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grin007 [14]
1 year ago
11

Simplify: 2n (n^2 + 3n + 4)

Mathematics
2 answers:
Serggg [28]1 year ago
5 0

Answer:

2n^3 + 6n^2 + 8n

katrin [286]1 year ago
3 0

Answer: It's 2n^3 + 6n^2 + 8n

Step-by-step explanation:

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For a particular​ event, 771 tickets were sold for a total of ​$3037. If students paid ​$3 per ticket and non-students paid ​$5
BlackZzzverrR [31]

Answer:

Number of student tickets were sold = 409

Step-by-step explanation:

Total number of tickets sold = 771

I.e Students ticket (S) + Non students ticket(N S)  = 771

Total amount to be paid for tickets = $ 3037

Amount paid by students per tickets = $3

Amount paid by non-students per tickets = $5

So, according to question

S + NS = 771

3 S + 5 NS = 3037

Solve both equations  

5 S + 5 NS = 771 × 5

3 S + 5 NS = 3037

so ,

(5 S + 5 NS) - (3 S + 5 NS ) = 3855 - 3037

Or, 2 S = 818

I.e S = \frac{818}{2} = 409

Hence, The number of student tickets were sold = 409      Answer

5 0
3 years ago
What times 85 dives you 2790
musickatia [10]

Answer:

34.875

Step-by-step explanation:

4 0
3 years ago
Find the following product 4x+5(4x-5)
sveticcg [70]
8x is the final answer.
4 0
3 years ago
Factor each polynomial<br> 4z^2+4z-15
Mkey [24]

Answer:

(2z + 5)(2z - 3)

Step-by-step explanation:

4z² + 4z - 15

4z² + 10z - 6z - 15

2z (2z + 5) - 3 (2z + 5)

(2z + 5)(2z - 3)

7 0
2 years ago
Read 2 more answers
A kite flying in the air has an 11 - ft line attached to it. Its line is pulled taut and casts an 8 - ft shadow. Find the height
Fofino [41]
The line, shadow and the height form a right angled triangle so we can apply the Pythagoras theorem here:-

11^2 = h^2 + 8^2       where h = height of the kite
h^2 = 11^2 - 8^2
h^2 = 57
h = 7.55 ft to the nearest foot   Answer
5 0
3 years ago
Read 2 more answers
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