Arturo O.

General Chemistry

10/18/17

Calculate the RMS speed of hydrogen molecules at 25 C.

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Chemistry

10/18/17

If heat is added to 5.6 kg of water at a temperature of 10ºC and the temperature is raised to 35ºC how much heat was added?

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Other

10/18/17

Over a linear 18-hour period in January, the temperature began at -4. After 8 hours, the temperature increased to 3. Write an equation to represent this

Over a linear 18-hour period in January, the temperature began at -4. After 8 hours, the temperature increased to 3. Write an equation to represent this.

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Math Answers

10/18/17

help me please

The Singh family spends two fifths of its annual gross income on taxes, one-fifth on housing, and one tenth on transportation. After these expenses the family has $36,000 to cover all its other... more

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Math

10/18/17

The population of Austin, Texas, was about 494,000 at the beginning of a decade. The population increased by about 3% each year.

Write an exponential growth model that represents the population y (in thousands) t years after the beginning of the decade. Find and interpret the y-value when t = 10. Round your answer to the... more

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Science

10/18/17

The density of a person is slightly less than that of pure water. find the buoyant force of the atmosphere on a 60-kg person?

explain how to solve the equation step by step to m understanding

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Math Word Problem

10/18/17

Answer to my question? (In description)

John's home is heated by a hot water circulating in pipes. Recently, the system developed a leak. It loses 2 millimeters every 10 minutes. How much water does the system lose in 30 minutes?

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Logarithms Natural Logarithmic And Exponential Functions

10/18/17

In 1980, the population of blue whales in the southern hemisphere was thought to number 4500. The population N(t) has been decreasing according to the formula

In 1980, the population of blue whales in the southern hemisphere was thought to number 4500. The population N(t) has been decreasing according to the formula N(t) = 4500e−0.1345t, where t is in... more

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Math Word Problem

10/18/17

Two more than the product of a number and 4 is 7

Two more than the product of a number and 4is 7

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Other

10/18/17

Convection: Tranfser of thermal energy that occurs in solids, liquids, & gases when 2 substances of _ temperatures __.

Please help me on this question, I have to fill out the blanks. Convection is the type of transfer that I'm trying to figure out. My examples for Convection is Metal cup containing hot cocoa. And,... more

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Answers •2

Momentum

10/18/17

How much force would it take for the batter to hit the ball outward at 160 mph to hit a home run

a basketball pitcher throw a 145 gram fastball at 90 mph if an average batter is able to make contact with the ball for 0.7 milliseconds

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Chemistry Lab

10/18/17

Can Flame Test identify any unknown element?

Explain why or why not

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Negative Exponents And Reciprocals

10/18/17

A number is raised to a negative exponent. Is it always true that the value of the power will be less than 1?

Use an example to explain.

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Calculus

10/18/17

Converting polar curve to to cartesian

r= (1)/(2-sinθ)

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Math Algebra 1 Algebra 2

10/18/17

(a+bi)i=1, what is the value of a and b?

A complex number a+bi can be multiplied by i to get 1. What is value of a-b? (Note: i2=-1.)

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Math Word Problem

10/18/17

A javelin is thrown with a horizontal velocity of 16.4 m/s. If the total flight time of the javelin is 4.1 seconds, what is the total horizontal distance (in me

A javelin is thrown with a horizontal velocity of 16.4 m/s. If the total flight time of the javelin is 4.1 seconds, what is the total horizontal distance (in metres) traveled by the javelin from... more

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Physics

10/18/17

A ball is thrown upward with a speed of 25 m/s. How long does it take to reach its highest points

What is the maximum height reached by the ball in the previous problem?

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Physics

10/18/17

I figured out the first part of the question. Need help with the second question

1. A 9.0 kg bowling ball races down the lane at 15 m/s before striking a bowling pin (at rest) with a mass of 0.85 kg. If the pin flies off with a velocity of 45 m/s, what is the velocity of the... more

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Monument

10/18/17

How much force did the catcher have to use to stop the ball

a bassball pitche throw a 145 gram fastball at 90mph if the catchmet glove moves back 10 cm while catching the ball

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Motion

10/18/17

(a) Determine the x and y components of Vector 𝑨 ; B ; C. (b) Determine x and y components of the sum of these three vectors.

Vector 𝑨 ⃗ ⃗ has a magnitude of 75.0 cm and points at 30° above the positive x-axis. Vector 𝑩 ⃗⃗ has a magnitude of 25.0 cm and points along the negative x-axis. Vector 𝑪 ⃗ ⃗ has a magnitude of... more

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Slope Equation

10/17/17

Find the values of k and b if it is known that the graph of y=kx+b goes through points (2, 10) and (−7, −10)

please find Find the values of k and b

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Chemistry

10/17/17

Chemistry help

A large bottle containing 845 g of water at 5 ∘C is removed from the refrigerator.Part AHow many kilojoules are absorbed to warm the water to room temperature of 22∘C? Can't understand this... more

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Rational Expressions

10/17/17

what is the speed of the wind

an airplane can travel 355 mph in still air. if it travels 2562 miles with the wind in the same length of time it travels 2408 miles against the wind, what is the speed of the wind

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Rounding

10/17/17

The united states had 3,944,788 miles of roads. What is the distants rounded to the nearest millon miles

The US had 3,944,788 miles of road . What is the distance rounded to the nearest millon miles

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Answers •1

Math Proble.

10/17/17

Liza needs a total of 22.23 square feet of terry cloth to make a beach towel

Explain how I got the answer

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Answers •1

Calculate the RMS speed of hydrogen molecules at 25 C.

If heat is added to 5.6 kg of water at a temperature of 10ºC and the temperature is raised to 35ºC how much heat was added?

Over a linear 18-hour period in January, the temperature began at -4. After 8 hours, the temperature increased to 3. Write an equation to represent this

help me please

The population of Austin, Texas, was about 494,000 at the beginning of a decade. The population increased by about 3% each year.

The density of a person is slightly less than that of pure water. find the buoyant force of the atmosphere on a 60-kg person?

Answer to my question? (In description)

In 1980, the population of blue whales in the southern hemisphere was thought to number 4500. The population N(t) has been decreasing according to the formula

Two more than the product of a number and 4 is 7

Convection: Tranfser of thermal energy that occurs in solids, liquids, & gases when 2 substances of _ temperatures __.

How much force would it take for the batter to hit the ball outward at 160 mph to hit a home run

Can Flame Test identify any unknown element?

A number is raised to a negative exponent. Is it always true that the value of the power will be less than 1?

Converting polar curve to to cartesian

(a+bi)i=1, what is the value of a and b?

A javelin is thrown with a horizontal velocity of 16.4 m/s. If the total flight time of the javelin is 4.1 seconds, what is the total horizontal distance (in me

A ball is thrown upward with a speed of 25 m/s. How long does it take to reach its highest points

I figured out the first part of the question. Need help with the second question

How much force did the catcher have to use to stop the ball

(a) Determine the x and y components of Vector 𝑨 ; B ; C. (b) Determine x and y components of the sum of these three vectors.

Find the values of k and b if it is known that the graph of y=kx+b goes through points (2, 10) and (−7, −10)

Chemistry help

what is the speed of the wind

The united states had 3,944,788 miles of roads. What is the distants rounded to the nearest millon miles

Liza needs a total of 22.23 square feet of terry cloth to make a beach towel

Still looking for help? Get the right answer, fast.

OR

Arturo O.

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Rosetta Stone

Education.com

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ABCya

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Emmersion

Calculate the RMS speed of hydrogen molecules at 25 C.

If heat is added to 5.6 kg of water at a temperature of 10ºC and the temperature is raised to 35ºC how much heat was added?

Over a linear 18-hour period in January, the temperature began at -4. After 8 hours, the temperature increased to 3. Write an equation to represent this

help me please

The population of Austin, Texas, was about 494,000 at the beginning of a decade. The population increased by about 3% each year.

The density of a person is slightly less than that of pure water. find the buoyant force of the atmosphere on a 60-kg person?

Answer to my question? (In description)

In 1980, the population of blue whales in the southern hemisphere was thought to number 4500. The population N(t) has been decreasing according to the formula

Two more than the product of a number and 4 is 7

Convection: Tranfser of thermal energy that occurs in solids, liquids, & gases when 2 substances of _________ temperatures __________.

How much force would it take for the batter to hit the ball outward at 160 mph to hit a home run

Can Flame Test identify any unknown element?

A number is raised to a negative exponent. Is it always true that the value of the power will be less than 1?

Converting polar curve to to cartesian

(a+bi)i=1, what is the value of a and b?

A javelin is thrown with a horizontal velocity of 16.4 m/s. If the total flight time of the javelin is 4.1 seconds, what is the total horizontal distance (in me

A ball is thrown upward with a speed of 25 m/s. How long does it take to reach its highest points

I figured out the first part of the question. Need help with the second question

How much force did the catcher have to use to stop the ball

(a) Determine the x and y components of Vector 𝑨 ; B ; C. (b) Determine x and y components of the sum of these three vectors.

Find the values of k and b if it is known that the graph of y=kx+b goes through points (2, 10) and (−7, −10)

Chemistry help

what is the speed of the wind

The united states had 3,944,788 miles of roads. What is the distants rounded to the nearest millon miles

Liza needs a total of 22.23 square feet of terry cloth to make a beach towel

Still looking for help? Get the right answer, fast.

OR

Arturo O.

Convection: Tranfser of thermal energy that occurs in solids, liquids, & gases when 2 substances of _ temperatures __.