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zykia1002
04.10.2019 •
Mathematics
Iwill give 25 points! will mark brainliest if correct! i dont care if you show work i just need the answers!
1.) solve each formula for the variable indicated in red: v=lhw ( w is in red )
2.)solve each formula for the variable indicated in red: c=2πr ( r is in red )
3.)solve each formula for the variable indicated in red: v= 1/3 bh ( b is in red )
4.) a black mamba travels 20 mi/h for 1/4 mile. how many seconds does it take the snake to travel 1/4 mile? solve the distance formula for time. for which variables in the formula should you substitute 20 and 1/4. how many seconds are in an hour.
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Ответ:
1. V = lhw
Divide both sides by lh:
w = V /lh
2. C = 2πr
Divide both sides by 2π
r = C/2π
3. V=1/3Bh
Multiply both sides by 3:
3V = bh
Divide both sides by h:
B = 3V/h
4. There are 4 1/4 miles per 1 mile.
20 x 4 = 80, so there are 80 1/4 miles in 20 miles.
There are 60 minutes per hour, so the snake travels 80 quarter miles per 60 minutes.
80/60 = 1 1/3 minute per 1/4 mile = 1 minute 20 seconds = 80 seconds.
Ответ:
fat: 9
carbohydrate: 4
protein: 4
Step-by-step explanation:
IDK