What to do from here? (Please don't solve)

Mathematics

1 answer:

Tems11 [23]3 years ago

5 0

You have the answer if you just do a little bit more but other than that you have your answer

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Of 20 test scores, four are less than or equal to 85. What is the percentile rank of a test score of 85

N76 [4]

Answer:

Bottom 20% percentile

Step-by-step explanation:

4/20= .2

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2 years ago

Answer the question right you get brainliest

azamat

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radius is 25

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2 years ago

A department of transportation's study on driving speed and miles per gallon for midsize automobiles resulted in the following d

dezoksy [38]

Answer:

R = -0.90 (2 decimal places)

Step-by-step explanation:

Given the data :

Speed (Miles per Hour) :

Miles per Gallon :

The correlation Coefficient, R shows the degree or level of relationship between the dependent and independent variable. A positive R value denotes a positive correlation while a negative R value denotes a negative relationship. R values should range between - 1 to +1 with values close to 1 and - 1 depicting strength while value of zero means no relationship exist.

Hence, R value of -0.90 depicts a strong negative relationship. Hence, higher speed are related to lower miles per gallon and vice versa.

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2 years ago

What is the domain and range for:<br> y = arcsin(tanx)

Semmy [17]

The graph looks like this, on the enclosed pic:
One feature is that it's periodic and torn (has cut-off points), meaning the domain is the same as in case of tan(x): x€R and x =/= π/2+πn.
The range equals the range of arcsin(x): -π/2<=y<=π/2 OR y€[-π/2;π/2]
Hope could understand and if it helped! :)

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3 years ago

Divide the fractions whit whole nymber and simplify

Georgia [21]

Answer:

Which fractions

Step-by-step explanation:

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2 years ago