7^4 or seven to the fourth power because 7 is being multiplied by 7 when you raise it to a power.
Answer:
1/20 of 2 minutes = 6 seconds
Answer:
the gross value is for 17 a hour
Step-by-step explanation:
Answer:
x = 110, y = 153.
Step-by-step explanation:
4x - 3y = -19 Multiply by 2
3x - 2y= 24 Multiply by 3.
8x - 6y = -38
9x - 6y = 72 SUBTRACT
-x = - 110
x = 110
Substitute for x :
3(110) - 2y = 24
2y =330 - 24
2y = 306
y = 153.
Work in fractions of the pool the pumps can drain per hour:-
1/6 + 1/4 = 1/x where x is the time to drain the pool by the 2 pumps together
4x + 6x = 24
10x = 24
x = 2.4 hours <===== answer
