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noname [10]
4 years ago
14

I'm bad at fractions:[​

Mathematics
1 answer:
shtirl [24]4 years ago
7 0

Answer:

1196.25 cubic inches

Step-by-step explanation:

Volume is Length * Width * Height

Length = 14 1/2 inches

Width = 6 1/2 inches

Height = 5 inches

14 1/2 = 14.5

6 1/2 = 6.5

so multiplying 14.5* 16.5 * 5 = 145/10 * 165/10 * 5 = 119625/100 = 1196.25 cubic inches is the answer

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9966 [12]
It is B.

You see that the line segment crosses the y-axis at 1? That is known as the y intercept.

Remember y = mx + b?

Well in this graph, b = 1
Therefore it is B
3 0
4 years ago
Read 2 more answers
You are situated 300 feet from the base of Tower Glitz Plaza watching an external elevator descend down the side of the building
nordsb [41]

Answer:

18.66 ft/s

Step-by-step explanation:

The distance between you and the elevator is given by:

h=\sqrt{x^2+y^2}

The rate of change for the distance between you and the elevator is given by:

\frac{dh}{dt}=\frac{dh}{dy}*\frac{dy}{dt}

-16=\frac{dh}{dy}*\frac{dy}{dt}

\frac{dh}{dy}=\frac{d}{dy} (\sqrt{x^2+y^2})\\

Applying the chain rule:

u=x^2+y^2\\\frac{dh}{dy}=\frac{d\sqrt u}{du} *\frac{du}{dy}\\\frac{dh}{dy}=\frac{1}{2\sqrt u} *2y\\\frac{dh}{dy}=\frac{y}{\sqrt {(x^2+y^2)}}

Therefore, at x=300 and y = 500, dy/dt is:

-16=\frac{y}{\sqrt {(x^2+y^2)}}*\frac{dy}{dt}\\-16=\frac{500}{\sqrt {(300^2+500^2)}}*\frac{dy}{dt}\\\frac{dy}{dt}=-18.66\ ft/s

The elevator is descending at 18.66 ft/s.

7 0
3 years ago
Is the set closed or not closed under operation? Negative Integers under multiplication
Nutka1998 [239]

The set is not closed

Example

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8 0
3 years ago
(4, -3), (x, 1); slope -4
Alexandra [31]

Answer:

x = 3

Step-by-step explanation:

m =  \frac{y \frac{}{2}  - y \frac{}{1} }{x \frac{}{2}  - x \frac{}{1} }

m = slope

x, y = coordinates

- 4 =  \frac{1 - ( - 3)}{x - 4} \\  - 4(x - 4)   = 1 + 3 \\  - 4x  + 16 = 4 \\  - 4 x = 4 - 16 \\  - 4x =  - 12 \\  x=  \frac{ - 12}{ - 4}  \\ x = 3

3 0
3 years ago
Kevin is 333 years older than Daniel. Two years ago, Kevin was 444 times as old as Daniel.
tia_tia [17]

Answer: the equations are

k = d + 33

k - 2 = 4(d-2)

Step-by-step explanation:

Let the present age of Kevin be represented by k

Let the present age of Daniel be represented by d

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k = d + 33

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Two years ago for Kevin will be k - 2

Remember that Kevin was 4 times as old as Daniel two years ago, it becomes

k - 2 = 4(d-2)

5 0
3 years ago
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