Answer: 2+7x-4
Step-by-step explanation:
Product implies multiplication so just multiply it out.
(2x-1) (x+4)
2x^2+8x-1x-4 (Combine like terms)
2x^2+7x-4
Triangle ABC is similar to triangle EBD.
2 answers:
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Answer:
$2253.98
Step-by-step explanation:
Jim received a $2000 loan from his bank. The loan accrues 3% interest every 3 months.
P=2000
r= 3%=0.03 and t= 4 years
interest every 3 months so n= 4
<h3>Answer:</h3>
- left picture (bottom expression): -cot(x)
- right picture (top expression): tan(x)
A graphing calculator can show you a graph of each expression, which you can compare to the offered choices.
_____
You can make use of the relations ...
... sin(a)+sin(b) = 2sin((a+b)/2)cos((a-b)/2)
... cos(a)+cos(b) = 2cos((a+b)/2)cos((a-b)/2)
... cos(a)-cos(b) = -2sin((a+b)/2)sin((a-b)/2)
Then you have ...
and ...