Answer:
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After multiplying pay rate and total hours worked by Alani we get her total earning as $296.
What is multiplication ?
- Mathematicians use multiplication to calculate the product of more than two numbers. It is a fundamental operation in mathematics that is frequently utilized in everyday life.
- When it is necessary to merge groups of similar sizes, we utilize multiplication.
- The fundamental concept of complement system the same number is represented by the process of multiplication.
- The results of multiplying two or maybe more numbers are known as both the products of those numbers, and the factors those are multiplied are referred to as the factors.
- Recurrent addition of the identical number is made easier by multiplying the numbers.
Alani makes $8/h for working upto 40hours.
If she works for 37 hours then her pay-rate would be $8/hr.
Therefore, we will multiply 8 by 37.
Alani earns $296.
Learn more about multiplication here:
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The complete question you are looking for might be :
Alani has a summer job as a lifeguard. She makes $8/h for up to 40 h each week. If she works more than 40 h, she makes 1.5 times her hourly pay, or $12/h, for each hour over 40 h. 1. How much will Alani earn if she works: 37 hours?
We are asked to determine the value of a such that the function f(x) = ax^2 + 5 is fit for the point given (-1,2). In this case, we substitute 2 to y and -1 to x. The result is then 2 = a*(-1)^2 + 5 ; 2 = a + 5; a is then equal to -3
The positive value of Z is 2.17.
What do you mean by normal distribution?
A data collection with a normal distribution is put up so that the majority of the values cluster in the middle of the range and the remaining values taper off symmetrically in either direction. Because of its flared appearance, a normal distribution's graphic representation is occasionally referred to as a bell curve. The specific shape may change depending on how the population is distributed, but the peak and curve are always symmetrical and in the centre.
The information can be represented in the standard normal curve below:
It is given that 97% of the standard normal curve lies between −z and z.
The area in between is 0.97 meaning that one side is (0.97)/2 = 0.485
In addition, the region not shaded is the level of significance represented by (1-0.97)/2 = 0.03/2 = 0.015
From the Z-Score table (0 to Z table), this probability corresponds to the Z value of Z= 2.17 and -2.17
Thus the positive value of Z is 2.17.
To learn more about the normal distribution from the given link.
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