Ana and bella are sisters. they are responsible for keeping the
family's driveway clear of sno...
Mathematics, 14.09.2019 00:30 hoyanna69
Ana and bella are sisters. they are responsible for keeping the
family's driveway clear of snow. if they work together they can
complete the shoveling in 30 minutes.
one day ana had to do the job alone. it took her 40 minutes. how long
would it have taken bella to shovel the same amont alone? you can
assume that each girl always shovels at a constant speed.
Answers: 2
Mathematics, 21.06.2019 18:10
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
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Mathematics, 22.06.2019 01:30
Acontainer holds 0.7 liters of oil and vinegar. 3/4 of the mixture is vinegar. how many liters of oil are in the container? express your answer as both a fraction and a decimal.
Answers: 1
Mathematics, 22.06.2019 02:00
The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.
Answers: 1
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