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balu736 [363]
4 years ago
6

During a storm, why do you see the flash of lightning before you hear the roar of thunder? What would it mean if you saw the fla

sh of lightning and heard the roar of thunder at the same time? What would it mean if there were many seconds in between the flash of lightning and the roar of thunder?
Mathematics
1 answer:
Lubov Fominskaja [6]4 years ago
3 0
The speed of light is faster than the speed of sound. So that's why you see a flash of lightning before the roar of thunder. If you heard it at the same time as you saw it, well I will be praying for you. It would literally be exactly where you are. If you hear the thunder a long time after the flash, it means the lightning is far away.

T/5=miles away when T is time from the strike of lightning to hearing thunder 
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Review of Significant Figures: How many significant figures does the result of the following calculation have: 24.78*(37.3-31.72
horsena [70]

Answer:

The significant figure of the result is 138.8

Step-by-step explanation:

24.78*(37.3 - 31.72)

Solving the bracket first:

37.3 - 31.72 = 5.58

A zero is added to 37.3 before the substraction, so;

37.3 - 31.72 = 37.30 - 31.72 = 5.58

Following the rule of significant figure; we have the answer of the substraction as 5.6 since the least number of significant is one decimal place.

The new expression will be:

24.78 * 5.6 = 138.768

Therefore, the result of our expression 138.8 by following the rule of significant figure

5 0
3 years ago
Given the function f(x) = 2(x + 8), find x if f(x) = 12.
mina [271]

Answer:

C.) -2

Step-by-step explanation:

solve by putting 12 in for f(x)

12 = 2(x + 8)

Divide by 2

6 = x + 8

Subtract 8

-2 = x

4 0
3 years ago
A pyramid has all sides that are equilateral triangles. Each triangle has side lengths of 9 centimeters. If the surface area of
MatroZZZ [7]
140.4 since the sides are equal . Iguess . I did not calculate or anything but mentally
8 0
3 years ago
Appreciate the support!
andreyandreev [35.5K]

The volume of a rectangular prism is represented by the following equation:

V=w*h*l

Where the variables are for volume, width, height, and length, respectively.

We are given that the area of one end is 16 cm² (units have to be correct when solving these problems, so it's 16 cm², not 16 cm as described in the problem). We know that A=w*h

Using this knowledge, we can change the volume equation to our needs.

V=w*h*l

V=(w*h)*l

V=A*l

Note: We know that A is 16 since it's given

V=16*l

The volume is 208 cm³ (once again, incorrect units given). Insert this into the equation.

208=16*l

Divide both sides of the equation by 16.

13=l

The length is 13 cm.

Let me know if you need any clarifications, thanks!

4 0
3 years ago
Darin has 5 coins that the total 62%. What are the coins?
Snowcat [4.5K]
Hi there!

There are several possible options.

A main one would be : 10 DIMES and 2 PENNIES

Other ones could be :

2 quarters
1 dime
2 pennies

62 pennies

12 nickels
2 pennies

and more !

Hope this helps !
5 0
3 years ago
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