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netineya [11]
3 years ago
11

For what angles are sine and cosine the same?

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

e

Step-by-step explanation:

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What is the standard deviation of the following data set rounded to the nearest tenth? 56 ,78 ,123 , 34, 67, 91, 20
quester [9]

Answer:

The standard deviation of the following data set is 32.2

Step-by-step explanation:

step 1

Find the mean

we have

[56,78,123,34,67,9,20]

Sum the data and divided by the number of elements

[56+78+123+34+67+91+20]/7=469/7=67

step 2

For each number: subtract the Mean and square the result

[(56-67)^{2},(78-67)^{2},(123-67)^{2},(34-67)^{2},(67-67)^{2},(91-67)^{2},(20-67)^{2}]

[121,121,3,136,1,089,0,576,2,209]

step 3

Work out the mean of those squared differences

[121+121+3,136+1,089+0+576+2,209]/7=1,036

This value is called the "Variance"    

step 4

Take the square root of the variance

standard\ deviation=\sqrt{1,036}=32.2

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3 years ago
If a polynomial has four terms, 3x3 5x 6x2 10, which factoring method can be considered?
kupik [55]
The Answer Is <span>factor by grouping</span>
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What is the midpoint of the segment shown below?
deff fn [24]

The midpoint formula is basically (averaging the x coordinates, averaging the y coordinates).

Point A: (3, 7)

Point B: (2, -1)

Midpoint x: (3 + 2) / 2 = 5 / 2

Mindpoint y: (7 - 1) / 2 = 3

Therefore, the midpoint of the segment is choice C (5/2, 3)

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3 years ago
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What is 204 divided by 9 long division
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22.6666666667

round up to 22.67

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NEED HELP FAST 2020 algebra 1 interim or just this one question
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Answer: I think it's b

Step-by-step explanation:

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3 years ago
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