Hey there

9a+3+2a+10
You have to collect like terms

To simplify you have to add 9a and 2a. Then 3 and 10
9a+2a= 11a
10+3= 13

The answer is 11a+13

hope this helps

7 0

3 years ago

Read 2 more answers

How many albums can Jada download if she downloads 30 individual songs?

Juli2301 [7.4K]

Answer:

Step-by-step explanation:

8 0

3 years ago

Suppose the average math SAT score for students enrolled at local community college is 490.4 with a standard deviation of 63.7.

lakkis [162]

Answer:

Option B) 9.1

Step-by-step explanation:

We are given the following in the question:

Average score = 490.4

Standard deviation = 63.7

Sample size, n = 49

Formula:

$=\dfrac{\sigma}{\sqrt{n}}$

Putting values, we get,

Standard error =

$=\dfrac{\sigma}{\sqrt{n}} = \dfrac{63.7}{\sqrt{49}} = 9.1$

Thus, the correct answer is

Option B) 9.1

8 0

3 years ago