Answer:
Part A is ≤ means less than OR equal to. < only means less than
Part B is 9
Step-by-step explanation:
A: Because it would equal 19, and 19 is equal than 19. 4(5) - 1 would equal 19, which is equal to 19, and not less than. ≤ means less than or equal to. < means less than. So its not true.
B: 47 - 2, 45. Then 5 x 9 equals 45. So 5 x 9 equals 45, then add 2 would equal 47.
What that person said ^^^^
Answer:
See attachment for graph
Step-by-step explanation:
<em>See comment for correct question</em>
Given

Required
The corresponding points on 
On the graph, we have:





First, we solve for b in 
Using laws of logarithm, the equivalent of the above is:

implies that:


Rewrite as:

So, the equation
becomes:

Using the same values of x, we have:





<em>See attachment for graph</em>
Answer:
Step-by-step explanation:
I can't see
There is 28.57% error in Sydney's calculations.
Step-by-step explanation:
Given,
John's prediction = Approx value = 5 days
Actually snowed = Exact value = 1 week = 7 days
Percent error = 

There is 28.57% error in Sydney's calculations.
Keywords: percent, error, division
Learn more about error at:
#LearnwithBrainly