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3 years ago

What is the name for the distance between the crest and trough of wave?

Mathematics

2 answers:

devlian [24]3 years ago

7 0

Answer:

wave height

Step-by-step explanation:

vladimir1956 [14]3 years ago

7 0

Wave height is the vertical distance between the crest and trough and wave length is the horizontal distance between two adjacent crests or troughs.

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The function f(x) = 2x + 210 represents the number of calories burned when exercising, where x is the number of hours spent exer

docker41 [41]

Hi,

f + g is a simple sum of the functions. This refers to increasing the good effect of exercise with diet effect, therefore more weight could be lost.

(f + g)(x) = f(x) + g(x) = 2x + 210 + 2x + 125 = 4x + 335, so (f + g)(x) = 4x + 335.

For x = 3 (meaning 3 hours of exercise) we have:

(f + g)(3) = 4·3 + 335 = 12 + 335 = 347 calories, after 3 hours of exercice.

The correct answer is: 347 calories burned while combining diet with 3 hours of exercise.

Have you understood ?

Green eyes.

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3 years ago

Which system has no solutions?

Lapatulllka [165]

$\left\{\begin{array}{ccc}y \ \textgreater \ 6\\y \ \textless \ 2\end{array}\right\\\\\text{Look at the picture}$

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3 years ago

9e-7=7e-11<br><br> Whats does E equal?

SSSSS [86.1K]

Answer:

-2

Step-by-step explanation:

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3 years ago

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Please help! It's a final!!

Svetach [21]

Answer:

BBBBBBBBBB

Step-by-step explanation:

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3 years ago

Writing g for the acceleration due to gravity, the period,T, of a pendulum of length l is given by

ivanzaharov [21]

Step-by-step explanation:

$T=2\pi\sqrt{\frac{l}{g}}$

$T+\Delta T=2\pi\sqrt{\frac{(l+\Delta l)}{g}} =2\pi\sqrt{\frac{l}{g}}\sqrt{1+\frac{\Delta l}{l}}=2\pi\sqrt{\frac{l}{g}}(1+\frac{1}{2}\frac{\Delta l}{l}+0(\frac{\Delta l}{l}))=T(1+\frac{1}{2}\frac{\Delta l}{l}+0(\frac{\Delta l}{l}))$

Here, the Taylor approximation for a square root was applied, and O(x) stands for all negligible terms of Taylor's sum with respect to variable x.

So, $\Delta T=T\frac{1}{2}\frac{\Delta l}{l}$

b. For an increase of 2%, that is:

$\frac{\Delta l}{l}=0.02$

$\frac{\Delta T}{T}=\frac{1}{2}0.02=0.01=1\%$

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3 years ago

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