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3 years ago

Scientific hypothesis can become a theory how

Mathematics

1 answer:

zalisa [80]3 years ago

3 0

Answer:

Scientific hypothesis can be a theory when yiu have enough prove to back it up and when it is fully supported by other scientists

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Can someone help? i really don’t understand. question is in the picture

Delicious77 [7]

Answer: (-1,2)

Step-by-step explanation:

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3 years ago

Rusty walked 5 miles in 65 minutes. How long did it take him to walk 2 miles?

Ronch [10]

Answer:26 Minutes

Step-by-step explanation:

5/25 = 13 13 times 2 equals 26

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3 years ago

Read 2 more answers

How do i simplify 3√96×√98

Vera_Pavlovna [14]

<span>3√96 * √98 = </span><span>12√6 * 7√2 = 84</span>√12 = 168√3

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3 years ago

If a 2-kg block compresses a spring 800mm from its relaxed state, how much potential energy does the block have due to the sprin

Tju [1.3M]

Answer:

8 Joule

Step-by-step explanation:

Mass of block = 2 kg

Displacement = x = 800 mm = 0.8 m

Spring constant = k = 25 N/m

Potential Energy of a spring

Work done = Difference in Potential Energy

Work Done = Δ P.E.

$\Rightarrow \Delta\ P.E.=\frac{1}{2}kx^2$

⇒P.E. = 0.5×25×0.8²

⇒P.E. = 8 Nm = 8 Joule

Here already the spring constant and displacement is given so the mass will not be used while calculating the potential energy.

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3 years ago

This extreme value problem has a solution with both a maximum value and a minimum value. use lagrange multipliers to find the ex

noname [10]

$L(x,y,z,\lambda)=10x+10y+2z+\lambda(5x^2+5y^2+2z^2-42)$

$L_x=10+10\lambda x=0\implies1+\lambda x=0$

$L_y=10+10\lambda y=0\implies1+\lambda y=0$

$L_z=2+4\lambda z=0\implies1+2\lambda z=0$

$L_\lambda=5x^2+5y^2+2z^2-42=0$

$\begin{cases}L_x=0\\L_y=0\\L_z=0\end{cases}\implies1+\lambda x=1+\lambda y=1+2\lambda z=0\implies x=y=2z$

$5x^2+5y^2+2z^2=5(2z)^2+5(2z)^2+2z^2=42z^2=42\implies z^2=1$

$z^2=1\implies z=\pm1\implies x=y=\pm2$

There are two critical points, at which we have

$f\left(2,2,1\right)=42\text{ (a maximum value)}$

$f\left(-2,-2,-1\right)=-42\text{ (a minimum value)}$

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3 years ago