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Troyanec [42]
3 years ago
7

A robot travels from position A to B to C to D, What composition of rigid motions represents those moves?

Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0

Assuming each movement is in a straight​ line, the composition

<h3>T <1,3> o T <4,0> o T <2,3></h3>

represents the moves.

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For the function given​ below, find a formula for the riemann sum obtained by dividing the interval​ [a,b] into n equal subinter
Nata [24]

We split [2, 4] into n subintervals of length \dfrac{4-2}n=\dfrac2n,

[2,4]=\left[2,2+\dfrac2n\right]\cup\left[2+\dfrac2n,2+\dfrac4n\right]\cup\left[2+\dfrac4n,2+\dfrac6n\right]\cup\cdots\cup\left[2+\dfrac{2(n-1)}n,4\right]

so that the right endpoints are given by the sequence

x_i=2+\dfrac{2i}n=\dfrac{2(n+i)}n

for 1\le i\le n. Then the Riemann sum approximating

\displaystyle\int_2^42x\,\mathrm dx

is

\displaystyle\sum_{i=1}^nf(x_i)\dfrac{4-2}n=\frac8{n^2}\sum_{i=1}^n(n+i)=\frac8{n^2}\left(n^2+\frac{n(n+1)}2\right)=\frac{12n+4}n

The integral is given exactly as n\to\infty, for which we get

\displaystyle\int_2^42x\,\mathrm dx=\lim_{n\to\infty}\frac{12n+4}n=12

To check: we have

\displaystyle\int_2^42x\,\mathrm dx=x^2\bigg|_2^4=4^2-2^2=16-4=12

7 0
3 years ago
use a method of completing the square in order to rewrite the function f(x)=x^2+5x-2 in vertex form, f(x)=a(x-h)^2+k where (h,k)
yuradex [85]
      f(x) = x² + 5x - 2
f(x) + 2 = x² + 5x - 2 + 2
f(x) + 2 = x² + 5x
f(x) + 2 = x(x) + x(5)
f(x) + 2 = x(x + 5)
      f(x) = x(x + 5) - 2
   (h, k) = (-5, 2)
6 0
4 years ago
Numbers 3 and 4 are difficult
Tju [1.3M]
3) Multiply the price of the item ($40) by the percent of the sales tax (8%).  Then add that to the price of the item to get the total.

=$40 * 8%
=40 * 0.08
=$3.20 tax

=$40 price of item + $3.20 tax
=$43.20 total

5) Multiply the number of students in the band last year (36) by the percentage  increased (125%).

=36 * 125%
=36 * 1.25
=45

Hope this helps!  :)
5 0
3 years ago
4x^{2}+16y^{2}-24x+64y+36=0<br> The center is:<br> The vertices are:<br> The foci are:
gulaghasi [49]

For the given equation,4x²−y²−24x−4y+28=0.The center is (h,k)=(3,−2), vertex (h+a,k)=(4,−2) and (h−a,k)=(2,−2), foci is (h+c,k)=(5.23,−2) and (h−c,k)=(0.77,−2)

<h3>What is the equation?</h3>

An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.

It is given that, the equation of the hyperbola is,

4x²−y²−24x−4y+28=0

Comparing the equation with the standard equation we get,

Center (h,k)=(3,−2)

Vertex (h+a,k)=(4,−2) and (h−a,k)=(2,−2)

Foci (h+c,k)=(5.23,−2) and (h−c,k)=(0.77,−2)

Asymptotes y=2x−8 and y=−2x+4

Thus, for the given equation,4x²−y²−24x−4y+28=0.The center is (h,k)=(3,−2), vertex (h+a,k)=(4,−2) and (h−a,k)=(2,−2), foci is (h+c,k)=(5.23,−2) and (h−c,k)=(0.77,−2)

Learn more about the equation here,

brainly.com/question/10413253

#SPJ2

6 0
2 years ago
Which expression is equivalent to the one below? minus 1 over 2 open parentheses 10 plus 1 over 4 close parentheses
Nady [450]

Answer:

300

Step-by-step explanation:

6 0
3 years ago
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