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3 years ago

PLEASE HELP ME WITH THIS IT WOULD MEAN A LOT

Mathematics

2 answers:

brilliants [131]3 years ago

6 0

The answer is for this question is A

RideAnS [48]3 years ago

4 0

Answer:

Pick A

Step-by-step explanation:

Step by step, hope this helps

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2x(5-x)+3x^2 <br> shown work please

nekit [7.7K]

$\\ \rm\Rrightarrow 2x(5-x)+3x^2$

$\\ \rm\Rrightarrow 10x-2x^2+3x^2$

$\\ \rm\Rrightarrow 10x+(-2+3)x^2$

$\\ \rm\Rrightarrow 10x+x^2$

$\\ \rm\Rrightarrow x^2+10$

5 0

3 years ago

Read 2 more answers

Evaluate A + 3B if possible. HELP ASAP!

madreJ [45]

Answer:

Not possible.

Step-by-step explanation:

Addition of Matrix A and Matrix B is possible only if the order of matrix A is same as the order of matrix B.

Order of a matrix with $m$ rows and $n$ columns is $m\times n$ .

Here, matrix A is $\left[\begin{array}{ccc}2&-4\\-4&10\\0&-8\end{array}\right]$

Matrix B is $\left[\begin{array}{ccc}0&-4&6\\2&-10&4\end{array}\right]$ .

Multiplying a matrix by a constant doesn't change its order.

So, order of matrix A is $3\times 2$ as it has 3 rows and 2 columns.

The order of matrix 3B is $2\times 3$ as it has 2 rows and 3 columns.

Therefore, addition is not possible as the order is different.

4 0

4 years ago

nikitadnepr [17]

Considering the given discrete probability distribution, it is found that the expected share is of 10%.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

In this problem, the distribution is given by:

P(X = 0.05) = 0.2.

P(X = 0.1) = 0.6.

P(X = 0.15) = 0.2.

Hence the expected value is given by:

E(X) = 0.2 x 0.05 + 0.6 x 0.1 + 0.2 x 0.15 = 0.1 = 10%.

The expected share is of 10%.

More can be learned about the expected value of a discrete distribution at brainly.com/question/24802582

#SPJ1

6 0

2 years ago

Use geometry to evaluate the integral (picture shown)

Verizon [17]

Now.. notice the picture below, of the two functions

geometry wise, is just a rectangle and a triangle

pretty sure you know how to get those, get their areas, add them up

3 0

4 years ago

Please help me with this please.

Keith_Richards [23]

Answer:

total number of miles driven

3 0

3 years ago