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MA_775_DIABLO [31]
1 year ago
14

The sum of all proportions in a frequency distribution should be______.

Mathematics
1 answer:
NeX [460]1 year ago
8 0
It should always be 100
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Look at the figure above. The surface area is _____ square cm.
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Three farmers can reap a field in 6 hours. The owner wants the field to be reaped in 1 hour. How many farmers should he have wor
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3 0
2 years ago
Triangle X Y Z is shown. Angle X Z Y is 90 degrees and angle X Y Z is 41 degrees. The length of Z X is 22.
skad [1K]

The equation that could be used to solve for the length of XY is XY = 22/sin(41)

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Sine rule is used to show the relationship between the sides and angles of a trinagles.

Using sine rule on triangle XYZ:

XY / sin(Z) = XZ / sin(Y)

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XY = 22/sin(41)

The equation that could be used to solve for the length of XY is XY = 22/sin(41)

Find out more on equation at: brainly.com/question/2972832

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8 0
2 years ago
A bag contains 5red balls and 8 blue balls, it also contains 4 green and 7 black balls is drawn at random. Then find the probabi
Lunna [17]
80% of the balls are not green. First, you must add the total amount of balls. 5+8+4+7 = 20. Since the problem says that they are 4 green balls, you must subtract 20-4. This is because you are trying to find the probability of balls that are not green. 20-4 = 16, so convert this to 16/20. To make 16/20 into a percentage, (because you’re finding the probability) you must multiply the fraction by 5/5. Once you do that, you will get 80/100. Therefore, 80% of the total amount of balls are not green.
5 0
3 years ago
Read 2 more answers
Please help as soon as possible
Rzqust [24]

Answer:

The last one doesn't satisfy! for example if y=2 and x=1 then 2<0 false.

Step-by-step explanation:


4 0
3 years ago
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