Solve the problem.Find a so that the vectors v = i + aj and w = -4i - 2j are orthogonal.
A. 
B. - 
C. 2
D. - 2
Answer: D
Mathematics
You might also like to view...
Write each rate as a unit rate.
?
people living in 
square
A.
people per square mi
B.
people per square mi
C.
people per square mi
D.
people per square mi
E.
people per square mi
Mathematics
Provide an appropriate response.Perform the indicated operation, leaving the answer in lowest terms: 
× 
=
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.-7y = -42
A. -35 B. -42 C. 6 D. 35
Mathematics
Solve the problem.Ralph is paid $575 per month plus a commission of 3.2% of the first $3500 of sales, 5.4% of the next $3500 of sales, and 7.75% of all sales over $7000. Find Ralph's gross pay for a month with $31,600 in sales.
A. $2207.50 B. $5741.60 C. $2782.50 D. $3024.00
Mathematics