Step-by-step explanation:
√a is defined only when a >= 0.
Therefore for √4x * √(x + 2) to be defined, both 4x and x + 2 must be non-negative.
When 4x >= 0, x >= 0.
When x + 2 >= 0, x >= -2.
x >= 0 and x >= -2, therefore we have x >= 0. (D)
Answer:
75 gallons
Step-by-step explanation:
15gal PER 1 min
__gal PER 5 mins
To solve this, I would do 15 x 5. That gets me to 75 gallons.
Hope this helps :D
Answer:
C. $10.00
Step-by-step explanation:
She has to pay which ever is greater.
To get whichever is greater you need to check what 2% of her last billing cycle. That would be done by multiplying .02 and 360. That equals $7.20.
10>7.20 and therefore the answer would be 10 dollars aka C.
Answer:
1/5 of 9 feet answer
Step-by-step explanation:
20% of 3 yards
20% of 9 feet
0.2*9
0.2=2/10
2/10=1/5
Answer: See the explanation below.
A frequency table is a way to organize data. We create bins (intervals) to collect the data. Then, we give the frequency (number) of data values in each interval.
Here is an example of how you could sort this data.
Interval: Frequency:
0 - 1 7
2 - 3 7
4 - 5 1