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3 years ago

On a number line, what is the unit distance between –11 and 3?

Mathematics

2 answers:

Gala2k [10]3 years ago

8 0

Answer:

Step-by-step explanation:

if you take 14 - 11 it equals 3 so that is a for sure hard 14

kumpel [21]3 years ago

3 0

The answer is 14

explanation answer: 14

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Step-by-step explanation:

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3 years ago

The width of a rectangle is increasing at a rate of 5 inches per second and its length is increasing at the rate of 9 inches per

Marianna [84]

Answer:

The area of rectangle is changing at the rate of 33 square inches per second.

Step-by-step explanation:

We are given the following information:

Let W be the width of the rectangle and L be the length of rectangle.

Rate of change of width = $\frac{dW}{dt} = 5\text{ inches per second}$

Rate of change of length = $\frac{dL}{dt} = 9\text{ inches per second}$

We have to find rate of change of area at W = 2 and L = 3.

Rate of change of area = $\frac{dA}{dt}$

Area of rectangle = Length × Width

$\frac{dA}{dt} = \frac{d(LW)}{dt} = L\frac{dW}{dt} + W\frac{dL}{dt}$

Putting the values, we get

$\frac{dA}{dt} = 3(5) + 2(9) = 33\text{ square inches per second}$

The area of rectangle is changing at the rate of 33 square inches per second.

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3 years ago