Write an algebraic expression for two fifths the cube of a number

Answers

Answer 1

Answer: n - the number

$(2)/(5)n^3$

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A bag contains 26 letters and 9 numerals. Aubrey draws two cards from the bag. What is the probability that she draws 2 numerals?

Answers

$(9)/(26+9)*(9-1)/(26+(9-1))\n(9)/(35)*(8)/(34)\n(72)/(1190)\n(36)/(595)$

36/595

Please help i cant figure this out

Answers

First work out the bracket: -1 2/3, make this into one fraction
a b/c = (ac+b)/c
ignore the negative for now, so 3+2= 5 so your fraction is -5/3
Then multiply: 3/5 x -5/3 = -15/15 so your answer is -1

-1 2/3 = - (1*3+2/3)
= - (3+2/3)
= -5/3

Now lets multiply
= 3/5 * -5/3
= 3*-5 / 5*15
= -15/15
= -1

The density of water is 1000 kilograms per cubic meter and the density of ice is about 916 kilograms per cubic meter of 700 kilograms of water and 450 kilograms of ice is combined in a container what is the volume of the water

Answers

Final answer:

The volume of water can be calculated by dividing the mass of water by the density of water.

Explanation:

The question asks for the volume of water when 700 kilograms of water and 450 kilograms of ice are combined in a container. To find the volume of water, we need to subtract the volume of ice from the total volume. The density of water is 1000 kg/m³, so the volume of water can be calculated by dividing the mass of water (700 kg) by the density of water (1000 kg/m³).

Volume of water = Mass of water / Density of water

Volume of water = 700 kg / 1000 kg/m³

Volume of water = 0.7 m³