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...

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.

how many dB will be produced by three acoustic guitars playing that same piece simultaneously? Assume each acoustic guitar produces equal sound intensity. Round your answer to the nearest 0.1 dB....

What percent of the ambient sound intensity is still making it through? Round your answer to the nearest 1%

as compared with the old sound system’s 91 decibels. The new system produces what percent more sound intensity than the old system?Round your answer to the nearest 10%.

I am having trouble working a geometric equation backwards with ratios on the base length and height

I am stuck trying to properly simplify this equation to make it workable on my own. (volume equation for pyramids) 6=(1/3)Bh Where the height has a 2:3 ratio to the...

determine the dimensions of a cardboard box with volume 100 in^3 whose height is 4 inches greater than its width which is 2 inches greater than its depth

Kevin and Randy Muise have a jar containing 72 coins, all of which are either quarters or nickels. The total value of the coins in the jar is ?$13.40. How many of each type of coin do they...

Jen Butler has been pricing Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 101. Two adults and three children must pay $ 72. Find...

Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 11?% hydrochloric acid solution. Find the amount of 14?% solution and the amount of 7?% solution she should mix to get this solution...

(ks*m2 )/s To (k*m2)/s2

A fruit stand salesman had an equal number of papayas and apples for sale. he packed the papayas equally into 10 boxes and the apples equally into 6 boxes. By midday he had sold 6 boxes of papayas...

A farmer has horses, goats and chicken on his farm. The number of horses is double the number of goats, The number of chickens is 5 times the number of goats. The animals have a total of 44 legs....

...

f(x)=3/(x+2)+1

3 f(x) = ______ +1 x + 2

x-2y=3 2x-3y=9

to create an entry code for a push-button door lock, you need to first choose a letter and then, three single-digit numbers. how many entry codes can you create?

Evaluate S5 for 300+150+75+...

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