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Zina [86]
3 years ago
12

WILL GIVE BRAINLIEST! A ball rolling down an inclined plane travels, in successive seconds, k feet, 2.5k feet, 4k feet, etc… . F

ind the distance traveled by the ball in the ninth second.
Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

Answer:

Step-by-step explanation:

this is an arithmetic series

and to find out the 9th term

1 second       ....................... k feet

2 second...........................2.5 feet

3 sec.....................................4 feet

4 sec....................................5.5 feet

difference 1.5

5 sec................................7 feet

6 sec................................8.5

7 sec.................................10 ft

8

9second .............................................13 ft

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HELP PLSS I DONT WANNA FAIL
posledela

Answer: 1/2 and 3/6

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Not sure about 4

3 0
3 years ago
A vacant city lot is being turned into a neighborhood garden. the neighbors want to fence in a triangular section of the lot and
Alexxx [7]

Let x represent the length of the shortest side. Then the longest side is

... 2x -7 . . . . . . 7 ft shorter than twice the shortest side

and the 3rd side is

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The perimeter is the sum of the side lengths,

... x + (2x -7) + (x +2) = 59 . . . . . the given perimeter length

... 4x -5 = 59 . . . . collect terms

... 4x = 64 . . . . . . add 5

... x = 16 . . . . . . . . divide by 4

Then the other sides are

... 2×16 - 7 = 25 . . . . . longest side

... 16 +2 = 18 . . . . . . . . third side

The side lengths are 16 ft, 18 ft, and 25 ft.

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4 years ago
Coronavirus cases rose from 23 cases on October 3rd to 103 cases on November 3rd .What was the percent increase based on the ori
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The percentage increase is 22%


Hope that helps!
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2 years ago
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