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ira [324]
2 years ago
5

The seismic wave of an earthquake is represented by the equation r = 13.2 sin(θ), where r is measured in miles. What does the 13

.2 in the equation represent?
Use the drop-down box to complete the sentence.

The coefficient 13.2 represents the ____ of the circular area affected by the seismic wave.

Circumference, diameter, or radius?
(The answer is diameter, but no one has asked this question yet, so I'm putting it out there on the internet for the other people who get this question on Edge in the future)
Mathematics
2 answers:
EastWind [94]2 years ago
3 0

Answer:

Step-by-step explanation:

Kitty [74]2 years ago
3 0

Answer:

2nd option: <u>Diameter</u>

Step-by-step explanation:

Edge

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Given the equation y = 2/3 x − 2, what is the value of x when y = 10?
SIZIF [17.4K]

Step-by-step explanation:

Y is equal to:

2/3x - 2 = 10

2/3x = 10 + 2

2/3x = 12

3/3x = (12 ÷ 2) × 3

x = 18

Not sure but its worth a try.

6 0
3 years ago
Can anyone help me? My teacher just recently taught me this today, be he never explained much. The question is in the photo
IceJOKER [234]

You've got five different problems in this photo ... four on top and the word problem on the bottom ... and they're all exactly the same thing:  Taking two points and finding the slope of the line that goes through them.

In every case, the procedure is the same.
If the two points are  (x₁ , y₁)  and  (x₂ , y₂) , then
the slope of the line that goes through them is

                          Slope  =  (y₂ - y₁) / (x₂ - x₁) .

This is important, and you should memorize it.

#1).  (8, 10)  and  (-7, 14)

         Slope  =  (14 - 10) / (-7 - 8)  =  4 / -15

#2).  (-3, 1)  and  (-17, 2)

         Slope  =  (2 - 1) / (-17 -  -3)  =  (2 - 1) / (-17 + 3)  =  1 / -14

#3).  (-20, -4)  and  (-12, -10)

         Slope  =  [ -10 - (-4) ] / [ -12 - (-20) ]

=========================================

The word problem:

This question only gives you one point on the graph,
and then it wants to know what's the slope ?
What are you going to do for another point ?

A "proportional relationship" always passes through the origin,
so another point on the line is  (0, 0) .

Now you have two points on THAT line too, and you can easily
find its slope.

4 0
3 years ago
A geodesic dome has a radius of 27 feet. Which value is closest to the volume of the dome? Use 3.14 for π.
pantera1 [17]
We know, Volume of a Sphere = 4/3 πr³
v = 4/3 * 3.14 * 27³
v = 4/3 * 3.14 * 19,683
v = 82406.16 feet³

In short, Your Answer would be Option B

Hope this helps!

7 0
3 years ago
Read 2 more answers
An express train started at its home station. In 3 hours, it was 285 miles away. In 5 hours, it was 475 miles away. How fast was
Sedbober [7]

Answer:

95 mi/hr

Step-by-step explanation:

475/5 = 95

285/3 = 95

6 0
3 years ago
Let me know if anyone can answer this for me thank you.
Vladimir [108]
Let's calculate the slope of the A(3,1.5) and B(5, 2.5)

The formula of the slope m =(y₂-y₁)/(x₂-x₁)

m = (2.5 - 1.5)/(5 - 3)

m = (1)/(2) = 0.5
Aaron rate for mowing lawns is 0.5 Acre/Hour

8 0
3 years ago
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