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iris [78.8K]
3 years ago
11

What is ‘t’ in the equation -12 = t - 15.95

Mathematics
1 answer:
leonid [27]3 years ago
6 0
Answer: 3.95 (add 15.95 to -12 to get the answer)
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The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard dev
prohojiy [21]
<span>The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50. what is the probability that a student uses more than 580 minutes?

Given
&mu;=500
&sigma;=50
X=580
P(x<X)=Z((580-500)/50)=Z(1.6)=0.9452
=>
P(x>X)=1-P(x<X)=1-0.9452=0.0548=5.48%

</span>
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3 years ago
THE FUNCTION ARCSINE CAN ALSO BE DEFINED AS?
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The arcsine, \sin^{-1}, is the inverse of the \sin function. This means that it takes as <em>inputs </em>what would usually be <em>outputs </em>for the \sin function and produces as <em>outputs </em>what would usually be <em>inputs </em>for the \sin function.

This can be particularly useful when you're trying to find an angle on a right triangle, but you've only been given the lengths of the sides. To find any angle \theta in a right triangle, just take \sin^{-1} \frac{o}{h}, where o is the side opposite \theta and h is the hypotenuse of the right triangle.

3 0
3 years ago
You are purchasing 2 shirts at $15.00 each and 1 pair of jeans at $30.00 each. You have a coupon for 10% off. How much is the to
andrey2020 [161]
Answer: $54

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Step-by-step explanation:

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                          ↑

The median of the data set is 57 → b

3 0
3 years ago
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