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3 years ago

Please help !!! I don’t know this brainliest?

Mathematics

2 answers:

Alekssandra [29.7K]3 years ago

7 0

Answer:

-1/2

It is a negative slope going down 1 over 2

Komok [63]3 years ago

4 0

Answer:

-2

Step-by-step explanation:

-2/1 = -2

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Use polynomial long division to divide 2x2 + 3x −1 by x + 4. What are the quotient and remainder?

Karo-lina-s [1.5K]

Step-by-step explanation:

2x - 5

x+4 / 2x^2 + 3x - 1

- 2x^2 + 8x

0 -5x - 1

- -5x - 20

0 19

Quotient = 2x - 5 + 19/x+4

Remainder = 19/x+4

4 0

3 years ago

What does 5/4x = 1/2

aleksklad [387]

You would multiply 4 on both sides
5x=2
then you would divide 5 on both sides
x=2/5

7 0

3 years ago

I don’t understand how to do this

schepotkina [342]

Answer:

The solution is $x =0.$

Step-by-step explanation:

The equation

$\bold{(1).}\: sin(\dfrac{3\pi }{2} +x)+sin(\dfrac{3\pi }{2} +x) =-2$

can be rewritten as

$2* sin(\dfrac{3\pi }{2} +2) =-2$

and can be further simplified to

$sin(\dfrac{3\pi }{2}+x ) =-1$ .

Now, taking the inverse sine of both sides we get:

$sin^{-1}(sin(\dfrac{3\pi }{2} +x) =sin^{-1}(-1)$

$\bold{(2).}\: \dfrac{3\pi }{2} +2 =sin^{-1}(-1)$

The value of the right side on the interval $[0,2\pi)$ is

$sin^{-1}(-1) = \dfrac{3\pi}{2} \: \:( \text{or }270^o)$ ,

which makes the equation (2)

$\dfrac{3\pi }{2}+x =\dfrac{3\pi}{2}$

solving for $x$ gives

$\boxed{x = 0}$

which is our solution.

4 0

3 years ago

Latoya performs an experiment using the lab equipment shown.

nika2105 [10]

Answer

B volume and temp

Step-by-step explanation:

The cup is telling you the volume in the cup and the temp stick thing is telling you temp. Hope this helped

8 0

2 years ago

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If two circles intersect, do they only intersect at only one point?

prisoha [69]

Itś basically the same thing as a compare and contrast circle graph when they intersect with eachother

8 0

3 years ago

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