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Kruka [31]
3 years ago
14

How many seconds equals 4.2 hours? Enter your answer in the box. ___s

Mathematics
2 answers:
sergiy2304 [10]3 years ago
8 0
4.2× 3600 = 15120 seconds
Inessa [10]3 years ago
4 0
4.2(h) * 60(min) * 60(sec)= 15120(sec)
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Paul finished his 800 meter race in 2 minutes and 2 seconds. Jeff finished in 121 seconds. Who finished first? (PLESES SHOW WORK
elixir [45]

Answer:

Jeff finished first

Step-by-step explanation:

To solve this equation, I can either converts 2 minutes 2 seconds to seconds or convert 121 seconds to minutes

<u><em>CONVERT 2 MINUTES 2 SECONDS TO SECONDS</em></u>

60 seconds = 1 minutes

to convert 2 minutes 2 seconds to seconds, multiply 2 minutes by 60 and then add 2 seconds to it

2 x 60 = 120 seconds

120 seconds + 2 seconds = 122 seconds

Paul finished in 122 seconds while Jeff finished in 121 seconds. Jeff finished first

<u><em>CONVERT 121 SECONDS TO MINUTES</em></u>

60 seconds = 1 minutes

To convert 121 seconds to minutes, we have to divide by 60

121/60 = 2 minutes 1 second

Paul finished the race in 2 minutes 2 seconds while eff finished the race in 2 minutes 1 second. Jeff finished first

6 0
2 years ago
I WILL GIVE BRAINLIEST FOR ANSWER WITH EXPLANATION
pav-90 [236]

The combined area of these three rooms is 189 ft².
Therefore we have the equation
4x + 3x + 2x = 189
9x = 189 |:9
x = 21 ft²
area of the kitchen = 4x = 4(21) = 84 ft²
area of the playroom = 3x = 3(21) = 63 ft²
area of the dinning room = 2x = 2(21) = 42 ft²
8 0
3 years ago
ANOTHER TEST QUESTION! HELP ME! <br><br><br>Find the link of k _____
Alecsey [184]

Answer: Try 21

Step-by-step explanation:

8 0
2 years ago
The value of b when solving the equation 2 (6 + 12) = 16 is:
elena-s [515]

Answer:

Step-by-step explanation:

2(6+12)=16

2 X 6 +  2  X  12

12     +     24

       26  =  16

HOPE U GE5T IT

8 0
3 years ago
Which set of transformations would prove triangle GFE ~ triangle GHI?
Flura [38]

Answer:

Dilation of 1/2 and then a reflection over y=2

4 0
2 years ago
Read 2 more answers
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