Answer:
a. 
Step-by-step explanation:
The given vector is v= 4i - 5j
The magnitude of this vector is;



The unit vector u in the direction of v is;



We rationalize to get

Answer:
Step-by-step explanation:
cos(c)= x/ac
ac = cos32/9.4
ac =11.08
Answer:
Therefore the number of brown shells in each necklace was = 2 brown shells.
Step-by-step explanation:
If Julie made identical necklaces then we can say that number of each different colored shells were equally distributed among the necklaces.
So we can say that to find the number of necklaces we have to find the GCD (greatest common denominator) of the different colored shells.
Therefore the GCD of 10, 15 and 20 is 5.
Therefore Julia made 5 necklaces.
Therefore the number of brown shells in each necklace was =
= 2 shells.
To solve an equation for a variable, you must isolate the variable on either side of the equation. To do this, simply subtract 32 from both sides of the original equation:
F ( – 32 ) = C + 32 ( – 32 )
F – 32 = C
We have proven that C is equal to (F – 32). This equation (bold) is the answer to your problem.
I hope this helps!
Answer:
Step-by-step explanation:
1-3n=-9+n+2 ---> -3n-n=-1+-9+2 --> -4n=-8 ---> n=2