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WITCHER [35]
3 years ago
10

HELPPPP

Mathematics
1 answer:
yarga [219]3 years ago
3 0

Answer:

B

Step-by-step explanation:

The inequality says "t is greater than -196".

We can assume 't' means temperature.

With water, the gas state is warmer than the other states. (Steam is hotter than liquid water or water frozen solid.)

I took basic chemistry and I can tell you it is the same for other substances. - The gas state is the warmest.

So we can assume that Nitrogen is a gas <u>at the warmer temperature</u>.

Thus, we are looking for the statement that says Nitrogen is a gas when its temperature is <u>greater</u> than -196° Celsius.

B is the only one that matches.

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Ronaldo and several friends spend $18.15 at the arcade. ronaldo is responsible for 33% of the bill. use a benchmark fraction and
SVEN [57.7K]

Answer:

The estimated amount to be paid by ronaldo is $5.9895

Step-by-step explanation:

total amount spent on arcade = $18.15

percentage bill to be paid by ronaldo= 33%

To calculate the amount to be paid by ronaldo formula for percentage will be used

Formula which will be used is

Amount to be paid = (Percentage of ronaldo x  Total amount spent)/ 100%

Amount to be paid by ronaldo is   =    \frac{33 \times 18.15}{100}

                                                        =   \frac{598.95}{100}

                                                        = 5.9895

So the estimated amount to be paid by ronaldo is $5.9895

Keywords:  Calculation of percentage

Learn more about calculation of percentage at

  • brainly.com/question/4390083
  • brainly.com/question/6073431

#learnwithBrainly

                                                       

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A square has a perimeter of 14.4 in.<br> What is the length of each of the sides?
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Answer:

(-1;-3)

Step-by-step explanation:

\left \{ {{4(2x+y)=4*(-5)} \atop {3x-4y=9}} \right.  \ => \ \left \{ {{8x+4y=-20} \atop {3x-4y=9}} \right. \ => \ \left \{ {{11x=-11} \atop {2x+y=-5}} \right. \ => \ \left \{ {{x=-1} \atop {y=-3}} \right.

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The oblique pyramid has a square base.
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The harmonic motion of a particle is given by f(t) = 2 cos(3t) + 3 sin(2t), 0 ≤ t ≤ 8. (a) When is the position function decreas
iren [92.7K]

For the last part, you have to find where f'(t) attains its maximum over 0\le t\le8. We have

f'(t)=-6\sin3t+6\cos2t

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f''(t)=-18\cos3t-12\sin2t

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-18\cos3t-12\sin2t=0

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2\pi+\sin^{-1}\dfrac{1+\sqrt{10}}6\approx7

2\pi+\sin^{-1}\dfrac{1-\sqrt{10}}6\approx6

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