4 years ago

I need help please ...

Mathematics

1 answer:

Simora [160]4 years ago

6 0

I'm pretty sure it is 32

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Is this statement true or false -7 -2 > 6 - 14

exis [7]

Answer:

false

Step-by-step explanation:

(-7-2) > (6-14)

-7-2 = -9

6-14 = -8

-9 is not > -8, because -9 is farther to the left on a number line. So, this statement would be false.

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3 years ago

The force of gravity on an object varies directly with its mass. The constant of variation due to gravity is 322 feet per second

poizon [28]

F=mg
Force= mass x gravity

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4 years ago

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What's the mean median and range of 7, 1, 1, 7, 1, 4, 1??

Alekssandra [29.7K]

Answer:

Mean is 3, median is 1, and range is 6

Step-by-step explanation:

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3 years ago

The starting salary for a computer programmer major has a mean of $39,269 and a standard deviation of $2550. The probability tha

Nimfa-mama [501]

Answer:

The probability that a randomly selected programmer major received a salary less than 38000 is 0,3085

Step-by-step explanation:

We will assume that the salaries are Normally distributed. Lets call X the salary of a random major programmer in dollars. We want the pprobability of X being less than 38000. For it, we will standarize X. Lets call W the standarization, given by the formula

$W = \frac{X-\mu}{\sigma}=\frac{X-39269}{2550}$

Lets denote $\phi$ the cumulative distribution function of the standard normal variable W. The values of $\phi$ are well known and they can be found in the attached file. Now, lets calcualte the probability of X being less than 38000 using $\phi$