Answer:
The constant of any equation is the number that doesn't change.
For example
4x-7=5
Seven and five are the constants because they are not going to change.
X= independent variable y= dependent variable
Step-by-step explanation:#need any questions answered within mins secs/
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60/125 so that can be simplified in 12/25, so the percentage is 0.48%
Answer:
decimal form is -13.75 mixed fraction form -13 3/4
Answer:
(a) 93.19%
(b) 267.3
Step-by-step explanation:
The population mean and standard deviation are given as 502 and 116 respectively.
Consider, <em>X</em> be the random variable that shows the SAT critical reading score is normally distributed.
(a) The percent of the SAT verbal scores are less than 675 can be calculated as:
Thus, the required percentage is 93.19%
(b)
The number of SAT verbal scores that are expected to be greater than 575 can be calculated as:
So,
Out of 1000 randomly selected SAT verbal scores, 1000(0.2673) = 267.3 are expected to have greater than 575.
Arcsin (2/5) = arctan(2/√21)
now as tan (arctan (x) ) = x
hence tan (arctan (2/√21)) = 2/√21 = 0.436
ask if you do not understand the first part