Answer:
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Step-by-step explanation:
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Answer:
f(x)=x^2+3
f(x+y)=(x+y)^2+3
this is done by replacing x with (x+y)
f(x+y)=x^2+2xy+y^2+3
therefore : f(x+y)= x^2+y^2+2xy+3
Base from the given that <span>tan X =sin X / cos X. so the answer to the question what is tan ( 90 - A) is:
first let X = 90 - A
substituting from the given that
</span>tan X =sin X / cos X
tan ( 90 - A) = sin ( 90 - A) / cos ( 90 - A)
i hope this can help with your question. feel free to ask frther clarifications
Answer:
It’s A
Step-by-step explanation: just took the quiz and just read the chart it tells you.
Y=2x+5
4x-2y=-10
4x-2(2x+5)=-10
4x-4x-10=-10
-10=-10
