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lev888
replied to the thread
Geometry
.
It's good that you are checking whether the answer is reasonable. But in this case it's the diagram that's misleading you. The angle PQR...
20 minutes ago
Dr.Peterson
replied to the thread
Geometry
.
Yes, it's the 150 degree angle that makes the difference. As a result, the altitude of the triangle with respect to QR as base is only...
21 minutes ago
R
reggiwilliams
replied to the thread
Geometry
.
My calculation was1/2x6x15xSin150 Ie 22.5 When you consider area of PSQ is 24 just thought visually area of PQR would have been bigger...
41 minutes ago
Dr.Peterson
replied to the thread
Vector equation of a plane given 2 lines
.
But you are not given three points! (Well, you are, implicitly, but that's the long way.) You can get the two vectors directly from the...
Today at 9:59 AM
lev888
replied to the thread
Geometry
.
The solution looks good (didn't check the calculations). Why does the area seem too small?
Today at 9:53 AM
R
reggiwilliams
replied to the thread
Geometry
.
Question attached
Today at 9:41 AM
blamocur
replied to the thread
Vector equation of a plane given 2 lines
.
Can you show us how you get your answer? Thanks.
Today at 9:17 AM
S
Skelly4444
posted the thread
Vector equation of a plane given 2 lines
in
Geometry and Trig
.
I am having trouble obtaining the vector equation of a plane that contains 2 known lines. The lines intersect at the point (1,-3,14)...
Today at 9:07 AM
lev888
replied to the thread
Geometry
.
Where is the question?
Today at 8:56 AM
R
reggiwilliams
posted the thread
Geometry
in
Geometry and Trig
.
Revising geometry at present and came across this question Using Pythagoras calculated length 6m for PQ length 15m for QR. As far as...
Today at 8:52 AM
R
reggiwilliams
replied to the thread
Probability Normal Distribution
.
Sorted thank you
Today at 4:55 AM
K
khansaheb
replied to the thread
I have no clue pls help urgent: Davis wants to buy 9 bars of chocolate but is short of $ 2.50...
.
almost a month has gone by and OP is AWOL. Following up from response #5 (i) 2*C + 5.20 = m = 9 * C - 2.50 5.20 + 2.5 = 9*C - 2 *C...
Yesterday at 10:29 PM
R
Raanikeri
reacted to
mario99's post
in the thread
How do I find the nth term of this sequence?
with
Like
.
Hint: use (-1)^{n+1} a_n = (-1)^{n+1}b_n It is easy to guess b_n now.
Yesterday at 9:06 PM
R
Raanikeri
reacted to
topsquark's post
in the thread
How do I find the nth term of this sequence?
with
Like
.
The nth term would be (-1)^{n+1}n. -Dan
Yesterday at 9:06 PM
F
fresh_42
replied to the thread
Earth curvature help please (My brother-in-law is a flat earther and sent me this video about earth curvature.)
.
Here is how he did it:
Yesterday at 8:28 PM
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