New pump:
5 hours = 1 pool
1 hour = 1/5 pool
Old pump:
15h = 1 pool
1h = 1/15 pool
If both work together
1h = 1/5 + 1/15 = 4/15 pool
4/15 pool = 1 hour
1/15 pool = 1/4 hour
15/15 pool = 1/4 x 15
1 pool = 3.75 hours or 3 hours 45 mins
1. Original equation
2.Distributive property
3. Add 6x to each side
4. Subtract 2 from each side
5. Divide each side by 11
<span>
3 1/2 = 7/2
7/2 hours and used 1/3 tank of gas
</span><span>? hours and used 1/2 tank of gas
1/2 * 7/2
------------
1/3
= 7/4
-------
1/3
= 7/4 * 3
= 21/4
= 5 1/4
answer: 5 1/4 hours </span><span>Tanya could drive using 1/2 tank of gas</span><span>
</span>
Answer:
angles 3, 1, 7, 5
Step-by-step explanation:
suplementary angles add up to 180 degrees so
<4 + <3=180
<4 + <1 =180
<4 + <7=180
<4 + <5= 180
Answer: not a function; domain-2,-1,1 ; range-2,0,2,3
Step-by-step explanation: