3 years ago

Find the width (w)of a rectangular room with a length (l) of 60 meters and an area (a) of 2,400 square meters

Mathematics

1 answer:

sdas [7]3 years ago

6 0

Answer:

The width of the room would be 40 meters

Step-by-step explanation:

To find this, start with the area formula.

A = LW

Now input the known length and area.

2400 = 60W

Now divide both sides by 60

40 = W

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timofeeve [1]

For the answer to the question above,
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3 years ago

Read 2 more answers

Consider the function f ( x ) = 1 − 4 x 2 on the interval [ − 1 , 3 ] . Find the average or mean slope of the function on this i

Blababa [14]

Answer:

The average slope is 8.

Step-by-step explanation:

Let <em>f</em> be defined on the closed interval [a, b]. The average slope of <em>f </em>between a and b is the quotient

average slope = $\frac{f(b)-f(a)}{b-a}$

To find the average slope of the function $f(x)=1-4x^2$ on the interval [-1, 3] you have to evaluate your function in the interval and then divide by the interval.

So,

$f(-1)=1-4(-1)^2=-3\\\\f(3)=1-4(3)^2=-35$

The average slope is $\frac{f(3)-f(-1)}{3+1}= \frac{-3+35}{3+1}=\frac{32}{4}=8$

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3 years ago