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1 year ago

- 4j - 1 - 4j+6 Write that expression in the simplest form

Mathematics

1 answer:

Anika [276]1 year ago

4 0

Answer:

-8j+5

Step-by-step explanation:

the answer is -8j+5

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In how many ways can Susan arrange 7 books into 5 slots on her bookshelf?

KatRina [158]

Answer:

2520

Step-by-step explanation:

This is permutation question

The formula for it:

N = b!/(b-s)!, where N- number of ways, b- number of books, s- number of slots

Finding the answer:

N = 7!/(7-5)! = 7!/2! = 7*6*5*4*3 = 2520

7 0

2 years ago

In a manufacturing plant that produces new computers, a 0.15 probability exists that a computer will be defective. if five compu

Sindrei [870]

The probability that all of them will be defective is 0.0000759375

Explanation

The general Binomial Probability formula is....

$P= ^nC_{r}*p^r*(1-p)^n^-^r$ , where p is the probability of success, n is the total number of trials and r is the desired numbers of trials.

Given, the probability that a computer will be defective is 0.15 , so p = 0.15

Five computers are manufactured and we need to find the probability that all of them will be defective. That means, n = 5 and r = 5

Now according to the above formula....

$P= ^5C_{5}*(0.15)^5*(1-0.15)^5^-^5 \\ \\ P= 1*(0.15)^5* (0.85)^0\\ \\ P=(0.15)^5 =0.0000759375$

So, the probability that all of them will be defective is 0.0000759375

7 0

2 years ago

HELP ME PLEASE REALLY IMPORTANT OR ILL GET IN TROUBLE!! WILL MARK AS BRAINLEST IF YOU GET IT CORRECT!!

sammy [17]

Answer:

Step-by-step explanation:

3 0

2 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20-%20%20%5Cfrac%7B7%7D%7B216%7D%20%7D%20%5Ctimes%20%20%5Csqrt%7B42%7D%20%20" id

Natalija [7]

Answer:

IM GOING TO THIS but what do I gotta do evaluate? simplify?

6 0

3 years ago

What is y=-x+6?........

SIZIF [17.4K]

Answer:

Slope = -2/2 = -1

x-intercept = 6/1 = 6

y-intercept = 6/1 = 6

I wasn't sure what you really were asking for, so I did slope, x, and y.

8 0

2 years ago