Helping my sister with combining like terms & I just need some refreshing here is my question:

Mathematics

2 answers:

Mashutka [201]2 years ago

7 0

Answer,

= -4n - 3

Explanation,

Combine Like Terms:

= n + 4 + −9 + −5n

= (n + −5n) + (4 + −9)

= −4n + −5

Hope This Helps :-)

denpristay [2]2 years ago

3 0

Answer:

-5-4n

Step-by-step explanation:

add 4 + -9 = -5

add n + -5n= -4n

You might be interested in

Mclaire155 THIS IS FOR YOU not and thank you

jeka57 [31]

Answer:

shhdhd

Step-by-step explanation:

Oh wow great marks

8 0

2 years ago

Read 2 more answers

25 POINTS

mr Goodwill [35]

[ 1 ] Given
[ 2 ] Exterior Sides Opposite Rays
[ 3 ] Definition of Supplementary angles
[ 4 ] First substitution
[ 5 ] Subtraction Property of Equality
[ 6 ] Second Substitution
[ 7 ] If corrsp. equal, the lines ||

4 0

3 years ago

Jessie estiments the weight of her cat to be 10 pounds the actual weight of the cat is 13.75 pounds fine the percent error

GarryVolchara [31]

Answer:

The percent error would be 27.27%

Step-by-step explanation:

percent error = \frac{measured - actual}{actual} x 100%

3 0

3 years ago

The speed of light is approximately 299,000,000 meters per second.

jek_recluse [69]

Answer:

2.99 x 10⁸ meters per second

Step-by-step explanation:

Scientific notation (also called "Standard form") is written in the form of $a \times 10^n$ , where $1\leq a < 10$ and $n$ is any positive or negative whole number.