Step-by-step explanation:
given
a = - 3
3a² = 3 * ( -3) ²
= 3 * 9
= 27
The value of 3a² is 27.
Answer:
4 gallons with 65% soultion
Step-by-step explanation:
1. add the number of gallons together to find the total amount of the liquid in this case 4 gal.
2. Find the amount of solution in each part. In this case from the 3 gal there is 2.4 solution and for the 1 gal its 0.2 solution. I found this by finding the percentage.
3. Next, add the amounts of solution together to get 2.6 solution in all.
4. lastly, caluculate how much percent 2.6 is out of the total 4 gals.When you do this in all you get 4 gal with a 65% solution.
Answer:
From greatest to least
One and five-sixth rounded to 2
One and StartFraction 7 over 29 rounded to 1
0.16 rounded to 0
Step-by-step explanation:
1+7/29=29+7/29
=36/29
=1.24
Approximately
=1
1+5/6=6+5/6
=11/6
=1.83
Approximately
=2
0.16
Approximately =0
From greatest to least
One and five-sixth rounded to 2
One and StartFraction 7 over 29 rounded to 1
0.16 rounded to 0
Answer:
<em>r</em>=2<em>p</em>
Step-by-step explanation:
If <em>r </em>is ruler and <em>p </em>is pen, ruler equals pen times 2, so its <em>r</em>=2<em>p</em>