What is the correct step to solve for the variable? 15 = m - 5
2 answers:
Answer:
Step-by-step explanation:
Hi there! I'm glad I was able to help you!
There's only one step to solving for the variable, but first, I'd like to flip the equation over so that it's easier to solve.
Now we're ready to solve.
Our first (and only) step: Add 5 to both sides of the equation.
The top part cancels itself out, since negative 5 plus a positive 5 gives us zero, nothing.
Now, we are left with 15 + 5, which leaves us with:
I hope this helped you! Leave a comment below if I could help you with anything else! :)
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<u>Corrected Question</u>
Suppose the value R(d) of d dollars in euros is given by . The cost in dollars to purchase and ship n purses is given by P(n)=66n+23. Write a formula for the cost, Q(n) in euros to purchase and ship n purses.
Answer:
Step-by-step explanation:
The value R(d) of d dollars in euros is given by
Therefore:
The cost P(n) in dollars to purchase and ship n purses is given by:
Therefore, the cost, Q(n) in euros to purchase and ship n purses
From the given function, to explain the correct answer I will plot the graph for :
y(t)=-t^2+14t-40
thus the graph will be as shown in the figure:
From the graph we deduce that the correct statement is:
y'(t)=-2t+14=0
thus
t=7
thus
y(7)=0
thus the correct statement is:
<span>c. The average rate of change over the interval 6≤t≤8 is 0</span>
y(t)=-t^2+14t-40
thus the graph will be as shown in the figure:
From the graph we deduce that the correct statement is:
y'(t)=-2t+14=0
thus
t=7
thus
y(7)=0
thus the correct statement is:
<span>c. The average rate of change over the interval 6≤t≤8 is 0</span>