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NemiM [27]
3 years ago
10

How to rewrite 9x+8x-2x+9y

Mathematics
1 answer:
Alina [70]3 years ago
6 0

Answer:15x+9y

Step-by-step explanation:

9x+8x-2x=15x

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What steps do you take to divide multi digit whole numbers
const2013 [10]
For example
653÷ 536 =1.218283582089552.that is multi digital numbers
7 0
3 years ago
According to the American Community Survey, 27% of residents of the United States 25 years old or older had earned a bachelor de
oksian1 [2.3K]

a. The reason why this question is a binomial experiment is based on the fact that it is made up of an independent sample, it has a number that is fixed and a probability.

Each event is made up of two outcomes and they are random with the same success rate.

<h3>b. How to solve probability that exactly 5 had a bachelor</h3>

we have the following data n = 12, p = 0.27 and k = 5

We have to use the function to solve electronically

binompdf(n,p,k)

input the values

= binompdf(12,0.27,5)

This gives us

= 0.1255

<h3>(C) Probability that fewer than 5 have bachelor</h3>

We use the formula below

= binompdf(12,0.27,5-1)

This is = 0.7984

D. Probability of at least 5

1 - probability of fewer than 5

= 1 - 0.7984

= 0.2016

How to solve for the Mean = n*p

n = 12 , p = 0.27

Mean = 12*0.27 = 3.24

and

standard deviation = √npq

n = 12, p = 0.27 , q = 1- 0.27

= 0.73

sd = √12*.27*.73

= 1.54

Read more on binomial experiment here:

brainly.com/question/9325204

#SPJ1

3 0
2 years ago
Jake is 50cm tall. Mike is 12cm taller than Jake. Tim is 11cm taller than Mike. How tall is Tim?
igor_vitrenko [27]
You do (50+12)+11             to get Tim's height. 
               Mike  Plus Taller

Which is... 73 cm!!
Easy, right? Except that it is like 2 ft tall...
7 0
3 years ago
Read 2 more answers
. Simplify: (2 x 2 + 6-10 ÷<br><br> 2)​
Maurinko [17]

Answer: 5

Step-by-step explanation:

You see 2x2 = 4 right and since this is operation 2 / 10 = 5  and 6-5 = 1 so add 1 and that gives you 5

2x2 = 4 /  10/2 = 5 /  6-5 = 1 +4 = 5

7 0
2 years ago
Read 2 more answers
Suppose that the probabilities of a customer purchasing​ 0, 1, or 2 books at a book store are 0.4​, 0.2​, and 0.4​, respectively
Volgvan

Answer:

Expected number of books = 1.0

Step-by-step explanation:

Expected number of books, E(x) = ∑xp(x)

∑ = Summation

x = books

p(x) = probability of purchasing a book

E(x) = (0*0.4) + (1*0.2) + (2*0.4)

E(x) = 0 + 0.2 + 0.8 = 1.0

8 0
3 years ago
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