If you have 24 months to save $4,220 how much would you have to save each month
1 answer:
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Answer:
Equivalent expressions
A)
C)
Step-by-step explanation:
Given expression :
Choices given :
A)
B)
C)
D)
To find the equivalent expression.
We will first evaluate the given expression.
⇒ [Quotient of a negative dividend and a positive divisor is always negative]
Evaluating each choice to select the equivalents.
A)
⇒ [Quotient of a positive dividend and a negative divisor is always negative]
B)
⇒
⇒
C)
⇒ [Product of a positive and a negative is always a negative]
⇒
D)
⇒ [Product of two negatives is always a positive]
⇒
∴ We see that the choices A and C are equivalent.
Hi there!
To solve, we must use the following trig identity:
sin(u - v) = sin(u)cos(v) - sin(v)cos(u)
We can rewrite the left hand side of the equation as:
Split the fraction:
First fraction reduces to 1:
Simpify each with common arguments: