sarahc
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0 
Questions Asked

sarahc:
Group Title
Use mathematical induction to prove the statement is true for all positive integers n.
8 + 16 + 24 + ... + 8n = 4n(n + 1)
 updated 3 days ago
 17 replies
 2 Medals
Mathematics

sarahc:
Group Title
A certain species of tree grows an average of 4.2 cm per week. Write an equation for the sequence that represents the weekly height of this …
 updated 2 days ago
 3 replies
 2 Medals
Mathematics

sarahc:
Group Title
A certain species of tree grows an average of 4.2 cm per week. Write an equation for the sequence that represents the weekly height of this …
 updated 3 days ago
 2 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Use mathematical induction to prove the statement is true for all positive integers n.
8 + 16 + 24 + ... + 8n = 4n(n + 1)
 updated 3 days ago
 1 reply
 No Medals Yet
Mathematics

sarahc:
Group Title
Find an equation for the nth term of the arithmetic sequence.
17, 14, 11, 8, ...
…
 updated 3 days ago
 2 replies
 1 Medal
Mathematics

sarahc:
Group Title
Write the sum using summation notation, assuming the suggested pattern continues.
729 + 1000 + 1331 + 1728 + ... + n3
…
 updated 3 days ago
 15 replies
 2 Medals
Mathematics

sarahc:
Group Title
HELP!
Let u = <6, 3>, v = <1, 6>. Find 4u + 2v.
…
 updated 4 days ago
 2 replies
 2 Medals
Mathematics

sarahc:
Group Title
Find the fourth roots of 16(cos 200° + i sin 200°).
…
 updated 4 days ago
 3 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Let u = <6, 3>, v = <1, 6>. Find 4u + 2v.
<26, 3>
…
 updated 4 days ago
 No Medals Yet
Mathematics

sarahc:
Group Title
Let u = <6, 9>, v = <1, 4>. Find u  v.
<5, 5>
…
 updated 4 days ago
 2 replies
 1 Medal
Mathematics

sarahc:
Group Title
Let u = <6, 3>, v = <1, 6>. Find 4u + 2v.
<26, 3>
…
 updated 4 days ago
 No Medals Yet
Mathematics

sarahc:
Group Title
Find a ⋅ b.
a = 6i  6j, b = 4i + 2j
…
 updated 4 days ago
 9 replies
 1 Medal
Mathematics

sarahc:
Group Title
The given measurements may or may not determine a triangle. If not, then state that no triangle is formed. If a triangle is formed, then use…
 updated 4 days ago
 2 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Express the complex number in trigonometric form.
5i
…
 updated 4 days ago
 4 replies
 1 Medal
Mathematics

sarahc:
Group Title
Evaluate the expression.
r = <5, 9, 4>, v = <3, 3, 8>, w = <9, 6, 1>
…
 updated 10 days ago
 2 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Evaluate the expression.
r = <5, 9, 4>, v = <3, 3, 8>, w = <9, 6, 1>
…
 updated 10 days ago
 4 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Evaluate the expression.
r = <5, 9, 4>, v = <3, 3, 8>, w = <9, 6, 1>
…
 updated 10 days ago
 No Medals Yet
Mathematics

sarahc:
Group Title
Determine whether the vectors u and v are parallel, orthogonal, or neither.
u = <1, 2>, v = <4, 8>
 updated 11 days ago
 8 replies
 1 Medal
Mathematics

sarahc:
Group Title
Please help :)
Find a ⋅ b.
…
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

sarahc:
Group Title
Find a ⋅ b.
a = <2, 4>, b = <2, 5>
…
 updated one month ago
 2 replies
 No Medals Yet
Mathematics

sarahc:
Group Title
Find a ⋅ b.
a = <2, 4>, b = <2, 5>
…
 updated one month ago
 No Medals Yet
Mathematics

sarahc:
Group Title
Evaluate the expression:
v ⋅ w
…
 updated one month ago
 3 replies
 1 Medal
Mathematics

sarahc:
Group Title
Find a ⋅ b.
a = <2, 4>, b = <2, 5>
…
 updated one month ago
 No Medals Yet
Mathematics

sarahc:
Group Title
Find a ⋅ b.
a = <2, 4>, b = <2, 5>
…
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

sarahc:
Group Title
Find the angle between the given vectors to the nearest tenth of a degree.
u = <6, 1>, v = <7, 4>
…
 updated one month ago
 1 reply
 1 Medal
Mathematics

sarahc:
Group Title
Let u = <7, 2>. Find 8u.
<56, 16>
…
 updated one month ago
 1 reply
 1 Medal
Mathematics

sarahc:
Group Title
Let u = <4, 8>, v = <2, 6>. Find u + v.
<6, 2>
…
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

sarahc:
Group Title
PRE CALC HELP? Two weather tracking stations are on the equator 146 miles apart. A weather balloon is located on a bearing of N 35°E from th…
 updated 2 months ago
 6 replies
 1 Medal
Mathematics

sarahc:
Group Title
Small fishes that eat zooplankton are
tertiary consumers
secondary consumers
…
 updated 6 months ago
 No Medals Yet
Mathematics

sarahc:
Group Title
If there are 500 oak trees in a forest covering 50 square kilometers then the population density is
10 trees per square kilometer
100 tr…
 updated 6 months ago
 5 replies
 3 Medals
Mathematics
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