1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ryzh [129]
3 years ago
12

Coefficient of x^2 in expansion of (x+2)^5

Mathematics
1 answer:
iVinArrow [24]3 years ago
8 0
The x² term will be C(5,2)x²·2³ = 80x².

The coefficient is 80.

_____
C(n, k) = n!/(k!·(n-k)!)
C(5, 2) = 5·4/(2·1) = 10
You might be interested in
Rounding decimals 32.60
UNO [17]
Well, assuming that you need to round to the nearest whole number, what is six closer to? 0, or 10? The answer is 10. Therefore, you would round up to 33. Hope this helps!
7 0
3 years ago
Read 2 more answers
Victoria combined 2 3/4 cups of granola and 1 1/4 cups of raisins to make trail mix. How much trail mix did she make?
Alenkinab [10]
2 and 3/4 + 1 and 1/4 = 3 and 4/4 = 4
5 0
2 years ago
Read 2 more answers
Let f(x) = ............
34kurt

Answer:

So first lets find g(-1)

so we plug in the answers:

-2 * -1 ^2 -4

-2*1-4 = -2-4 =

-6

Now lets solve for f(-2)

-2^2-3

4-3=1

-6+1 = 5

3*5 = 15

Im getting answer of 15 but it shows -15 or something, so I dont know if I got it wrong or if its like a dash then the answer.

3 0
3 years ago
In 1940 you could buy a soda for 5 cents. Today the average cost of the same size soda is $1.25. What is the percent of increase
svlad2 [7]

Answer:

2400%

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Which is shortest 0.81m 1.08m 0.8m 180cm 18cm
UkoKoshka [18]
I belive its 18cm,,,,,,,,,,,,,,,,,,,,,,,,,,,,
5 0
3 years ago
Other questions:
  • Find the area of the circle.. PLEASE HELP
    8·2 answers
  • Which triangle is similar to AJKL?<br> Ο ΔJKM<br> Ο ΔΜΚL<br> AKML
    9·1 answer
  • Lines c and d are parallel lines cut by transversalp.
    15·1 answer
  • which must be true of a quadratic function whose vertex is the same as its y-intercept? the axis of symmetry for the function is
    14·2 answers
  • The bill for dinner is $31.85. There is 8% sales tax and you leave a 15% tip. What is the total cost of your dinner?
    6·1 answer
  • What is the area of this figure?<br><br> Enter your answer as a decimal in the box.<br><br><br> cm²
    10·1 answer
  • Write an expression equivalent to 4-2(x+5) that has two terms
    9·2 answers
  • I need help in this question
    8·1 answer
  • PLS HELP!! :))<br><br> Find the volume......
    6·1 answer
  • Hi, i'm working on a presentation
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!