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2 years ago

This box is 3/4 inch long, 1/2 inch wide, and 1 /4inch deep. What is the volume of the box?

Mathematics

2 answers:

Aliun [14]2 years ago

8 0

Answer:

Volume = 3/4 x 1/2 x 4 = 3/2 inches³

dedylja [7]2 years ago

5 0

The volume of the box is 0.09375 inches cube.

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Solve the system of linear equations. separate the x- and y- values with a coma. -9x+2y=-7

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Y = 1, x = 1 hope this helps!

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2 years ago

Which of the following tables represents a proportional relationship?

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The correct answer is the second from the top.

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3 years ago

2/5gal fill up 3/4 of a tank how many gallons will it take

Olin [163]

Answer:

8/15 gallons or 0.5333 gallons

Step-by-step explanation:

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2 years ago

A rancher wants to fence in an area of 1500000 square feet in a rectangular field and then divide it in half with a fence down t

VLD [36.1K]

Answer:

6000 ft

Step-by-step explanation:

Let length of rectangular field=x

Breadth of rectangular field=y

Area of rectangular field= $1500000$ square ft

Area of rectangular field= $l\times b$

Area of rectangular field= $x\time y$

$1500000=xy$

$y=\frac{1500000}{x}$

Fencing used ,P(x)= $x+x+y+y+y=2x+3y$

Substitute the value of y

P(x)= $2x+3(\frac{1500000}{x})$

$P(x)=2x+\frac{4500000}{x}$

Differentiate w.r.t x

$P'(x)=2-\frac{4500000}{x^2}$

Using formula: $\frac{dx^n}{dx}=nx^{n-1}$

$P'(x)=0$

$2-\frac{4500000}{x^2}=0$

$\frac{4500000}{x^2}=2$

$x^2=\frac{4500000}{2}=2250000$

$x=\sqrt{2250000}=1500$

It is always positive because length is always positive.

Again differentiate w.r.t x

$P''(x)=\frac{9000000}{x^3}$

Substitute x=1500

$P''(1500)=\frac{9000000}{(1500)^3}>0$

Hence, fencing is minimum at x=1 500

Substitute x=1 500

$y=\frac{1500000}{1500}=1000$

Length of rectangular field=1500 ft

Breadth of rectangular field=1000 ft

Substitute the values

Shortest length of fence used= $2(1500)+3(1000)=6000 ft$

Hence, the shortest length of fence that the rancher can used=6000 ft

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3 years ago

Can someone please help me

babymother [125]

Answer:

Its a i just took the test

Step-by-step explanation:

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2 years ago