Answer:
Billy's salary should be $14,700, including the 5% increase.
Answer:
It’s b
Step-by-step explanation:
Just think
Answer:
Friday is the hottest, and Thursday was the coolest so here it is.. 75.5,75.45, and 75.05
Step-by-step explanation:
Just look at the temperatures and the 5 is larger than the .45 because its basically a "4.5". :)
Answer:
The answer is 0.7
Step-by-step explanation:
First one
limits of inegration are x=5 and 9
![\pi \int\limits^9_5 { (\frac{1}{x})^2 } \, dx](https://tex.z-dn.net/?f=%5Cpi%20%20%5Cint%5Climits%5E9_5%20%7B%20%28%5Cfrac%7B1%7D%7Bx%7D%29%5E2%20%7D%20%5C%2C%20dx%20)
and
![\int\limits^9_5 { (\frac{1}{x})^2 } \, dx= [ \frac{-1}{x}] ^9_5= \frac{4}{45}](https://tex.z-dn.net/?f=%20%5Cint%5Climits%5E9_5%20%7B%20%28%5Cfrac%7B1%7D%7Bx%7D%29%5E2%20%7D%20%5C%2C%20dx%3D%20%5B%20%5Cfrac%7B-1%7D%7Bx%7D%5D%20%5E9_5%3D%20%5Cfrac%7B4%7D%7B45%7D%20)
so
![\pi \int\limits^9_5 { (\frac{1}{x})^2 } \, dx = \pi \frac{4}{45}= \frac{\pi 4}{45}](https://tex.z-dn.net/?f=%5Cpi%20%20%5Cint%5Climits%5E9_5%20%7B%20%28%5Cfrac%7B1%7D%7Bx%7D%29%5E2%20%7D%20%5C%2C%20dx%20%3D%20%5Cpi%20%5Cfrac%7B4%7D%7B45%7D%3D%20%5Cfrac%7B%5Cpi%204%7D%7B45%7D%20)
A is answer
2.
limits are x=0 and 8
![\pi \int\limits^8_0 { (\frac{1}{\sqrt{x+11}})^2 } \, dx](https://tex.z-dn.net/?f=%5Cpi%20%20%5Cint%5Climits%5E8_0%20%7B%20%28%5Cfrac%7B1%7D%7B%5Csqrt%7Bx%2B11%7D%7D%29%5E2%20%7D%20%5C%2C%20dx%20)
![\int\limits^8_0 { (\frac{1}{\sqrt{x+11}})^2 } \, dx=\int\limits^8_0 { \frac{1}{x+11} } \, dx=[ln|x+11|]^8_0=ln \frac{19}{11}](https://tex.z-dn.net/?f=%5Cint%5Climits%5E8_0%20%7B%20%28%5Cfrac%7B1%7D%7B%5Csqrt%7Bx%2B11%7D%7D%29%5E2%20%7D%20%5C%2C%20dx%3D%5Cint%5Climits%5E8_0%20%7B%20%5Cfrac%7B1%7D%7Bx%2B11%7D%20%7D%20%5C%2C%20dx%3D%5Bln%7Cx%2B11%7C%5D%5E8_0%3Dln%20%5Cfrac%7B19%7D%7B11%7D%20)
so
![\pi \int\limits^8_0 { (\frac{1}{\sqrt{x+11}})^2 } \, dx= \pi ln \frac{19}{11}](https://tex.z-dn.net/?f=%5Cpi%20%20%5Cint%5Climits%5E8_0%20%7B%20%28%5Cfrac%7B1%7D%7B%5Csqrt%7Bx%2B11%7D%7D%29%5E2%20%7D%20%5C%2C%20dx%3D%20%5Cpi%20ln%20%5Cfrac%7B19%7D%7B11%7D%20)
answer is D