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Andreas93 [3]
3 years ago
9

Calculus help??????

Mathematics
1 answer:
katen-ka-za [31]3 years ago
7 0
f(x)=\ln x\implies f'(x)=\dfrac1x
g(x)=x^2-1\implies g'(x)=2x

You have 2x^2>1 for all x\ge1, and dividing by x gives 2x>\dfrac1x, or g'(x)>f'(x). By the racetrack principle, then, it follows that g(x)>f(x).
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3. Lin's bike travels 100 meters when her wheels rotate 55 times. What is the circumference of her wheels?
Helga [31]

Answer:

The circumference travels the same distance as the bicycle, 100 m

Step-by-step explanation:

8 0
2 years ago
Drag and drop the correct answer into each box to complete the proof.
Rudiy27
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4 0
3 years ago
What to the tenth power can get you 300
OLEGan [10]

Answer:

1.7689 (rounded to 4 decimal places)

Step-by-step explanation:

Let the number we are seeking be "x", thus we can write the equation as:

x^{10}=300

Since we have raised "x" to the "10th power", to get "x" back again, we need to take 10th root. Same goes for right side, we take 10th root of 300. We will get our answer. The process shown below:

x^{10}=300\\\sqrt[10]{x^{10}} =\sqrt[10]{300} \\x=\sqrt[10]{300} \\x=1.7689

hence, 1.7689 raised to 10th power will give us 300

5 0
3 years ago
What is product of 3x-4 an 5x^2-2x+6 <br> help me please, please, please
Fofino [41]
(3x-4)(5x^2-2x+6)
15x^3-6x^2+18x-20x^2+8x-24
15x^3-26x^2+26x-24
4 0
2 years ago
A bicycle pedal is pushed straight downwards by a foot with a 11 Newton force. The shaft of the pedal is 20 cm long. If the shaf
galben [10]

Answer: 1.1 Nm

Step-by-step explanation:

The formula for torque is T = r · F · sin θ

where θ = π/6, r = 20 cm = 0.2 m, F = 11 N

formula for converting radians to degrees is 1 rad × 180/π = 57.296°

θ = π/6 · 180/π = 30°

Substituting r into the formula for torque, we have

T = 0.2 x 11 x sin 30° = 0.2 x 11 x 0.5

T = 1.1 Nm

3 0
3 years ago
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