2 years ago

Simplify the expression 3x+4x+5x=

Mathematics

1 answer:

Dmitry [639]2 years ago

8 0

12x =

Just added 3 and 4 and 5 to get twelve

You might be interested in

MO bisects angle LMN, angel LMO = 6x-20.angle NMO= 2x+32 find angle LMN?

ICE Princess25 [194]

If MO bisects angle LMN:
6 x - 20 = 2 x + 36
6 x - 2 x = 36 + 20
4 x = 56
x = 56 : 4
x = 14
∠ LMN = 2 · ( 2 · 14 + 36 ) = 2 · ( 28 + 36 ) = 2 · 64 = 128
Answer : C ) x = 14, ∠ LMN = 128

7 0

3 years ago

Bronxville middle school is going to rent some vans

ohaa [14]

Don't get what u asking

3 0

2 years ago

-6.5 plus X = - 4.2<br> what is x

Neko [114]

X=2.3
You add 6.5 to both sides and get the answer X equals 2.3 :)

8 0

2 years ago

What are the points of intersection of -x^2+9x-3 and y=3x

ELEN [110]

Answer:

Easiest and fastest way is to graph both equations into a graphing calc and trace the graph to where they intersect.

Alternatively, you can use substitution to solve for your answer.

Step-by-step explanation:

8 0

3 years ago

5. A history lecture hall class has 15 students. There is a 15% absentee rate per class meeting.

Tasya [4]

Answer:

I think the answer is A

Sorry if i am wrong

Step-by-step explanation:

5 0

2 years ago