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kenny6666 [7]
3 years ago
8

your distance from lightning varies directly with the time it takesYou to hear thunder. If you hear the thunder 10 seconds after

you see the lightning, you are about 2 miles from the lighting. Estimate how many seconds it will take for the thunder to travel distance of 4 miles.
Mathematics
1 answer:
Nuetrik [128]3 years ago
5 0

Answer:

20 seconds

Step-by-step explanation:

10 sec = 2 miles

simplified means 5 secs per 1 mile,

1 mile = 5 seconds

so,

4 miles = 20 seconds

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The average of three numbers is 25. The average of two of those numbers is 21. What is the value of the third number of the orig
Elza [17]

Answer:

b) 33

Step-by-step explanation:

You reverse the process of finding the second average, 21, which will help you find the original average, 25. First you multiply the second average, 21, to retrace your steps. We do this because the last thing we do when we find the average is divide. when you multiply 21 you get 42. Now you have the value of the first two numbers. Then you experiment with the numbers. To save time I'll get to the point. When you add 33 + 42 you get 75. Then you divide by 3 to get 25. You divide by three because the instructions say there was 3 numbers to start with. Hope this helps.

8 0
3 years ago
Choose the expression that represents a cubic expression.
tino4ka555 [31]

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Solve for <br> (6x + 9)/3 =​
hammer [34]

Hello!

(6x + 9)/3 =

= 3(2x + 3)/3 =

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Good luck! :)

3 0
3 years ago
Let x be the middle integer of three consecutive integers. What is the sum of these three integers
ololo11 [35]

Answer:

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=> The remaining 2 numbers respectively are x - 1 and x + 1

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8 0
3 years ago
Find the circumference and the area of a circle with diameter equal to 8.6 inches. Use 3.14 for pi
mariarad [96]

Answer: Circumference of circle = 27.004 inches

              Area of circle = 58.0586 inches²

Step-by-step explanation:

Diameter of circle = 8.6 inches

Pi (\pi) = 3.14

Circumference of circle (With diameter) = \pi \\d (\pi×diameter)

                                                                = 3.14 × 8.6

                                                                = 27.004 inches

Area of circle (With diameter) = \pid^{2}/4

                                                 = 3.14 × 8.6 × 8.6 / 4

                                                 = 3.14 × 73.96 / 4

                                                 = 58.0586 inches²

5 0
3 years ago
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