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3 years ago

Which statements about opposites are true?

Mathematics

1 answer:

Naily [24]3 years ago

5 0

Answer:

I think B and C are the only ones true

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Expression 3x²+4x-5<br>x=0

Korolek [52]

Answer:

x = {1/3, 0}

Step-by-step explanation:

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3 years ago

What is the median of this set of data? 362,187,211,298,331,250,347,199

AVprozaik [17]

Answer:

250

Step-by-step explanation:

Line it up least to greatest

187,199,211,250,298,347,362

Cut each one off at each ends until middle

250

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3 years ago

Please help me i'm struggling!

anyanavicka [17]

Answer:

Step-by-step explanation:

x < 2 means all numbers less than 2. that is an open dot on 2 and shading to the left.

x >= -8 means -8 and all numbers greater than -8. that is a closed dot on -8 and shading to the right.

Answer: B.

8 0

3 years ago

) dy 2x<br> ------ = ---------------<br> dx yx2 + y

larisa86 [58]

Step-by-step explanation:

$\dfrac{dy}{dx} = \dfrac{2x}{y(x^2 + 1)}$

Rearranging the terms, we get

$ydy = \dfrac{2xdx}{x^2 + 1}$

We then integrate the expression above to get

$\displaystyle \int ydy = \int \dfrac{2xdx}{x^2 + 1}$

$\displaystyle \frac{1}{2}y^2 = \ln |x^2 +1| + k$

$y = \sqrt{2\ln |x^2 + 1|} + k$

where I is the constant of integration.

6 0

3 years ago

Y=x+2 and x+y=8 in substitution method

raketka [301]

Answer:

$y = x + 2 \\ x + y = 8 \\ x + x + 2 = 8 \\ 2x = 8 - 2 = 6 \\ 2x = 6 \\ x = 6 \div 2 = 3 \\ y = x + 2 = 3+ 2 = 5$

5 0

3 years ago

Read 2 more answers