Answer:
75%
Step-by-step explanation:
y+x = 100%
x-25%=y
x-y=25%
X=25%-Y
75%
Answer:
(x + 4) × (2x - 5)
Step-by-step explanation:
- Begin by writing 3x as a difference
- 2x^2 + 8x - 5x - 20
- Factor out 2x from the expression
- 2x × (x + 4) - 5x - 20
- Factor out -5 from the expression
- 2x × (x + 4) - 5 (x + 4)
- Factor out x + 4 from the expression
- (x + 4) × (2x - 5)
Hope this helps!!
Answer:
To find a baseball pitcher's earned run average you can use the formula EI 9r
To find a baseball pitcher's earned run average (ERA), you can use the formula Ei=9r, where E represents ERA, i represents number of innings pitched, and r represents number of earned runs allowed.
Step-by-step explanation:
Step-by-step explanation:
x = father's age now
y = son's age now
x = 2y + 10
x - 20 = 5(y - 20) = 5y - 100
using the first in the second equation :
2y + 10 - 20 = 5y - 100
-10 = 3y - 100
90 = 3y
y = 30
x = 2y + 10 = 2×30 + 10 = 60 + 10 = 70
the father is now 70 years old, the son now 30 years old.
Answer:
Step-by-step explanation:
