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3 years ago

13

20points please help ASAP How do division properties help you evaluate expressions? Drag a word or number to the box to correctl

y complete the statement.

1 answer:

marishachu [46]3 years ago

7 0

Answer:

The properties of real numbers provide tools to help you take a complicated expression and simplify it. i hope this helps a little.

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According to a survey, 29% of people carry at least 1 reusable water bottle. If 5 people are selected randomly, what is the prob

Nitella [24]

Answer:

0.4 is the probability that at least 2 out of 5 will be carrying a reusable water bottle

Step-by-step explanation:

We are given the following information:

We treat people carrying at least 1 reusable water bottle as a success.

P(people carry at least 1 reusable water bottle) = 29% = 0.29

Then the number of people follows a binomial distribution, where

$P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}$

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 5

We have to evaluate:

$P(x \geq 2) =1- P(x < 2) \\=1 - \binom{5}{0}(0.29)^0(1-0.29)^5 + \binom{5}{1}(0.29)^1(1-0.29)^4\\=1- 0.1804 - 0.3684\\= 0.4512\\\approc 0.4$

0.4 is the probability that at least 2 out of 5 will be carrying a reusable water bottle

6 0

3 years ago

Find the value of x that makes u<br> 11<br> v.<br> 7x + 14<br> 8x + 6<br> X =

pickupchik [31]

Answer:

The X=2 because X+X=2

Step-by-step explanation:

So,the answer is 2

8 0

3 years ago

M=4/3, (3,4) write is standard form

Margaret [11]

Y-4=4/3 (x-3)
standard form would be where you is singled out giving the y intercept form
solve for y
y-4=4/3 (x)-4/3 (3)
y-4=4/3 (x)-4
y=4/3 (x)-4+4
y=4/3 (x)

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3 years ago

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kvasek [131]

I tried to help but couldn’t :)

5 0

3 years ago

What fraction is equal to 0.7 with a line over 7

Elodia [21]

If <em>x</em> = 0.777…, then

10<em>x</em> = 7.777…

10<em>x</em> - <em>x</em> = 7.777… - 0.777…

9<em>x</em> = 7

<em>x</em> = 7/9

6 0

3 years ago