Which expression is equivalent?
1 answer:
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Question 33
Answer:
f(x) = 40(1.1699)x
Step-by-step explanation:
Using the properties of exponents the term (1.04)^4x can be re-written as;
The term in the brackets is equivalent to;
1.1699
Thus the function is equivalent to;
Question 34
Answer:
x < the quantity negative 2 times b plus 8 all over negative 3; Choice A
Step-by-step explanation:
The first step is to subtract 2b from both sides of the inequality;
-3x > -2b+8
The final step is to divide by -3 to solve for x;
Question 35
Answer:
Billion gallons per day, because the independent quantity is time in days and dependent quantity is volume of water in billion gallons; Choice C
Step-by-step explanation:
Time variable in any analysis is considered an independent or predictor variable since time is not influenced by the other variables under study.
In this case, the volume of water is the response or the dependent variable.
Question 36
Answer:
Commutative Property of Addition; Choice B
Step-by-step explanation:
The Commutative Property of Addition simply states that;
Question 37
Answer:
F = 9 over 5C + 32; Choice A
Step-by-step explanation:
To solve for F in the expression;
We first multiply both sides by 9/5;
The final step is to add 32 to both sides of the equation;
Answer:
Step-by-step explanation:
Given that a group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below.
Data set is as ollows:
70 79 38 63 44 23 62 61 67 50 61 70 94 87 65
H0: mu = 60 sec
Ha: mu not equals 60 sec
Mean diff = 2.27
Test statistic = 2.27/SE =0.4815
p value =0.6376
Since p>0.05, we accept null hypothesis
i.e. there is statistical evidence to say that students are reasonably good at estimating one minute