Question

find the sum of the given polynomials.

2mn + 4n 2 and 5m 2 - 7mn



A) 9m2 + 9mn - 4n2

B) 5m2 - 14mn - 4n2

C) 5m2 - 5mn + 4n2

D) 5m2 + 5mn - 4n2

Answer 1

do you need help

Answer 2

yea

Answer 3

ok just give me a moment

Answer 4

ok

Answer 5

so first you have to add that right

Answer 6

ok

Answer 7

after that you will get 5mn+4n2+5m2

Answer 8

is that one of your answers

Answer 9

c.)

Answer 10

No @victoriajustice

Answer 11

somebody just said c

Answer 12

=c.)

Answer 13

me jordan did

Answer 14

Ok @my.baby

Answer 15

victoria will you be my fan

Answer 16

i see why I added to much

Answer 17

yes

Answer 18

cool

Answer 19

i am your fan and gave you a medal

Answer 20

what number is your smartscore

Answer 21

thanks

Answer 22

i donteven know what that is

Answer 23

you mind if you help me

Answer 24

the number at the top of the screen

Answer 25

i don't mind

Answer 26

24

Answer 27

ok

Answer 28

should i ask you the question now

Answer 29

how do you give medals

Answer 30

yyaass

Answer 31

A teacher wrote expressions on cards and put them in a bag. Thomas and Kelly drew cards from the bag and added the expressions. Thomas drew the expressions 3x + 7 and 2x – 3. Kelly drew the expressions −6x + 3 and 14x + 2.

How much greater was Kelly’s sum than Thomas’s sum?

x +

Answer 32

on the side of my name it should say best response in gray

Answer 33

i think i have to subtract

Answer 34

yea i think so too

Answer 35

i got 20x-5

Answer 36

i dont think that is right

Answer 37

are you still here

Answer 38

ccccccccc

Answer 39

c

Answer 40

yes

Answer 41

:/

Answer 42

this is not an abc question it is type it in

Answer 43

whats that for

Answer 44

ok let me look again

Answer 45

it says type it in i wish i did have abc and d i am sorry

Answer 46

its all good

Answer 47

-x+-

Answer 48

we have to figure that out

Answer 49

its going to take me a little time to figure it out but i am good at algerbra

Answer 50

ok

Answer 51

are you still here

Answer 52

i think its addition

Answer 53

ok let me try again

Answer 54

it is 13x+6

Answer 55

+

Answer 56

yes i added

Answer 57

lets do another one

Answer 58

ok

Answer 59

one more

Answer 60

What is the perimeter of a triangle with the given side lengths?

s1 = x – 3 ft
s2 = x + 2 ft
s3 = x + 4 ft

P = x + ft

Answer 61

6

Answer 62

on both

Answer 63

6x+6ft

Answer 64

yes

Answer 65

thanks

Answer 66

i have to go

Answer 67

no prob

Answer 68

see you later i guess

Answer 69

bye

Answer 70

bye