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3 years ago

Which of the following mathematical symbols represents "the opposite of"?

Mathematics

2 answers:

asambeis [7]3 years ago

7 0

Answer:

the minus sign

Step-by-step explanation:

In mathematics, the symbol for the additive opposite is the minus sign

The symbol for the multiplicative opposite is the inverse operation 1/x (I think)

So, yes, specific opposites have symbols, BUT...

Just saying "the opposite of" is too blurry to find one word that represents that.

givi [52]3 years ago

7 0

Answer: negative sign

Step-by-step explanation:

-8x-8=64

Opposite of a negative is a positive

That's why a negative times a negative is s positive

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kvv77 [185]

Answer:

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Step-by-step explanation:

1859/45 = 41.3111111111

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3 years ago

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pickupchik [31]

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3 years ago

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3 years ago

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Answer:

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2 years ago

Solve y′′=sin(x) if y(0)=0 and y′(0)=5.<br><br> y(x)=?

Ksenya-84 [330]

Answer:

$y(x)=6x-sin(x)$

Step-by-step explanation:

Rewrite the differential equation as:

$\frac{d^{2} y }{dx^{2} } =sin(x)$

Integrate both sides with respect to x:

$\int\ \frac{d^{2} y }{dx^{2} } dx = \int\ sin(x) dx$

$\frac{dy}{dx} =-cos(x)+C_1$

Integrate one more time both sides with respect to x:

$\int\ \frac{dy}{dx} = \int\ -cos(x)+C_1 dx$

$y(x)=-sin(x)+C_1x+C_2$

Now that we find the solution, let's find its derivate:

$y'(x)=C_1-cos(x)$

Evaluating the initial conditions:

$y(0)=C_1(0)+C_2-sin(0)=0\\C_2=0$

$y'(0)=C_1-cos(0)=5\\C_1=5+1=6$

Replacing the value of the constants that we found in the differential equation solution:

$y(x)=6x-sin(x)$

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3 years ago