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3 years ago

I don't know how to do this but I know you have to find the growth or decay

Mathematics

1 answer:

xenn [34]3 years ago

4 0

Answer:

$\boxed{y=5(1.05)^t\to\:5\% \:rate \:of \:growth}$

$\boxed{f(t)=50(.95)^t\to\:5\% \:rate \:of \:decay}$

$\boxed{g(t)=50(1.5)^t\to\:50\% \:rate \:of \:growth}$

$\boxed{y=5(.5)^t\to\:50\% \:rate \:of \:decay}$

Step-by-step explanation:

We can rewrite the given functions in the form $f(x)=a(100\%+r\%)^x$ to determine the rate of growth or $f(x)=a(100\%-r\%)^x$ to determine the rate of decay

$y=5(1.05)^t=5(100\%+5\%)^t\to\:5\% \:rate \:of \:growth$

$f(t)=50(.95)^t=50(100\%-5\%)^t\to\:5\% \:rate \:of \:decay$

$g(t)=50(1.5)^t=50(100\%+50\%)^t\to\:50\% \:rate \:of \:growth$

$y=5(.5)^t=5(100\%-50\%)^t\to\:50\% \:rate \:of \:decay$

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Gwar [14]

1. y = -⅔x + 490

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4. View file below.

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Brilliant_brown [7]

Answer:

1. 3,168 in³

2. $\frac{3}{4}$

Step-by-step explanation:

1. The total volume of the tank - as calculated by the formula for a rectangular prism - $V=LWH$ , where L is length, W is width, and H is height. 15 · 24 · 11 = 3,960 in³. Next, we divide 3,960 by five to get 792. If 792 in³ is the air at the top, we can then subtract that from 3,960 and get 3,168. So there are 3,168 in³ of water in the tank.

2. If we dump 3,168 in³ of water into a 12,672 in³ tank, then $\frac{3,168}{12,672}$ of the tank will be full. Simplified, that is $\frac{1}{4}$ . So that means $\frac{3}{4}$ of the tank will be empty.

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skad [1K]

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Step-by-step explanation:

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3 years ago

a room in a form of a cuboid has a length of 5cm, height 8cm and breadth 0.07m. if one person can occupy a volume of 14cm3(cube)

Over [174]

Answer:

20 people

Step-by-step explanation:

The volume of a cuboid is equal to length * breadth * height.

First, we want to figure out the values relative to each other. Everything is in centimeters except the breadth, which is 0.07m. To convert meters to centimeters, we can multiply by 100: 0.07 * 100 = 7, so the breadth is 7cm.

Next, the volume is length * breadth * height = 5cm * 7cm * 8cm = 280cm³. Each person occupies 14cm³. To find how many people can occupy the cube, we can divide the volume by the space each person takes, so

280cm³/14cm³ = 20 people

Note that we can divide because each person takes x amount of space, and the total space, z, can be represented by x * y = z, with y representing the amount of people, because we add x space for each person. Dividing both sides by x, we get y = z/x

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BigorU [14]

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Step-by-step explanation:

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