Answer:
D.$925
Step-by-step explanation:
$22 x 40 = $880
$880 + $45 =$925
Answer:
x^2 - 2
Step-by-step explanation:
The correct procedure would have been to distribute the negative to the +4 also, so you would have +2 - 4 = -2 so the final answer should have been
x^2 - 2
Answer:
![x=\frac{10}{7},\:y=-\frac{5}{7}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7B10%7D%7B7%7D%2C%5C%3Ay%3D-%5Cfrac%7B5%7D%7B7%7D)
Step-by-step explanation:
![\begin{bmatrix}-3x+y=-5\\ 3x+6y=0\end{bmatrix}\\\\\mathrm{Isolate}\:x\:\mathrm{for}\:-3x+y=-5:\quad x=-\frac{-5-y}{3}\\\\\mathrm{Subsititute\:}x=-\frac{-5-y}{3}\\\\\begin{bmatrix}3\left(-\frac{-5-y}{3}\right)+6y=0\end{bmatrix}\\\\Simplify\\\\\begin{bmatrix}5+7y=0\end{bmatrix}\\\\\mathrm{Isolate}\:y\:\mathrm{for}\:5+7y=0:\quad y=-\frac{5}{7}\\\\\mathrm{For\:}x=-\frac{-5-y}{3}\\\\\mathrm{Subsititute\:}y=-\frac{5}{7}\\\\x=-\frac{-5-\left(-\frac{5}{7}\right)}{3}](https://tex.z-dn.net/?f=%5Cbegin%7Bbmatrix%7D-3x%2By%3D-5%5C%5C%203x%2B6y%3D0%5Cend%7Bbmatrix%7D%5C%5C%5C%5C%5Cmathrm%7BIsolate%7D%5C%3Ax%5C%3A%5Cmathrm%7Bfor%7D%5C%3A-3x%2By%3D-5%3A%5Cquad%20x%3D-%5Cfrac%7B-5-y%7D%7B3%7D%5C%5C%5C%5C%5Cmathrm%7BSubsititute%5C%3A%7Dx%3D-%5Cfrac%7B-5-y%7D%7B3%7D%5C%5C%5C%5C%5Cbegin%7Bbmatrix%7D3%5Cleft%28-%5Cfrac%7B-5-y%7D%7B3%7D%5Cright%29%2B6y%3D0%5Cend%7Bbmatrix%7D%5C%5C%5C%5CSimplify%5C%5C%5C%5C%5Cbegin%7Bbmatrix%7D5%2B7y%3D0%5Cend%7Bbmatrix%7D%5C%5C%5C%5C%5Cmathrm%7BIsolate%7D%5C%3Ay%5C%3A%5Cmathrm%7Bfor%7D%5C%3A5%2B7y%3D0%3A%5Cquad%20y%3D-%5Cfrac%7B5%7D%7B7%7D%5C%5C%5C%5C%5Cmathrm%7BFor%5C%3A%7Dx%3D-%5Cfrac%7B-5-y%7D%7B3%7D%5C%5C%5C%5C%5Cmathrm%7BSubsititute%5C%3A%7Dy%3D-%5Cfrac%7B5%7D%7B7%7D%5C%5C%5C%5Cx%3D-%5Cfrac%7B-5-%5Cleft%28-%5Cfrac%7B5%7D%7B7%7D%5Cright%29%7D%7B3%7D)
![-\frac{-5-\left(-\frac{5}{7}\right)}{3}=\frac{10}{7}\\\\x=\frac{10}{7},\:y=-\frac{5}{7}\\\\](https://tex.z-dn.net/?f=-%5Cfrac%7B-5-%5Cleft%28-%5Cfrac%7B5%7D%7B7%7D%5Cright%29%7D%7B3%7D%3D%5Cfrac%7B10%7D%7B7%7D%5C%5C%5C%5Cx%3D%5Cfrac%7B10%7D%7B7%7D%2C%5C%3Ay%3D-%5Cfrac%7B5%7D%7B7%7D%5C%5C%5C%5C)
I think the answer would be 23.9 because if you 12.4 with 11.5 you would get 23.9.
We would apply the formula for calculating simple interest which is expressed as
I = PRT
where
I is interest after time t
P is the principal or initial amount
R is the interest rate
T is the time in years
From the information given,
P = 52600
R = 8.5/100 = 0.085
t = 82 days
We need to convert 82 days to years. Recall,
365 days = 1 yr
82 days = 82/365 = 0.2246575
Thus, t = 0.2246575 year
Substituting these values into the formula, we have
I = 52600 x 0.085 x 0.2246575
I = 1004.44
The interest is $1004.44