All categories

2 years ago

9x - 7x + 3y - 2y X+ 5y

Mathematics

1 answer:

Svet_ta [14]2 years ago

5 0

Answer:

3x + 6y

Step-by-step explanation:

CLT

9x-7x+x+3y-2y+5y

3x+6y

You might be interested in

xP(x)00.2510.0520.1530.55Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal pl

Nookie1986 [14]

The Solution:

Given:

Required:

Find the standard deviation of the probability distribution.

Step 1:

Find the expected value of the probability distribution.

$E(x)=\mu=\sum_{i\mathop{=}0}^3x_iP_(x_i)$ $\begin{gathered} \mu=(0\times0.25)+(1\times0.05)+(2\times0.15)+(3\times0.55) \\ \\ \mu=0+0.05+0.30+1.65=2.0 \end{gathered}$

Step 2:

Find the standard deviation.

$Standard\text{ Deviation}=\sqrt{\sum_{i\mathop{=}0}^3(x_i-\mu)^2P_(x_i)}$ $=(0-2)^2(0.25)+(1-2)^2(0.05)+(2-2)^2(0.15)+(3-2)^2(0.55)$ $=4(0.25)+1(0.05)+0(0.15)+1(0.55)$ $=1+0.05+0+0.55=1.60$

Thus, the standard deviation is 1.60

Answer:

1.60

8 0

1 year ago

Which angles are complementary?

Charra [1.4K]

It is PKO AND MKN because they are similar

3 0

3 years ago

Explain in words, how you to find a solution for the following equation. 7 + x = 18

zheka24 [161]

Answer:

x=11 (read below)

Step-by-step explanation:

7 + x = 18

Subtract 7 from both sides

x=11

It's quite simple because if you do something to one side of the equation, you need to do it to the other because otherwise the equation won't be equal. This is how you need to simplify most problems, by taking something from one side and taking from the other as well.

7 0

3 years ago

Read 2 more answers

Can someone please answer this asap (50 Points) Graph the following piecewise function.

kiruha [24]

answer D for the equation

8 0

3 years ago

Read 2 more answers

Salim walked113miles to school and then212miles to work after school. How far did he walk in all? 316 miles 325 miles 345 miles

Mars2501 [29]

Answer: