Answer:
2 2/35 hours
Step-by-step explanation:
In 1 hour, the total amount of the house that is painted is ...
1/8 + 1/4 + 1/9 = 35/72 . . . of a house
We need to multiply the time (1 hour) by 72/35 to find the number of hours required for one entire house:
72/35(1 h) = 2 2/35 h
It would take them 2 2/35 hours to paint the house working together.
Answer:
Step-by-step explanation:
Cancel out 6 in both numerator and denominator.
Rationalize the denominator of by multiplying the numerator and denominator by .
The square of is 2
Factor 14=2 × 7. Rewrite the square root of the product as the product of square roots .
Multiply and to get 2.
Cancel out 2 and 2.
Hope it helps and have a great day! =D
Answer:
1 possible value for d is 5 metres and for w, 32kg.
Answer:
20x30xH=7000
11.6666 , depends on how much you need to round it. if 2 sig figs, round it to 12.