How many solutions does the following equation have
2 answers:
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<u>The angle based on the diameter is always right</u>
Then <ABC=90 and ∠BAC=∠ACB=45° ; and ∠BCD=180-45=135 then x=(180-135):2=22,5°
To solve the the question we proceed as follows:
From trigonometric laws
si
thus
=[sin x cos y-sin y cos x]/[cos x cos y+sin x sin y]
plugging in the values we obtain:
simplifying
Answer:
Find out the what does the value 500 represent in this situation .
To prove
As given
The amount of money in a savings account after t years is represented by the function.
Exponential function for amount is given by .
Wher a is the initial value, r is the rate in decimal form and t is the time.
Compare the functions
and
Thus a = 500
Therefor $500 is the initial value .