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Elina [12.6K]
2 years ago
6

PLZZZ help with this its pretty simple!

Mathematics
2 answers:
andreev551 [17]2 years ago
6 0

Step-by-step explanation:

the parenthesis are there just to confuse you. Since there are no negatives or numbers outside of the parenthesis, you do not need them.

2x^3-5+x^3+3

add like terms

3x^3-2

Hope that help :)

mrs_skeptik [129]2 years ago
4 0
3x^3 -2 the sign ^ that means the number three go above
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If Y is the midpoint of segement WZ, YZ = x + 3, and WZ = 3x-4, determine the length of segment WZ
Georgia [21]
This is my answer! I solve it by myself, check it out!!!! Sorry for late

3 0
3 years ago
What is the area of this octagon
Juliette [100K]

Answer:

59cm^2

Step-by-step explanation:

first you can do 8x9 to get 72 then you can subtract 4x2 from 72 to get 64 and lastly you have to subtract 4 from 9 to get the area of the small rectangle on the left so you get 5 and then you have to get the width which is 4+3 from the top and subtract that from 8 on the bottom which is 1 so now you have 5x1 which is 5 and subtract that from 64 to get 59cm^2

hope this helps

4 0
2 years ago
HELP PLEASE!
amid [387]
D. 60

when subtracting a negative from a positive use KCC 
K eep
C hange
C hange

you keep the first number change the subtraction to a addition and make the negative a positive

35-(-25)
=======
35+(-25)
=======
35+25
=======
60
7 0
3 years ago
Please help this is due in tomorrow you dont have to answer all questions
Kisachek [45]

Answer:

1 is multiplication

2 is division

3 is parentheses

4 is exponents

5 is parentheses

6 is exponents

7 is G.

8 is F.

9 is H.

10 is A.

11 is C.

12 is E.

13 is D.

14 is B.

Step-by-step explanation:

PEMDAS

parentheses

exponents

multiplication

division

addition

subtraction

do it in that order. but multiplication and division are on the same level so whichever comes firsts gets solved first and addition and subtraction are on the same level so whichever that come first gets solved first

7 0
3 years ago
Which of the following are identities? Check all that apply.​
Hatshy [7]

Answer:

b. cos²3x - sin²3x = cos6x

if its wrong sorry

hope this helps you☺️☺️

5 0
3 years ago
Read 2 more answers
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