2 years ago

Determine the solutions to the system of equation. y= x^2 – 2 and y= -x + 4

Mathematics

1 answer:

Pepsi [2]2 years ago

5 0

Answer:

y= 7

Step-by-step explanation:

hope this helps plz put me as brainiest

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Nadusha1986 [10]

Answer:

2:1

Step-by-step explanation:

4 pencils : 2 pens

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2:1

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2 years ago

(1+cos2x)/(1-cos2x) = cot^2x

sesenic [268]

We will turn the left side into the right side.

$\dfrac{1 + \cos 2x}{1 - \cos2x} = \cot^2 x$

Use the identity:

$\cos 2x = \cos^2 x - \sin^2 x$

$\dfrac{1 + \cos^2 x - \sin^2 x}{1 - ( \cos^2 x - \sin^2 x)} = \cot^2 x$

$\dfrac{1 - \sin^2 x + \cos^2 x }{1 - \cos^2 x + \sin^2 x} = \cot^2 x$

Now use the identity

$\sin^2 x + \cos^2 x = 1$ solved for sin^2 x and for cos^2 x.

$\dfrac{\cos^2 x + \cos^2 x }{\sin^2 x + \sin^2 x} = \cot^2 x$

$\dfrac{2\cos^2 x}{2\sin^2 x} = \cot^2 x$

$\dfrac{\cos^2 x}{\sin^2 x} = \cot^2 x$

$\cot^2 x = \cot^2 x$

8 0

3 years ago

A hot air balloon goes 350 feet into the air and drifts to the east for 600 feet. How far is the balloon away from its launch po

Kamila [148]

Answer:

950 feet

Step-by-step explanation:

350+600=950

4 0

2 years ago

Seventy and six hundred two thousandths as a decimal number

Alex73 [517]

76.002 i think honestly don’t know but have it a try

7 0

3 years ago

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Solve for the quadratic equation x^2=42 <br> explain answer please

RideAnS [48]

Answer:x^2 to the 2nd power = 42

!!!!!

Step-by-step explanation:

!!! enjoy

3 0

3 years ago

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