Answer:
12
Step-by-step explanation:
3 divided by .25 equals 12. You move the decimal of 25% twice to the left to get .25.
Answer: 200 gallons
Step-by-step explanation: Change the percentage 20% into a decimal so .20. Then since you are taking away from the 40 gallons divide 40 by .20 to get 200 gallons
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Answer:
23.6 (approximate value)
Step-by-step explanation:
- a*a+b*b=c*c Pythagorean thereom
- (21.5)^2 + b*b = (31.9)^2
- b*b= 1017.61 - 462.25
- √b*b= √555.36
- b=23.6(approximate value)
4.70, all the others can be simplified to 4.07 by taking away the zeroes after the 7 because they are not significant, The one before the 7 stays because it is significant as it is holding the tenths place value.