# ______________ is process that you can do over and over, where each result does not affect the next. Ex. Flipping a coin, rolling dice, choosing a card, etc.

2 months ago

## Solution 1

Guest #1276
2 months ago
In probability, an experiment is any procedure that can be infinitely repeated and has a well-defined set of possible outcomes. Thus, an experiment is a process that you can do over and over, where each result does not affect the next. For example: Flipping a coin, rolling dice, choosing a card, etc. are all experiments.

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What plus 56 equals 90
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First to solve this you have to subtract 90-56. Â This will give you the difference. Â So, 90-56= 34.
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Find the average reate of change for the interval from x=9 to x=10
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Question
Original tv cost: 700\$ Current tv cost: 500\$ Find the percent of decrease Round to the nearest whole percent
Solution 1
we know that

100%------------>Â  \$700 (is the Original tv cost)
Â X %--------------> Â \$500 (is theÂ Current tv cost)
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Solution 2

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The tax rate is 8.5% What is the tax on 95\$? Round to the nearest hundredth
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A girl scout sells 3 boxes of cookies during week 1. She has a goal to sell twice as many cookies each week as she did the week before. If she succeeds in doing this during weeks 2, 3, 4, and 5, how many boxes will she sell all together? a0
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Question
It takes a hose 2 minutes to fill a rectangular aquarium 8 inches long, 9 inches wide, and 13 inches tall. How long will it take the same hose to fill an aquarium measuring 21 inches by 29 inches by 30 inches?
Solution 1
To make it easier,Â you calculate the volume of the first aquarium.

1st aquarium:
V = L x W x H
V = 8 x 9 x 13
V = 72 x 13
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Rate: 936 in./2 min.

Now that you've got the volume and rate of the first aquarium, you can findÂ how many inches of the aquarium is filled within a minute, which isÂ alsoÂ known as the unit rate. To do that, you have to divide both the numerator and denominator by their least common multiple, which is 2.Â 936 divided by 2 is 468 and 2 divided by 2 is 1.
So the unit rate is 468 in./1 min. Now that you've got the unit rate, you can find out how long it'll take to fill the second aquarium up by finding its volume first.

2nd aquarium:
V = L x W x H
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V 18,270 inches

Calculations:
Now, you divideÂ 18,270Â by 468 to find how many minutes it will take to fill up the second aquarium. 18,270 divided by 468Â is about 39 (the answer wasn't exact, so I said "about").
Â
2nd aquarium's rate:
18,270 in./39 min.

As a result, it'll take aboutÂ 39 minutes to fill up an aquarium measuring 21 inches by 29 inches by 30 inches using the same hose. I really hope I helped and that you understood my explanation! :)Â If I didn't, I'm sorry. I tried. :(
Solution 2

Step-by-step explanation:

6086

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The next stop on the road trip is the zoo! jacob goes to find his favorite animal, the giraffe. jacob wonders how tall the tallest giraffe at the zoo is. if jacob is 5 feet 6 inches and his shadow at the time is 3 feet long, find the height of the giraffe whose shadow is 5 feet 9 inches at the same time.
Solution 1
1 foot = 12 inches
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by the ratio and proportion

âˆ´

âˆ´ 66/36 = Height of giraffe/69

âˆ´ Height of giraffe = 69 * 66/36 = 126.5 inches = 10 feet 6.5 inches
Solution 2

The height of the giraffe whose shadow is 5 feet 9 inches at the same time will be 10 feet and 6.5 inches.

### What are ratio and proportion?

A ratio is an ordered set of integers a and b expressed as a/b, with b never equaling 0. A proportional is a mathematical expression in which two things are equal.

The next stop on the road trip is the zoo.

Jacob goes to find his favorite animal, the giraffe.

Jacob wonders how tall the tallest giraffe at the zoo is.

If Jacob is 5 feet 6 inches and his shadow at the time is 3 feet long.

Then the height of the giraffe whose shadow is 5 feet 9 inches at the same time will be

Let x be the hieght of the giraffe. Then we have

The ratio will remain constant.

x / 5.75 = 5.5 / 3

x = 10.54

x = 10 feet 6.5 inches

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Question
The figure has 60 edges and 30 vertices. Use Eulerâ€™s formula to find the number of faces in the given polyhedron.
Solution 1
Let the number of faces â‡’â‡’â‡’ F
Number of VerticesÂ Â Â Â Â Â Â  â‡’â‡’â‡’ V
Number of EdgesÂ Â Â Â Â Â Â Â Â  â‡’â‡’â‡’ E

Euler's Formula â‡’â‡’â‡’â‡’â‡’ F + V âˆ’ E = 2

given:â‡’â‡’â‡’
60 edges and 30 vertices
âˆ´ E = 60Â Â Â  andÂ Â Â  V = 30
âˆ´ F + 30 - 60 = 2
âˆ´ F = 2 + 60 - 30 = 32

Number of faces = 32

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