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Lisa [10]
3 years ago
11

HELP ASAP! Algebra II Questions!!

Mathematics
1 answer:
Stella [2.4K]3 years ago
4 0

Answer:

The answer to your question is: the last option   5a² + 3b + 6a

Step-by-step explanation:

                            7a² + 3b + 6a - 2a²

 look for like terms

                           7a² - 2a²        3b         6a

Simplify like terms

                          5a² + 3b + 6a

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If f(x)=(3x=7)^2, then f(1)=?
Nesterboy [21]
F(x + 1) = 3(x + 1) + 4 = 3x + 7
Hopefully this helps
7 0
4 years ago
Eight members of a chess club are having a tournament. In the first round every player will play a chess game against every othe
monitta
Same as handshake problem.
Each of n persons plays against n-1 persons for a total of n(n-1)/2 games.
The division by 2 is necessary to avoid double counting the game A vs B and B vs A.

For n=8, then number of games played in the first round is 8(8-1)/2=28 games.

3 0
3 years ago
— 3х – 2y = 16<br> х+ 9y = 28
Alla [95]

Answer:

x=-8

y=4

Step-by-step explanation:

first you multiply this equation (-3x-2y=16) with negativ it will be like this 3x+2y=-16

3x+2y=-16

(x+9y=28)3 _multiply with 3

3x+2y=-16

3x+27y=84

use minus(-) =3x-3x=0

=2y-27y=-25y

=-16-84=-100

the result:-25y=-100

y=4

take any simple equation and replace y with 4

x+9y=28

x+9(4)=28

x+36=28

x=28-36

x=-8

answer:x=-8,y=4

5 0
3 years ago
Will mark brainliest pls help asap
77julia77 [94]
The inter-quartile range is the range of the box.

20 - 17
3

Hope this helps!
3 0
3 years ago
Read 2 more answers
Mr. Thompson is a cook at a restaurant that serves breakfast. On Tuesday, he used 5 pounds of 9 16 1 pancake mix. On Wednesday,
aksik [14]

Answer:

Since 5 9/16 is closest to 6, and 4 1/8 is closest to the benchmark 4. The total of the benchmark is 10. So, Parker's estimate is (I'm assuming the dropdown had "wrong" as an option)

Step-by-step explanation:

Parker assumed that Mr.Thompson used about nine pounds of pancake mix. Parker was fairly close but just one off. If you were to solve this without having to use a whole number for an estimate. The answer would be 9 11/16, instead of 10. Anyways, I should explain why 5 9/16 is round to 6. It's rounded to six as a whole number because 9/16 is over half of 16. Half of 16 is "8".So anything that is 8/16 and up is automatically round to the number ahead (that's whole).

I hope this helps!!!

Please mark brainliest :)

5 0
1 year ago
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