Answer:
To find the average rate of change, we divide the change in the output value by the change in the input value.
Step-by-step explanation:
Answer:
● 
Step-by-step explanation:
According to the Definition of Rational Exponents [part I], you can rewrite radicals as exponents:
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The answer is the square root of 18 or 4.242
Answer:
two and one third + 2x ≥ 4
Step-by-step explanation:
From the information given:
The number of hours Nicole already practiced with = 
However, she wants to further her practice for 2 days and make sure that each day equal each other
Let consider y be the hours she practiced each day
Then, the number of hours she will practice in two days will be 2y
Thus, the total number of hours she practiced can be computed as
= 
Suppose Nicole desire to practiced for at least 4 hours,
Then,

Therefore, the required inequality to determine the minimum number of hours she needs to practice on each of the 2 days suppose she practiced for at least 4 hours a day is:
two and one third + 2x ≥ 4 i.e. 
Answer:
We need to solve each equation:
1. 2x - 5 = x
2x - x = 5
x = 5 ✅
2. -3b + 1 = 3b -5
5 + 1 = 3b + 3b
6 = 6b
b = 1 ✅
3. (1/2)t + 7 = (3/2)t - 4
t + 14 = 3t - 8
2t = 22
t = 11 ✅
4. -2.3 + 1.2x = 5.9 - 2.9x
2.9x + 1.2x = 5.9 + 2.3
4.1x = 8.2
x = 2 ✅
5. -7y -21 = -3y - 21
-21 + 21 = -3y + 7y
0 = 4y
y = 0 ✅