Solve the problem.Matthew has $5600 invested in the stock market. This amounts to 40% of his total savings. How much has Matthew saved?
A. $14,010
B. $140,000
C. $14,100
D. $14,000
Answer: D
Mathematics
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Find the particular solution to the given differential equation that satisfies the given conditions.3
- 13
+ 4y = xe-2x; 
= - 
and y = 
when x = 0
A. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
B. y = 
e4x - 
ex/3 - 
xe-2x + 
e-2x
C. y = 
e4x + 
ex/3 + 
xe-2x + 
e-2x
D. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
Mathematics
Evaluate the exponential expression.(-1)5
A. 5 B. 1 C. -5 D. -1
Mathematics
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Mathematics
Simplify. Write answers without negative exponents. Assume that all variables represent nonzero real numbers.
-3
A. 
B. 
C. 
D. 
Mathematics