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3 years ago

What is 3x+6x+2x=?????

Mathematics

2 answers:

Papessa [141]3 years ago

8 0

Answer:

11x

Step-by-step explanation:

you add the numbers like you normally would and then add the x at the end

3 + 6 + 2 = 11

add the x

11x

Naya [18.7K]3 years ago

4 0

Answer:

11x

Step-by-step explanation:

Combine like terms.

3x + 6x = 9x

9x + 2x = 11x.

11x = 3x + 6x + 2x.

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If you draw a card with a value of 4 or less from a standard deck of cards, I will pay you 165$ if not your pay me $45. (Aces ar

jekas [21]

Answer: The required expected value is $3.46.

Step-by-step explanation:

Since we have given that

Number of value of 4 or less are

2,3,4

So, there are 12 in numbers.

So, probability would be

$\dfrac{12}{52}$

Since Aces are considered as the highest card in the deck.

So, remaining probability would be

$\dfrac{40}{12}$

Amount paid or value of 4 or less = $165

Amount not paid for other case = $45

So, the expected value would be

$\dfrac{12}{52}\times 165-\dfrac{40}{52}\times 45\\\\=\dfrac{1980}{52}-\dfrac{1800}{52}\\\\=\dfrac{180}{52}\\\\=3.46$

Hence, the required expected value is $3.46.

7 0

3 years ago

Which number completes the ratio

Ivan

Answer: 21

Step-by-step explanation:

Because u add 7 times 3 is 21

6 0

2 years ago

Read 2 more answers

IF RIGHT I WILL MARK BRANILIEST! HELP!

notka56 [123]

Answer:

Step-by-step explanation:

6 0

3 years ago

Maria and Liam work in a banquet hall. Maria earns a 20% commission on her food sales. Liam earns a weekly salary of $625 plus a

Ksju [112]

Let us say that S is the total food sales therefore we can create the following equation:

0.20 S = 625 + 0.10 S

Solving for S:

0.10 S = 625

S = 6250

<span>Therefore the food sales should amount to $6,250</span>

4 0

2 years ago

A system of equations is shown below. Which of the following statements describes the graph of this system of equations in the (

ollegr [7]

The given system of equations represent a single line with positive slope. So option C is correct.

<u>SOLUTION: </u>

Given system of equations are

$\begin{array}{l}{3 y-5 x=15 \rightarrow(1)} \\\\ {6 y-10 x=30 \rightarrow(2)}\end{array}$

Now, if we observe, $(1) \times 2 \rightarrow(2)$ multiplying the $1^{st}$ equation with 2 results in $2^{nd}$ equation.

which means the two line equations represents the same line.

Now, let us find the slope of line, $\text { slope }=\frac{-x \text { coefficient }}{y \text { coefficient }}=\frac{-3}{-5}=\frac{3}{5}=\text { positive slope }$

So, the line has a positive slope.

5 0

3 years ago