Use substitution to determine whether the given x-value is a solution of the equation.cos x + 1 = sin x, x = 
A. Yes
B. No
Answer: B
Mathematics
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Solve the equation for the indicated variable.F = 
- 
, m > n for a (force between two molecules)
A. a = Frm + brm - n B. a = Frm + n + brm C. a = Frm - brm - n D. a = Frm - brn - m
Mathematics
Write a negation of the statement. Everyone is asleep.
A. Everyone is not asleep. B. None are asleep. C. Not everyone is asleep. D. Everyone is awake.
Mathematics
Solve the problem.The future value of a simple interest investment is given by S = P(1 + rt), where P is the principal invested at a simple interest rate r for t years. What principal P must be invested for 
at the simple interest rate 
so that the future value grows to $3600.
A. $3503.65 B. $3472.67 C. $127.33 D. $3243.24
Mathematics
Graph the quadratic equation.y = x2 + 4x + 4
A. 
B. 
C. 
D. 
Mathematics