Answer:
c
Step-by-step explanation:
Answer: B
Step-by-step explanation: If you multipley both 3 and 5 by the same number 4 you get the ratio 12:20
Answer:
Step-by-step explanation:
The no of different ways in which these restaurants can be visited
= ¹⁵P₁₅
= 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
= 1.30 x 10¹²
b ) Each combination takes 1 week and 50 weeks in a year to work
No of years to take to try all the combination
= 1.30 x 10¹² / 50
= 2.615 x 10¹⁰ years .
Answer:
3. a-9b-4
4. -6p+19
Step-by-step explanation:
you have to combine like terms.
Can a vector have nonzero magnitude if a component is zero?
Yes, a vector can have zero components along a line and still have a non-zero magnitude.
Example: Consider a two dimensional vector 2i + 0j. This vector has zero components along a line lying along the Y - axis and a non- zero component along the X - axis. The magnitude of the vector is also non - zero.
Now, magnitude of 2i + 0j =
=2
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