If Morgan is 15 years younger then Mrs.Santos and there combined age is 442 that means that Mrs.Santos is 221, and Morgan is 206.
This question is gonna need the picture to go with it
Answer:
A) slope is -12
B)The rate of change is constant because for every 5 seconds the change is the same. For every 5 seconds, the height decreases by 60ft. The equation is y=12x+1210
Step-by-step explanation:
The system of equations of two unknowns is formulated and solved.
![\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left\{\begin{matrix} \ \ \ \dfrac{x}{y} = \dfrac{5}{7} \\ x^2+y^2 = 1184 \end{matrix}\right. \ \Longrightarrow \ x=\dfrac{5}{7}y } \end{gathered}$}](https://tex.z-dn.net/?f=%5Clarge%5Cdisplaystyle%5Ctext%7B%24%5Cbegin%7Bgathered%7D%5Csf%20%5Cbf%7B%20%5Cleft%5C%7B%5Cbegin%7Bmatrix%7D%20%5C%20%5C%20%5C%20%5Cdfrac%7Bx%7D%7By%7D%20%3D%20%5Cdfrac%7B5%7D%7B7%7D%20%5C%5C%20x%5E2%2By%5E2%20%3D%201184%20%5Cend%7Bmatrix%7D%5Cright.%20%5C%20%5CLongrightarrow%20%5C%20x%3D%5Cdfrac%7B5%7D%7B7%7Dy%20%20%7D%20%5Cend%7Bgathered%7D%24%7D)
![\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left (\dfrac{5}{7}y \right )^2+y^2=1184\ \Longrightarrow\ 25y^2+49y^2=58016 } \end{gathered}$}](https://tex.z-dn.net/?f=%5Clarge%5Cdisplaystyle%5Ctext%7B%24%5Cbegin%7Bgathered%7D%5Csf%20%5Cbf%7B%20%5Cleft%20%28%5Cdfrac%7B5%7D%7B7%7Dy%20%5Cright%20%29%5E2%2By%5E2%3D1184%5C%20%5CLongrightarrow%5C%2025y%5E2%2B49y%5E2%3D58016%20%7D%20%5Cend%7Bgathered%7D%24%7D)
![\large\displaystyle\text{$\begin{gathered}\sf \bf{74y^{2}=58016} \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{ \ \ \ \ \ \ y^{2}=784 } \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{ \ \ \ \ \ y=\pm\sqrt{784}=\pm28 } \end{gathered}$}](https://tex.z-dn.net/?f=%5Clarge%5Cdisplaystyle%5Ctext%7B%24%5Cbegin%7Bgathered%7D%5Csf%20%5Cbf%7B74y%5E%7B2%7D%3D58016%7D%20%5Cend%7Bgathered%7D%24%7D%5C%5C%5Clarge%5Cdisplaystyle%5Ctext%7B%24%5Cbegin%7Bgathered%7D%5Csf%20%5Cbf%7B%20%5C%20%5C%20%20%5C%20%5C%20%5C%20%5C%20y%5E%7B2%7D%3D784%20%7D%20%5Cend%7Bgathered%7D%24%7D%5C%5C%5Clarge%5Cdisplaystyle%5Ctext%7B%24%5Cbegin%7Bgathered%7D%5Csf%20%5Cbf%7B%20%5C%20%5C%20%5C%20%5C%20%5C%20y%3D%5Cpm%5Csqrt%7B784%7D%3D%5Cpm28%20%20%7D%20%5Cend%7Bgathered%7D%24%7D)
![\large\displaystyle\text{$\begin{gathered}\sf \bf{ x=\dfrac{5}{7}(\pm 28)=\pm 20 } \end{gathered}$}](https://tex.z-dn.net/?f=%5Clarge%5Cdisplaystyle%5Ctext%7B%24%5Cbegin%7Bgathered%7D%5Csf%20%5Cbf%7B%20x%3D%5Cdfrac%7B5%7D%7B7%7D%28%5Cpm%2028%29%3D%5Cpm%2020%20%20%7D%20%5Cend%7Bgathered%7D%24%7D)
The fraction that satisfies the request is
, since in
the negative signs are canceled and the first fraction is obtained.
Answer:
$4.03
Step-by-step explanation:
because 15% of 3.50 is 0.525
take 0.525 and round it up (0.53)
3.50 + 0.53 = $4.03