Answer:
x=-1, y=-3. (-1, -3).
Step-by-step explanation:
x+y=-4
3x-6y=15
---------------
x=-4-y
3(-4-y)-6y=15
-12-3y-6y=15
-12-9y=15
9y=-12-15
9y=-27
y=-27/9
y=-3
x+(-3)=-4
x-3=-4
x=-4+3
x=-1
Answer:
$3780
Step-by-step explanation:
Salary per month = $10500
Expense on food
= 36% of the monthly salary
= 36% of $10500
= (36/100) × $10500
= 36 × $105
= $3780
So, they spend $3780 on food per month.
Answer:
4/13 is the answer
total = 4+3+5+1= 13
let a be the event of getting red marbles= total is 4
probability=4/13
Answer:
First one would be D (( A'(-3,-6), B'(-5,-4), C'(0,-4) ))
The second would be D (( A'(-15,8), B'(-4,5), C'(-9,6) )) as well
Answer:
$1079.10
Step-by-step explanation:
STEP 1: Multiply $990 by Sales tax.
STEP 2: Add Sales tax with $990
STEP 3: Solve-($1079.10)