To set up the equation you would take x and add the nine pounds that Charlie weighs more than his brother and the set that equal to 99. Your equation would be X+9=99. If you wanted to take it a step further and solve the equation you would distract 9 from both sides which means that x=90
Answer:
3
Step-by-step explanation:
duh
Answer:
u=5.23
Step-by-step explanation:
![\frac{17}{13} =\frac{u}{4}\\13u=68~by~cross-multiplication\\u=5.23~rounded~to~the~nearest~hundreds](https://tex.z-dn.net/?f=%5Cfrac%7B17%7D%7B13%7D%20%3D%5Cfrac%7Bu%7D%7B4%7D%5C%5C13u%3D68~by~cross-multiplication%5C%5Cu%3D5.23~rounded~to~the~nearest~hundreds)
Answer: ![\bold{d)\quad y = 3 cos (\dfrac{4}{3}x-2\pi) + 2}](https://tex.z-dn.net/?f=%5Cbold%7Bd%29%5Cquad%20y%20%3D%203%20cos%20%28%5Cdfrac%7B4%7D%7B3%7Dx-2%5Cpi%29%20%2B%202%7D)
<u>Step-by-step explanation:</u>
![\text{Period = }\dfrac{2\pi}{B}\\\\\\\dfrac{1}{2}\text{Period = }\dfrac{1}{2}\cdot \dfrac{2\pi}{B}\quad =\dfrac{2\pi}{2B}\\\\\\\text{In the given equation, B = }\dfrac{2}{3}\implies 2B=\dfrac{2\cdot 2}{3}\quad =\dfrac{4}{3}\\](https://tex.z-dn.net/?f=%5Ctext%7BPeriod%20%3D%20%7D%5Cdfrac%7B2%5Cpi%7D%7BB%7D%5C%5C%5C%5C%5C%5C%5Cdfrac%7B1%7D%7B2%7D%5Ctext%7BPeriod%20%3D%20%7D%5Cdfrac%7B1%7D%7B2%7D%5Ccdot%20%5Cdfrac%7B2%5Cpi%7D%7BB%7D%5Cquad%20%3D%5Cdfrac%7B2%5Cpi%7D%7B2B%7D%5C%5C%5C%5C%5C%5C%5Ctext%7BIn%20the%20given%20equation%2C%20B%20%3D%20%7D%5Cdfrac%7B2%7D%7B3%7D%5Cimplies%202B%3D%5Cdfrac%7B2%5Ccdot%202%7D%7B3%7D%5Cquad%20%3D%5Cdfrac%7B4%7D%7B3%7D%5C%5C)
The only option that has B = 4/3 is the last one.
Answer:
+9
Step-by-step explanation:
k-9=10
the opposite of -9 is +9
k=19
hope this helps x
brainliest plzz