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KATRIN_1 [288]
3 years ago
6

I will mark you the Brainliest person who gets this right

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
7 0

Answer:

B (x^2 +4x -2) + (x^2 -2x +4)= 2x^2 +2x +2

Step-by-step explanation:

The blue are positive and the red are negative

The top line is x^2 +4x -2

The second line is x^2 -2x +4

Adding together  

 x^2 +4x -2 + x^2 -2x +4= 2x^2 +2x +2

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How can the commutative property be used to write multiplication sentences
miss Akunina [59]
Using the commutative property means that you could do 5x4=20 and flip it around so it’s 4X5 the answer would still be 20 but in a different order
4 0
3 years ago
A plane is 24,000 feet above sea
IrinaVladis [17]

Answer:

A. -500

Step-by-step explanation:

Find the slope using rise over run (change in y / change in x)

Find the change in the y values (height of the plane):

24,000 - 18,000

= 6,000

Find the change in the x values (miles from the airport)

(60 - 72)

= -12

Divide 6000 by -12:

6000/-12

= -500

So, the slope of the plane's path is A. -500

5 0
3 years ago
Read 2 more answers
PLEASE HELP I CANT FIGURE THEM OUT
statuscvo [17]

Answer:they all equal 69

Step-by-step explanation:

6 0
3 years ago
What is (4x + 3) + (-2x + 4)
kobusy [5.1K]

Answer:

(4x + 3) + (-2x + 4) = 2x + 7  

Step-by-step explanation:

(4x + 3) + (-2x + 4) =     you then collect like terms  

(4x + -2x) + (3 + 4)= like this, and you add what's inside perenthesis

= 2x + (3 + 4). step-by-step

= 2x + 7.  then that is how you get =2x+7

5 0
3 years ago
Read 2 more answers
Find the coordinates of n after a 90 degrees clockwise rotation around the origin
Ket [755]

Answer:

270 degrees

Step-by-step explanation:

If you want a positive number, you can say that the origin is 360 degrees. Then, being it's moving clockwise, subtract 90 degrees from 360 degrees. That will give you 270 degrees.

If you want a negative answer, you could simply say that the origin is 0 and subtract 90 from that giving you -90.

Odds are you  should go with 270.

5 0
3 years ago
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