Answer:
-5x + 1y = -1
Step-by-step explanation:
move the 5x to the other side of the equal sign.
The x intercept is where y=0. If y=0, then 3x=18, so x=6. The y intercept is where x=0. If x=0, then 2y=18, so y=9.
Answer:
The two numbers are 8 and 5.
Step-by-step explanation:
Let consider x and y to be these two numbers.
So;
(x) * (y) = 40 ---- (1)
x + y = 13 ----- (2)
From (2), let x = 13 - y
Then;
(13 - y) * y = 40
13y - y² = 40
13y - y² - 40 = 0
-y² + 13y - 40 = 0
Multiply through by (-)
y² - 13y + 40 = 0
By factorization;
(y - 8) (y - 5) = 0
y = 8 or y = 5
CHECK:
8 * 5 = 40
8 + 5 = 13
Therefore, the two numbers are 8 and 5.
Answer:
It will take Superman 32.71 hours or 32 hours and 43 minutes
Step-by-step explanation:
Convert kilometers to meters
40,075 kilometers = 40,075,000 meters
Cross multiply
340.29x = 40,075,000
x = 117,767.19 seconds
Convert seconds to hours
Cross multiply again
3600x = 117767.19
x = 32.71 hours or 32 hours and 43 minutes
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