the audience. How many dB should the vocals be set to?Round your answer to the nearest 0.1 dB.