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2 years ago

I need help pleaseeee

Mathematics

2 answers:

lana [24]2 years ago

7 0

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juin [17]2 years ago

4 0

110 people total osxiwsijxjshsjxbsissiwsjjixbshsoxjsbzh

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An artist cuts 4 squares with side length x ft from the corners of a 12 ft-by-18 ft rectangular piece of sheet metal. She bends

Kruka [31]

Answer:

$V=4x^3-60x^2+216x$

Step-by-step explanation:

<u>Volume And Function s</u>

Geometry can usually be joined with algebra to express volumes as a function of some variable. The volume of a parallelepiped of dimensions a,b,c is

$V=abc$

Our problem consists in computing the volume of a box made with some sheet of metal 12 ft by 18 ft. The four corners are cut by a square distance x as shown in the image below .

If the four corners are to be lifted and a box formed, the base of the box will have dimensions (12-2x)(18-2x) and the height will be x. The volume of the box is

$V=x(12-2x)(18-2x)$

Operating and simplifying

$V=4x^3-60x^2+216x$

8 0

3 years ago

What is the answer to 1935 divided by 54

Degger [83]

35.833

0 0 3 5. 8 3 3

5 4 1 9 3 5. 0 0 0

− 0

1 9

− 0

1 9 3

− 1 6 2

3 1 5

− 2 7 0

4 5 0

− 4 3 2

1 8 0

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1 8 0

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1 8

7 0

3 years ago

You are in a bike race. When you get to the first checkpoint you are 2/5 of the distance away to the second checkpoint. When you

gizmo_the_mogwai [7]

the answer is 1/4 of a distance away

6 0

2 years ago

Read 2 more answers

A $16,000 robot depreciates linearly to zero in 10 years. (a) find a formula for its value as a function of time, t, in years.

SVETLANKA909090 [29]

We are given, cost of the robot for 0 number of year = $16,000.

0 represents initial time of the robot.

After 10 year cost of the robot is = $0

The problem is about the number of the years and cost of the robot over different number of years.

So, we could take x coordinate by number of hours and y coordinate for y number of hours.

So, from the problem, we could make two coordinates for the given situation.

(x1,y1) = (0, 16000) and (x2,y2) = (10, 0).

In order to find the function of time, we need to find the rate at which robot rate depreciates each year.

Slope is the rate of change.

So, we need to find the slope of the two coordinates we wrote above.

We know, slope formula

$Slope (m) = \frac{y2-y1}{x2-x1}$

Plugging values in formula, we get

$m=\frac{0-16000}{10-0} = \frac{-16000}{-10} = -1600.$

Brecasue of depreciation we got a negative number for slope or rate of change.

Therefore, rate of depreciation is $1600 per year.

We already given inital cost, that is $16,000.

So, we can setup an a function

f(x) = -1600x + 16000.

But the problem is asked to take the variable t for time.

Replacing x by t, we get

f(t) = -1600t + 16000.

8 0

3 years ago

Which of the following are properties of the circumcenter of a triangle? Check all that apply.

kakasveta [241]

Answer:

A) The circumcenter of a right triangle falls on the side opposite the right angle

B) The circumcenter is at the intersection of the perpendicular bisectors of the triangle's sides

D.) The circumcenter is equidistant from (Apex)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers