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makkiz [27]
3 years ago
11

Using this equation for Wien’s Law (λ = 2898/T), the wavelength most emitted by the Sun (T = 6000K) is approximately: a. 48.3 µm

b. 483 µm c. 0.48 µm
Mathematics
1 answer:
Paladinen [302]3 years ago
5 0
<h2>Option C is the correct answer.</h2>

Step-by-step explanation:

By Wien’s Law we have

              \lambda =\frac{2898}{T}

          where λ is in μm and T is in K

Given that

             T = 6000 K

Substituting

              \lambda =\frac{2898}{6000}=0.483\mu m

Option C is the correct answer.

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8) -8(1 + 2x) - 2(x+6)​
VashaNatasha [74]

Answer:

Step-by-step explanation:

-8(1 + 2x) - 2(x+6)​ = -8 - 16x - 2x - 12

                            = -18x - 20

6 0
3 years ago
Approximate cos (12π/ 13) by using a linear approximation with f (x) = cos x.
Katarina [22]
First pick a value of x close to \dfrac{12\pi}{13}. You should be fine with x=\pi.

The linear approximation of f(x) at x=c is given by

f(c)\approx f(a)+f'(a)(c-a)

where x=a is some fixed value close to x=c. You have

f(x)=\cos x\implies f'(x)=-\sin x

so

f\left(\dfrac{12\pi}{13}\right)\approx f(\pi)+f'(\pi)\left(\dfrac{12\pi}{13}-\pi\right)
\cos\dfrac{12\pi}{13}\approx\cos\pi-\sin(\pi)\left(-\dfrac\pi{13}\right)
\cos\dfrac{12\pi}{13}\approx-1

The actual value is closer to -0.9709, so the approximation is decent.
4 0
3 years ago
true or false a statiscal package is likely to be used with quantitative research but not with qualitative reearch
Trava [24]

Answer:

TRUE

Step-by-step explanation:

5 0
3 years ago
Evaluate<br> 1.4 (2 - 4)<br><br> Enter your answer as a decimal in the box.
katen-ka-za [31]

Answer:

-2.8

Step-by-step explanation:

1.4(2-4)

1.4(-2)

=-2.8

5 0
3 years ago
Read 2 more answers
If c is a real number and if 2+i is a solution of the equation x^2-4x+c, what is the value of c
trapecia [35]
2nd degree with real coefients
so if a+bi is a root then a-bi is also a root
if 2+i is a root then 2-i is also a root

so, the factored form of a quadratic equation with roots r1 and r2 is
(x-r1)(x-r2)

so
2+i and 2-i

(x-(2+i))(x-(2-i))
(x-2-i)(x-2+i)
expanding we get
x²-4x+5
so c=5
7 0
3 years ago
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