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rodikova [14]
3 years ago
14

a computerized video display begins with one polygon in the screen. additional polygons appear on the screen after each second.

the graph shows the total number of sides on the screen as a function time. which number is the best estimate for the number of sides on the screen after 3 s?
Mathematics
2 answers:
olga55 [171]3 years ago
7 0

Answer:

the answer is 24

Step-by-step explanation:

Sever21 [200]3 years ago
7 0

Answer:

The answer is 24

Step-by-step explanation:

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I need help pleaseeeee
Maksim231197 [3]

Answer:

D)

Step-by-step explanation:

49 degrees + 86 degrees = 135 degrees

line QT=180 degrees

135 degrees + 45 degrees = 180 degrees

8 0
2 years ago
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MAXImum [283]
Hi there’s some math apps for this
3 0
3 years ago
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Simplify (3x2 – 4x – 1) + (8x2 – x + 6)
abruzzese [7]

Answer:

11x^{2} -5x+5

Step-by-step explanation:

3x^{2}-4x-1+8x^{2} -x+6

3x^{2}+8x^{2}-4x-x-1+6

Combine like terms

11x^{2}-5x +5

6 0
3 years ago
Consider the function f given by f(x)=x*(e^(-x^2)) for all real numbers x.
NISA [10]

Answer:

\frac{\sqrt{\pi}}{4}

Step-by-step explanation:

You are going to integrate the following function:

g(x)=x*f(x)=x*xe^{-x^2}=x^2e^{-x^2}  (1)

furthermore, you know that:

\int_0^{\infty}e^{-x^2}=\frac{\sqrt{\pi}}{2}

lets call to this integral, the integral Io.

for a general form of I you have In:

I_n=\int_0^{\infty}x^ne^{-ax^2}dx

furthermore you use the fact that:

I_n=-\frac{\partial I_{n-2}}{\partial a}

by using this last expression in an iterative way you obtain the following:

\int_0^{\infty}x^{2s}e^{-ax^2}dx=\frac{(2s-1)!!}{2^{s+1}a^s}\sqrt{\frac{\pi}{a}} (2)

with n=2s a even number

for s=1 you have n=2, that is, the function g(x). By using the equation (2) (with a = 1) you finally obtain:

\int_0^{\infty}x^2e^{-x^2}dx=\frac{(2(1)-1)!}{2^{1+1}(1^1)}\sqrt{\pi}=\frac{\sqrt{\pi}}{4}

5 0
2 years ago
Read 2 more answers
State if the triangles in each pair are similar. If so, state how you know they are<br> similar.
saul85 [17]
They are similar because they both are triangles. But they are not the same size.
3 0
2 years ago
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