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scZoUnD [109]
3 years ago
6

What is the simplified form of 2n+3(n+4)

Mathematics
1 answer:
Andrews [41]3 years ago
5 0

Answer:

5n + 12

Step-by-step explanation:

Perform the indicated multiplication.  Then combine like terms:

2n + 3n + 12 = 5n + 12 (answer)

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HOW MANY DIFFERENT COMMITTEES CAN BE FORMED FROM 4 TEACHERS AND 20
Daniel [21]

Answer:

6840

Step-by-step explanation:

multiply combinations

n!/(r!(n − r)!)

n choose r

n (objects) = |n

r (sample) = r

(4 teachers, CHOOSE 2)*(20 students, CHOOSE 3)

C(4,2) times C(20,3) =

C(n,r)=?

C(n,r) = C(4,2)

4! / (2!(4-2)!)

4! /2! x 2!

= 6

C(n,r)=?

C(n,r) = C(20,3)

20! / (3!(20-3)!)

20! /  3! x 17!

= 1140

6 * 1140 = 6840

alegbracom Edwin McCravy

4 0
1 year ago
The county fair charges $1.25 per ticket for the rides. Spencer bought 17 tickets for the rides and spent a total of $30.75 at t
lara [203]

Answer:

y = 17x + 9.5

Step-by-step explanation:

17 * 1.25 = 21.25    therefore 30.75 - 21.25 = 9.5  = $9.50 admission   therefore y = 17x + 9.5

8 0
2 years ago
I need to know if the answer to number 9. Is correct
slava [35]
The answer to number 9 would be 43. 

Since it tells you that there is a straight angle that would equal 180. So I added up 61 30 and 46. I got 137. Then subtracted 137 from 180 and got 43.
8 0
3 years ago
Can someone help me with this please?​
Vladimir79 [104]
With what? Don’t see anything
6 0
3 years ago
The sum of 9 and twice a number
timofeeve [1]

Answer:

2x + 9

Step-by-step explanation:

Let, "A number", be denoted by the variable, x.

Note the meaning of each part:

"the sum" means addition, or + .

"twice" means multiply by 2

Put the parts together:

The sum of 9 and twice a number

2x + 9 is your amsw34.

3 0
2 years ago
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