What is an example of force causing a change in the size of the body (P.S. what is the difference between shape and size?)

Mathematics

1 answer:

Firlakuza [10]3 years ago

4 0

Answer:

shape is how it looks like Square is a shape and size is how big something in like my size of my foot is 6 inches

Step-by-step explanation:

well idk your real question i think it is that your shape and size can change

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Please help ASAP!!! <br><br> What is the sum of this series?

Katarina [22]

Answer:

Step-by-step explanation:

Since this is only three terms

Find the three terms and add

j=1 3(1)^2+1 = 3+1 =4

j=2 3(2)^2+1 = 3(4)+1 =13

j=3 3(9)^2+1 = 27+1 =28

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3 years ago

A peach orchard owner wants to maximize the amount of peaches produced by her orchard.

qaws [65]

Answer:

a) Y(x) = {900, x≤30; 900-40(x-30), x>30}

b) T(x) = {900x, x≤30; 2100x-40x², x>30}

c) dT/dx = {900, x≤30; 2100-80x, x>30}

Step-by-step explanation:

a) The problem statement gives the function for x ≤ 30, and gives an example of evaluating the function for x = 35. So, replacing 35 in the example with x gives the function definition for x > 30.

$\displaystyle Y(x)=\left\{\begin{array}{lcl}900&\text{for}&x\le 30\\900-40(x-30)&\text{for}&x>30\end{array}\right.$

b) The yield per acre is the product of the number of trees and the yield per tree:

T(x) = x·Y(x)

$\displaystyle T(x)=\left \{\begin{array}{lcl}900x&\text{for}&x\le 30\\2100x-40x^2& \text{for}&x>30\end{array}\right.$

c) The derivative is ...

$\displaystyle\frac{dT}{dx}=\left \{\begin{array}{lcl}900&\text{for}&x\le 30\\2100-80x& \text{for}&x>30\end{array}\right.$

_____

The attached graph shows the yield per acre (purple, overlaid by red for x<30), the total yield (black), and the derivative of the total yield (red). You will note the discontinuity in the derivative at x=30, where adding one more tree per acre suddenly makes the rate of change of yield be negative.