Answer:
A -60i - 14j
Step-by-step explanation:
u = -9i + 8j
v = 7i + 5j
2u = 2(-9i + 8j) = -18i + 16j
6v = 6(7i + 5j) = 42i + 30j
2u - 6v
(-18i + 16j) - (42i + 30j)
(-18i - 42i) + (16j-30j)
-60i - 14j
Answer: a = 8
Step-by-step explanation:
Volume of a square based pyramid is given as
.
where a is the length of the side and h is the height.
Substituting into the formula , we have
V =
128 = 
/3
384= 
X 6
Divide through by 6
384/6 =
64 =
Therefore :
a = 
a = 8
Answer:
The answers for your question is 0.17
Answer:
No Tyrell is incorrect.
Step-by-step explanation:
Tyrell is incorrect because if you take any even number and subtract one from it you would get an odd number. For example take 20, if you do 20-1 then that would give you 19.
<span>2880; to find this out you can just multiply 4/5 by 3600.</span>
