Cindy received a bank statement reporting the recent changes to her
2 answers:
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Answer: (a) e ^ -3x (b)e^-3x
Step-by-step explanation:
I suggest the equation is:
d/dx[integral (e^-3t) dt
First we integrate e^-3tdt
Integral(e ^ -3t dt) as shown in attachment and then we differentiate the result as shown in the attachment.
(b) to differentiate the integral let x = t, and substitute into the expression.
Therefore dx = dt
Hence, d/dx[integral (e ^-3x dx)] = e^-3x
Answer:
The width of the sandbox is .
Step-by-step explanation:
Given,
Area of the sandbox =
Length =
Solution,
Let the width of the sandbox be 'w'.
Since the sandbox is in shape of rectangle.
So we use the formula of area of rectangle.
On substituting the given values, we get;
By cross multiplication method, we get;
Hence The width of the sandbox is .