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3 years ago

Question 9 (1 point) Which of the following does NOT describe mass?

Mathematics

2 answers:

Brums [2.3K]3 years ago

7 0

The answer is a measure of gravitational force

oksian1 [2.3K]3 years ago

3 0

C. A measure of gravitational force

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What is the area of a triangle with 13 x 13 x 10?

Ksenya-84 [330]

The area of a triangle with the dimensions of 13 X 13 X 10 is 65.

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3 years ago

An open-top box with a square base is to have a volume of 4 cubic feet. Find the dimensions of the box (in ft) that can be made

Lemur [1.5K]

Answer:

The dimension of box= $2ft\times 2ft\times 1ft$

Step-by-step explanation:

We are given that

Volume of box=4 cubic feet

Let x be the side of square base and h be the height of box

Volume of box= $lbh=x^2h$

$4=x^2h$

$h=\frac{4}{x^2}$

Now, surface area of box,A= $x^2+4xh$

$A=x^2+4x(\frac{4}{x^2})=x^2+\frac{16}{x}$

$\frac{dA}{dx}=2x-\frac{16}{x^2}$

$\frac{dA}{dx}=0$

$2x-\frac{16}{x^2}=0$

$2x=\frac{16}{x^2}$

$x^3=8$

$x=2$

$\frac{d^2A}{dx^2}=2+\frac{32}{x^3}$

Substitute x=2

$\frac{d^2A}{dx^2}=2+\frac{32}{2^3}=2+4=6>0$

Hence, the area of box is minimum at x=2

Therefore, side of square base,x=2 ft

Height of box,h= $\frac{4}{2^2}=1 ft$

Hence, the dimension of box= $2ft\times 2ft\times 1ft$

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3 years ago

How can you find the area of an irregular polygon using area formulas?

algol [13]

Divide the polygon into separate shapes. Like a rectangle and then a triangle.
find the areas of those shapes and then add them together.

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3 years ago

7x - 22 = 41<br> Im having trouble with this problem

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Answer:

x = 9

Step-by-step explanation:

............................

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3 years ago

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The answer is 36in because that’s the pathagreom you need to use to find the answer

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4 years ago