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3 years ago

Twenty-three thousand and four hundred six thousand in standard form

Mathematics

1 answer:

almond37 [142]3 years ago

4 0

23,000 and 406,000 are these in standard form.

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Im giving out brainliest if you answer ;)

lawyer [7]

Answer:

its the second oneeeee byeeeeeeeee brainliest plssssssss

Step-by-step explanation:

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3 years ago

Can someone please help a lady out ASAP? please and Thankyou. I will give you crown

gtnhenbr [62]

I hope it’s right?! You just need to do this

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3 years ago

4-member curling team is randomly chosen from 6 grade 11 students and 8 grade 12 students. What is the probability that the team

Ivanshal [37]

Answer:

0.5944 = 59.44% probability that the team has at least 2 grade 11 students

Step-by-step explanation:

The students are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}$

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

We have that:

6 + 8 = 14 students, which means that $N = 14$

6 grade 11 students means that $k = 6$

Teams of 4 members means that $n = 4$

What is the probability that the team has at least 2 grade 11 students?

This is:

$P(X \geq 2) = 1 - P(X < 2)$

In which

$P(X < 2) = P(X = 0) + P(X = 1)$

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}$

$P(X = 0) = h(0,14,4,6) = \frac{C_{6,0}*C_{8,4}}{C_{14,4}} = 0.0699$

$P(X = 1) = h(1,14,4,6) = \frac{C_{6,1}*C_{8,3}}{C_{14,4}} = 0.3357$

Then

$P(X < 2) = P(X = 0) + P(X = 1) = 0.0699 + 0.3357 = 0.4056$

$P(X \geq 2) = 1 - P(X < 2) = 1 - 0.4056 = 0.5944$

0.5944 = 59.44% probability that the team has at least 2 grade 11 students

5 0

3 years ago

Through (2.-1) perpendicular y=4x+3

Sedaia [141]

Answer:

y = 1x -3

4 4

Step-by-step explanation:

m= 4 -> 1

y-y1 = m(x-x1)

y+1 = m(x-2)

y+1 = 1(x-2)

y+1 = 1x -1

4 2

y = 1x - 3

4 4

4 0

3 years ago

A number n is 5 more than 12

zzz [600]

X + 12 = n
N is 5 more than twelve so add 5 to 12 and you get 17.

6 0

3 years ago