Answer:
$900.40
Step-by-step explanation:
Multiply 827.95 by the sales tax rate of 0.0875 which gets you 72.445625. add 827.95 to this and round, giving you 900.40.
Answer:
She practiced a total of 64.5 hours
Step-by-step explanation:
Here, we need to know the number of hours practiced on both per day
Mathematically, that will be;
0.75 + 1.4 = 2.15 hours per day
So in 30 days ; the total number of hours will be
30 * 2.15 = 64.5 hours
Answer:
x = 7 , y = 2
Step-by-step explanation:
It is a linear equation in 2 variables so it can have infinite solutions
Put x=7 Then,
7 - 3y = 1
-3y = 1-7
-3y = -6
y = -6/-3 = 6/3
y = 2
Answer:
r= 6.4/(1+1.6sinθ)
Step-by-step explanation:
The polar equation of conics is given by
r(θ)= ed/(1 ± sin(θ)
if y=±d is the directrix
