Sunday
May 19, 2013

Posts by Brandon


Total # Posts: 883

geometry
Which type(s) of symmetry does the uppercase letter H have? my answer i believe is reflectional symmetry Which type of symmetry is shown by the lowercase letter w? my answer i believe is rotational symmetry. Could someone please check and explain.

geometry
What is the image of A(3,-1) after a reflection, first across the line y=3, and then across the line x=-1? I believe (3,-1) but not real sure, doesn't the x stay the same?

geometry
The coordinates of the vertices of triangle CDE are C(1,4), D(3,6), and E(7,4). If the triangle is reflected over the line y=3, what are the coordinates of the image of D? I think (3,-6), but not real sure.

geometry
Thank you I see what I did wrong.

geometry
In the graph below, point D is reflected across the y-axis. What are the coordinates of it's image? The graph looks like D is below the x-axis to the right 3 places from y-axis and down 1 place from x-axis. So would my answer be (3,1)?

Math
Hello Diana, Remember the three basic rules when dealing with logs: n * log(A) = log(A^n) log(A) + log(B) = log(A*B) log(A) - log(B) = log(A/B) Also note that log, and ln are both logarithms and interchangable, just with base 10 for log and base of nature exponent e for ln. Us...

trig
Find the value of theta (in radians) corresponding to the point (6,-8)

Math
Matt has a deck of 20 cards. Of these 15 are numbers cards and 5 face cards. What is the probability of drawing a number card from the whole deck?

PHYSICS-electricity & magnetism
-e and +e respectively

PHYSICS-electricity & magnetism
An electric field exits inside a fluorescent tube of diameter 3.00cm. In one second, 2.00x10^18 electrons and 0.50x10^18 positive ions pass through a certain cross section. What is the current in the tube?

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