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Julli [10]
3 years ago
10

Suppose Jamal swam the 100-meter butterfly race in 57.79 seconds. The next time he swam the same race, he swam it in 54.83 secon

ds. What percent decrease was there in his time? Round your answer to the nearest tenth of a percent.
Hint
5.1
Mathematics
1 answer:
allochka39001 [22]3 years ago
6 0
That "hint" in your question is the answer, so? His swim time decreases by about 5.12%, which, rounded to the nearest tenth, is 5.1%.
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GIVE ME THE ANSWERS‼️‼️‼️‼️FOR ALL THE QUESTIONS AND I WILL MAKE YOU BRAINLIEST ‼️‼️‼️‼️‼️❤️❤️
DaniilM [7]

Answer:

Easy Science

Step-by-step explanation:

That is easy science Duh...Also just use your phone to see the weather in those places and use your calculator i think by subtracting it

7 0
3 years ago
I need working out and answers for the following:
LenaWriter [7]
A. 4x - 3 = 2x + 7
4x - 2x = 7 + 3
2x = 10
x = 5

B. 2x + 6 = 7x - 14
2x - 7x = - 14 - 6
-5x = -20
x = 4

C. 2( x + 3) = x - 4
2x + 6 = x - 4
2x - x = -4 - 6
x = -10

D.4 ( 5x - 2) = 2( 9x + 3)
20x - 8 = 18x + 6
20x - 18x = 6 + 8
2x = 14
x = 7

E.4x - 1/2 = x - 7
4x - x = -7 + 1/2
3x = (-14 + 1)/2
3x = -13/2
x = -13/6

F. 3x + 2 = 2x + 13/3
3x - 2x = 13/3 - 2
x = (13 - 6)/3
x = 7/3


Hope This Helps You!
4 0
3 years ago
I need to convert x^2 +6x-16 to vertex form with steps listed please
Naddika [18.5K]
What steps are listed?
7 0
3 years ago
Write an expression with parenthesis to represent the quantity: 170 divided by the sum of 25 and 9
zavuch27 [327]
Using parenthesis, we want to add 25 and 9 first before dividing.

170/ (25+9)
3 0
3 years ago
Help me solve for x. the angles they give to you are 138, 78, and 94. please help ​
Taya2010 [7]

Answer:

x = 8

Step-by-step explanation:

180 = 78 + 94 + x

180 =172 + x

-172 -172

18 = x

7 0
3 years ago
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