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Sloan [31]
3 years ago
13

I REALLY NEED HELP PLEASE !!!! 1. Suppose you pay $45.00 for an electronic game that has been discounted 15%. What is the origin

al price of the electronic game to the nearest cent? Show how you arrived at your solution, check your work, and clearly state your answer.
2. Seiji and Gavin both worked hard over the summer. Together, they earned a total of $600. Gavin earned $30 more than Seiji. How much did each of them earn?
a. Write a system of two equations with two variables to model this problem.
b. Use substitution or the elimination method to solve the system.
c. Graph both equations.
d. Answer the question.
Mathematics
1 answer:
Lady_Fox [76]3 years ago
8 0
45.00 
45/15
30.00

es que no se lo lava ien fuchi
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Answer:  B. x ~ B(50, .1)

In other words, it's the second answer choice

===========================================================

Explanation:

We have n = 50 people in the sample and p = 0.10 is the decimal form of 10%, to represent the probability of success. In this case, we define "success" as "the person passes the fitness test".

The random variable x is the count of how many people pass. So we could have x = 0, x = 1, x = 2, ..., x = 49, x = 50. Basically any whole number from 0 to 50 inclusive. Furthermore, x is approximately modeled by the binomial distribution which we denote as B(n, p) = B(50, 0.1)

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Step-by-step explanation:

Equation of a line is y = mx + c, m is the gradient and c is the intercept

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-5 = 4m + c

When two lines are perpendicular, the products of their gradients are equal to -1, m1 * m2 = -1

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