Answer: B 0.3350
Step-by-step explanation: I took the quiz
<span>A value is in the domain if there is a point on the graph of the function at that x-value</span>
The measure of arc CD, the portion of Earth from which the signal is visible is 56°.
<h3>How to calculate the angle?</h3>
From the information given, we are told that The satellite can only send a signal over the part of Earth that is visible to the satellite.
Let the angle be a. Therefore,
Cos a = 4000/(4000 + 2800)
Cos a= 4000/6800
Cos a = 0.5882
Cos a= 56°
Learn more about angles on:
brainly.com/question/25716982
#SPJ1
Answer:
4.61×10^6 exponential form
Answer:
The required expression is shown below ![\frac{a}{2}](https://tex.z-dn.net/?f=%5Cfrac%7Ba%7D%7B2%7D)
Step-by-step explanation:
Consider the provided information.
Write an expression showing a ÷ 2 without the use of the division symbol.
Here the a ÷ 2 shows that the variable a is divided by 2.
The model for this expression is shown in figure below:
We can rewrite the expression in fractional form as shown:
![a\div2=\frac{a}{2}](https://tex.z-dn.net/?f=a%5Cdiv2%3D%5Cfrac%7Ba%7D%7B2%7D)
If we write division expressions using the division symbol, we represent dividend ÷ divisor.
In fractional form it will look like:
![\frac{dividend}{divisor}](https://tex.z-dn.net/?f=%5Cfrac%7Bdividend%7D%7Bdivisor%7D)