What is 3.2 times 10^negative 5 times 1.5 times 10^3 in scientific notation
1 answer:
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Answer:
x =
Decimal Form: 2.5
Step-by-step explanation:
1) First, you have to simplify 2 − 3x + 3 to −3x + 5.
−x = −3x + 5
2) Next, You add 3x to both sides.
−x + 3x = 5
3) Then, Simplify −x + 3x to 2x.
2x = 5
4) Lastly, you divide both sides by 2 and you're done!
x =
Decimal Form: 2.5
Answer:
C) I and III only
Step-by-step explanation:
Let full pool is denoted by O
Days Hose x takes to fill pool O = a
Pool filled in one day x = O/a
Days Hose y takes to fill pool O = b
Pool filled in one day y = O/b
Days Hose z takes to fill pool O = c
Pool filled in one day z = O/c
It is given that
a>b>c
Days if if x+y+z fill the pool together = d
1 day if x+y+z fill the pool together
I) d < c
d are days when hose x, y, z are used together where as c are days when only z is used so number of days when three hoses are used together must be less than c when only z hose is used. So d < c
III)
Using (1)
Similarly
So,