Arturo O.

A stone of mass 3kg and density 2gcm-3 is suspended by a spring from a spring balance. the stone is completely submerged in a liquid of density 1.3gcm-3. calculate the weight that the balance reads... more

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Math 20 Foundations Unit 7 Lesson 11

06/19/18

A person is on a bridge. They throw a pebble. The height of the pebble, h (metres) is given by the formula: h = 26+9t-4.9t²

A person is on a bridge. They throw a pebble. The height of the pebble, h (metres) is given by the formula: h= 26+9t-4.9t². When will the pebble be 30m above the water? When will it be 20m

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Physics Physics B

06/19/18

Physics Work Question

Ben carries a 200N suitcase up here flights of stairs (a height of 10m) and then pushes it with a horizontal force of 50N at a constant force of 0.5M/s for a horizontal distance of 35m. How much... more

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Kinetics

06/19/18

A boy is standing on a bridge over a creek which flows 35 ft below. He tosses a stone right up with a velocity of 12 feet per second. How high above the water

A boy is standing on a bridge over a creek which flows 35 ft below. He tosses a stone right up with a velocity of 12 feet per second. How high above the water will the stone reach before it falls... more

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Molar Mass

06/19/18

calculate the molar mass ( molecular weight) of a sample if a single molecule weighs 7.45 * 10^-23 g

is this even possible to determine if you don’t know what elements are in the molecule? probably so but i’m stumped! S.O.S.

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Density

06/19/18

Density g/cm cubed

An object weighing 9.6 g is placed in a graduated cylinder displacing the volume from 10.0 mL to 13.2 mL. What is it’s density in g/ cm cubed?

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Other

06/18/18

the price of a cup was $2.45 yesterday. today, the price fell to $2.30. Find the percent decrease. Round your answer to the nearest tenth of a percent.

I need help on my hw and really need to get this right

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Expressions In Radical Form

06/18/18

How do I write the expression in radical form and simplify numerical expressions when possible.

(27x) ^5/3

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Other

06/18/18

What the answer of solving factor x2-2x-35

X2-2x-35

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Solving Systems Of Equations Using Elimination

06/18/18

Does this system of equations, have "no solution"

{ 25x+5y=48 -5x=y+10

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World History

06/18/18

The French Revolution resulted in?

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Birth Year

06/18/18

I am 57. What year was I born?

I am 57 years old in 2018. In what year was I born?

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Density

06/18/18

Determine the mass of instrument

A balloon used to carry instrument for meteorogical department up into the atmosphere has a capacity of 30m3 and is filledd with hydrogen. the total mass of balloon and hydrogen is 3kg. Determine... more

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Other

06/18/18

i have a set of problems i need to solve, can you please give me the answeres? i just dont get this topic.

A 163g baseball is dropped from a tree 13.6m above the ground. With what speed would it hit the ground if air resistance could be ignored? A 64kg trampoline artist jumps vertically upward from... more

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What is the correct evaluation of 3x - 2y, when x is equal to -1 and y is equal to 1?

simplified form of the expression y(y2 - y + 4)?

How to find he vertex from factored form

Calculate and enter the slope of the line that crosses through the following coordinates: ( -14 , 33 ) and ( 23 , -14 )

what is the H3O+ concentration of a solution with a pH of 3

find the answer

Marvin rides his bike at an average speed of 13 miles per hour. How far can he bike in 8 hours?

NEEED HELP WITH A A TRIGONOMETRY QUESTION

Heated bricks of blocks of iron were used long ago to warm up beds. A 1.25 kg block of Fe heated to 135 oC would release how much energy in calories as it cool

Carbon tetrachloride, CCl4, was a popular organic solvent until it was discovered to cause cancer. How much energy in kilocalories is required to heat 0.14

Simplify (3-4√2)^2

calculate weight

A person is on a bridge. They throw a pebble. The height of the pebble, h (metres) is given by the formula: h = 26+9t-4.9t²

Physics Work Question

A boy is standing on a bridge over a creek which flows 35 ft below. He tosses a stone right up with a velocity of 12 feet per second. How high above the water

calculate the molar mass ( molecular weight) of a sample if a single molecule weighs 7.45 * 10^-23 g

Density g/cm cubed

the price of a cup was $2.45 yesterday. today, the price fell to $2.30. Find the percent decrease. Round your answer to the nearest tenth of a percent.

How do I write the expression in radical form and simplify numerical expressions when possible.

What the answer of solving factor x2-2x-35

Does this system of equations, have "no solution"

The French Revolution resulted in?

I am 57. What year was I born?

Determine the mass of instrument

i have a set of problems i need to solve, can you please give me the answeres? i just dont get this topic.

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