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3 years ago

What 6 ways can you write 835,000 please help me

Mathematics

1 answer:

anyanavicka [17]3 years ago

8 0

I have two...
1. Word Form - Eight hundred thirty five thousand.
2. Standard Form - 835,000

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If you are writing an equivalent expression for 2^3 times 2^4, how many times would you write two as a factor?

Artist 52 [7]

Answer:

$2^3(2^4)=2^{3+4}=2^7=2(2)(2)(2)(2)(2)(2)$

Step-by-step explanation:

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3 years ago

Read 2 more answers

Identify the expression for calculating the mean of a binomial distribution.

Gre4nikov [31]

A random variable $X$ following a binomial distribution with success probability $p$ across $n$ trials has PMF

$\mathbb P(X=x)=\begin{cases}\dbinom nxp^x(1-p)^{n-x}&\text{for }x\in\{0,1,\ldots,n\}\\\\0&\text{otherwise}\end{cases}$

where $\dbinom nx=\dfrac{n!}{x!(n-x)!}$ .

The mean of the distribution is given by the expected value which is defined by

$\mathbb E(X):=\displaystyle\sum_xx\mathbb P(X=x)$

where the summation is carried out over the support of $X$ . So the mean is

$\displaystyle\sum_{x=0}^nx\binom nxp^x(1-p)^{n-x}$

Because this is a proper distribution, you have

$\displaystyle\sum_x\mathbb P(X=x)=1$

which is a fact that will be used to evaluate the sum above.

$\displaystyle\sum_{x=0}^nx\binom nxp^x(1-p)^{n-x}$
$\displaystyle\sum_{x=1}^nx\binom nxp^x(1-p)^{n-x}$
$\displaystyle\sum_{x=1}^n\frac{xn!}{x!(n-x)!}p^x(1-p)^{n-x}$
$\displaystyle np\sum_{x=1}^n\frac{(n-1)!}{(x-1)!(n-x)!}p^{x-1}(1-p)^{n-x}$
$\displaystyle np\sum_{x=1}^n\frac{(n-1)!}{(x-1)!((n-1)-(x-1))!}p^{x-1}(1-p)^{(n-1)-(x-1)}$

Letting $y=x-1$ , this becomes

$\displaystyle np\sum_{y=0}^{n-1}\frac{(n-1)!}{y!((n-1)-y)!}p^y(1-p)^{(n-1)-y}$

Observe that the remaining sum corresponds to the PMF of a new random variable $Y$ which also follows a binomial distribution with success probability $p$ , but this time across $n-1$ trials. Therefore the sum evaluates to 1, and you're left with $np$ as the expression for the mean for $X$ .

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4 years ago

20 POINTS! Please help, best answer will recessive brainliest answer points as well as 5 stars and a thank you. :)

valentina_108 [34]

Answer:

(3) Diagonals are perpendicular

Step-by-step explanation:

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3 years ago

Line segment MN is graphed in the first and second quadrants of a coordinate plane. The segment is translated 2 units up, then r

Ksju [112]

Answer:

Step-by-step explanation:

Since the line segment is only being translated and reflected it would still maintain its length. This is pretty much the only characteristic that would remain the same as te original line segment. It would not maintain the same x-axis positions for both endpoints of the line segment. This is because when it is translated 2 units up it is only moving on the y-axis and not the x-axis. But when it is reflected over the y-axis the endpoints flip and become the opposite values.

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3 years ago

Interview someone you know that uses math in their job/career. Which of the following tasks do they complete on a regular basis?

andre [41]

Answer:

I have known a man who uses math in their job/career to do problem solving. I have kind of discussed him about the dynamics of his job in terms of utilizing his math knowledge.

Step-by-step explanation:

I have known a man who uses math in their job/career. I have kind of discussed him about the dynamics of his job in terms of utilizing his math knowledge.

He mentioned that he normally does a lot of problem solving tasks on a regular basis as he likes to observe the situation logically and then solving accordingly based on critical thinking and logic.

He mentioned some of his problem solving skills using which he tends to do a lot of problem solving tasks. These problem skills are as follows:

Active listening

Analysis

Research

Creativity

Communication

Understanding the logic and implementing it

Logical calculations to solve the problem

Keywords: problem solving, communication, observation

Learn more about problem solving from brainly.com/question/5084258

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3 years ago