reagybear
01.08.2019 •
Mathematics
Asecond number is 5 less than a first number. a third number is three times the first number. if the sum of the three numbers is 555, find the numbers. (a) 110 / 105 / 330 (b) 105 / 100 / 315 (c) 125 / 120 / 375 (d) 112 / 107 / 336
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Ответ:
x-5=2nd number
3x=3rd num
x+x-5+3x=555
5x=560
x=112
112, 107, 336
Ответ:
The best estimate for the mass of a bicycle is about 1 kilogram.
Step-by-step explanation:
The standard International System of Units (SI) unit of mass is the kilogram denoted by kg .
It is used world wide for measuring the mass of an object .
Smaller units of the mass is gram it is denoted by g .
Therefore the best estimate for the mass of a bicycle is about 1 kilogram .