Answer:
x = -1, y = 7 , z = 5.
Step-by-step explanation:
-7x - 2y + z = -2 .........(1)
6x - y - z = -18........(2)
5x + 4y - z= 18..........(3)
Subtract equations (2) - (3):
x - 5y = -36.........(4)
Add equations (1) and (2):
-x - 3y = -20.......(5)
Adding (4) and (5):
-8y = -56
y = 7.
Substitute y = 7 into equation 4:
x - 5(7) = -36
x - 35 = -36
x = -1.
Substitute x = -1 and y = 7 in equation (1):
-7(-1) - 2(7) + z = -2
7 - 14 + z = -2
z = -2 - 7 + 14
z = 5.
One drum set is 19 pounds and what's avaivable left to caryy is 250 so divide and there you go.
Answer: -6
Step-by-step explanation:
2/3 + n + 6 = 3/4
-2/3 -2/3
n + 6 = 1/12
-6 -6
n = - 6
Answer:
3/5 is expressed as 60% in terms of Percentage.
Let's convert the fraction 3/5 into percent. Now, 60/100 is expressed as 65% in terms of percentage.
He had $5,000,000 in CD sales; $3,300,000 in video sales; and he earned $1,245,000 in royalties.
1,000,000 CDs * $5 each = $5,000,000
550,000 videos * $6 each = $3,300,000
Total sales = 5,000,000+3,300,000 = 8,300,000
15% royalties = 0.15(8,300,000) = 1,245,000
