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Margaret [11]
3 years ago
12

PLZ HELP ME 50 POINTS AND BRAINLIEST

Mathematics
1 answer:
Tom [10]3 years ago
3 0
I think the answer is 745
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Look at the attachment<br>Simplified it too <br>pls take it seriously ​
Phantasy [73]

\\ \rm\rightarrowtail \dfrac{sin(180+A)+2cos(180+A).cos(A-180)}{2cos^2(360+A)-cos(-A)}

\\ \rm\rightarrowtail \dfrac{-sinA+2(cos^2A-sin^2A)}{2cos^2A-cosA}

\\ \rm\rightarrowtail \dfrac{-sinA+2cos^2A-2sin^2A}{cosA(2cosA-1)}

\\ \rm\rightarrowtail \dfrac{-sinA+2-2sin^2A-2sin^2A}{cosA(2cosA-1)}

\\ \rm\rightarrowtail \dfrac{-sinA-4sin^2A}{cosA(2cosA-1)}

\\ \rm\rightarrowtail \dfrac{-sinA(4sinA-1)}{cosA(2cosA-1)}

\\ \rm\rightarrowtail -tanA\left(\dfrac{4sinA-1}{2cosA-1}\right)

5 0
2 years ago
In the diagram, AB=18. find AC and BC
LuckyWell [14K]

Answer:

b

Step-by-step explanation:

In a 30-60-90 right triangle, the hypotenuse is twice the length of the short leg.

The hypotenuse is AB and is 18.

The short leg is BC and is 9.

The only choice with BC = 9 is b.

Answer: b

3 0
3 years ago
Which expression best represents the phrase"7 less than the quotient of 2x and 5"
vichka [17]

Answer:

x9-7

Step-by-step explanation:

3 0
3 years ago
On his first day of school, Kareem found the high temperature in degrees Fahrenheit to be 76.1°. He plans to use the function to
blsea [12.9K]
The correct option is THE TEMPERATURE OF 76.1 DEGREES FAHRENHEIT CONVERTED TO DEGREE CELSIUS.
The symbol C stands for degree Celsius and is always attached to every temperature measurement that is done using the Celsius measure.
8 0
4 years ago
Read 2 more answers
5x2y and 7xy2 are like terms.<br> True<br> False
Alex
They are not like terms. So false. 

5x^2y is not the same as 7xy^2 because the exponent is on different variables. 
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5 0
3 years ago
Read 2 more answers
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