3 years ago

Work out the angle of x 97degrees

Mathematics

1 answer:

aleksandrvk [35]3 years ago

6 0

Answer:

Answer is 3x

Step-by-step explanation:

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Solve 2x^2 +16x+50=0

musickatia [10]

$2x^2 +16x+50=0\ \ \ \ \ |:2\\\\x^2+8x+25=0\\\\x^2+2\cdot x\cdot4+25=0\ \ \ \ |+4^2\\\\\underbrace{x^2+2\cdot x\cdot4+4^2}_{(a+b)^2=a^2+2ab+b^2}+25=4^2\ \ \ \ \ |-25\\\\(x+4)^2=16-25\\\\(x+4)^2=-9 < 0-NO\ REAL\ SOLUTION$

$COMPLEX\ SOLUTIONS\\\\(x+4)^2=-9\to x+4=\pm\sqrt{-9}\\\\x+4=-3i\ \vee\ x+4=3i\ \ \ \ |-4\\\\x=-4-3i\ \vee\ x=-4+3i$

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2 years ago

angie needs to buy 156 candlesbfor a party. each package has 8 candles. how many packages should Angie buy?

andre [41]

20 packages

Step-by-step explanation:

Divide 156 by 8 and you get 19.5. Angie needs 156 candles, so you round 19.5 to 20.

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2 years ago

What is thei value of their given digits the 4 in 440

Sedaia [141]

The first 4 on the left has a value of 400. The next 4 has a value of 40. The first 4 is in the hundreds place and the second 4 is in the 10's place.

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2 years ago

What's 6 multiplyed by 7 add 4 and take away 3

Katyanochek1 [597]

The correct answer is 43. hope i helped:)

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3 years ago

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F(x)=

muminat

Answer:

f(g(-7))

Step-by-step explanation:

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3 years ago