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Alexus [3.1K]
2 years ago
5

7,500 to 8,200

Mathematics
1 answer:
ladessa [460]2 years ago
5 0
The percent of change will be a percentage increase because we go from a smaller number to a larger number. To find a percentage increase, we will use the percentage increase formula:

% increase = final value - original value / original value x 100

Substituting the values in:

% increase = (8,200) - (7,500) / 7,500 x 100, where 8,200 is the new value and 7,500 is the original value.

Simplification after multiplication: 700 / 7,500 x 100

Simplification after division: 0.093 x 100

Simplification after multiplication of 100: 9.333%.

We can round 9.333% down to 9%.
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The perimeter of a rectangular garden is 292 feet. If the width of the garden is 67 feet, what is its length?
olga2289 [7]
79 is the length because
292-2(67)= 158
158/2 = 79
7 0
3 years ago
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su ling started an art project with 1 yard of felt. she used to 2/6 yards on Tuesday and 3/6 yards on Wednesday. how much felt d
Natasha_Volkova [10]
1/6 yards. All you have to do is add the two upper numbers (numerator) ans then subtract 6/6 - 5/6
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A top-loading washing machine has a cylindrical basket that rotates about a vertical axis. The basket of one such machine starts
damaskus [11]

Answer:

n_{tot}=44rev

Step-by-step explanation:

In order to solve this problem we can make use of the following formula:

\theta=(\frac{\omega_{f}+\omega_{0}}{2})t

where θ is the total angle the basket has turned, ω is the angular velocity and t is the time.

Generally theta is written in radians and omega is written in radians per second. Now, since the revolutions are directly related to the radians and they want us to write our answer in revolutions, we can directly use the provided speeds in the formula, so we can rewrite it as:

n=(\frac{f_{f}+f_{0}}{2})t

where n represents the number of revolutions and f is the frequency at which the basket is turning.

The movement of the cylindrial basket can be split in two stages, when it accelerates and when it decelerates. So let's analye the first stage:

n=(\frac{4rev/s+0}{2})(9s)=18rev

and now let's analyze the second stage, where it decelerates, so we get:

n=(\frac{0rev/s+4rev/s}{2})(13s)=26rev

So now that we know how many revolutions the cylindrical basket will take as it accelerates and as it decelerates we can add them to get:

n=18rev+26rev=44rev

So the basket will turn a total of 44 revolutions during this 22s interval.

3 0
3 years ago
Convert 86 to a z-score
Semmy [17]

Answer:

Step-by-step explanation:--0.9

5 0
2 years ago
Uhmmm helppppppp pls lol​
natulia [17]

Answer:

h=81

Step-by-step explanation:

Dont know how to explain but this is the answer

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