12/04/21

Nature of energy (Need Asap, please. Thank you)
A mole of Ar atoms moving at 650 m/s.Hint: 1 amu = 1.66 x 10-27 kg
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12/04/21

Linear Models assignment
Rent-A-Wreck rents cars for daily use. The cost of renting a car from them is r(x)=0.26x+36 where r is the daily cost based upon x number of miles driven. Jalopies-R-Us also rent cars for daily... more
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11/18/21

What type of triangle is given by the points D (1, 1) , E (3, 8) , and F (5, 1)
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10/26/21

Write an equation that gives the distance travelled by the falling object in the nth second (i.e., an). How many feet would an object fall in the tenth second?

To prove that objects fall at the same rate, Galileo dropped two objects with different weights from the Leaning Tower of Pisa in Italy. The objects hit the ground at the same time. When an object... more
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08/29/21

AMDM Extended Response Queston (Mathematics)
Jake is riding an escalator. After riding for 3 seconds, he was 25 inches above the ground. A. How many inches is Jake rising per second?B. At the rate Jake is rising, how many inches above the... more
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01/16/21

If 17.4 g of MG react with 450 g of O2 what mass of product forms
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09/06/20

Express your answer to two significant figures and include the appropriate units.
The density of liquid oxygen at its boiling point is 1.14KG , and its heat of vaporization is  213KJ/KG .How much energy in joules would be absorbed by 4.0  of liquid oxygen as it vaporized?
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08/17/20

I need help with my algebra
The product of x and 10 is greater than or equal to 23
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08/17/20

I need help with my algebra

A number m is increased by 12 is less than 48
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08/17/20

is negative torque equal to positive torque in same numbers
F¼d=-F¼d??
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06/25/20

i need help please

An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s speed zone. A police car observed the automobile. At the instant that the two vehicles are abreast of each other, the... more
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06/09/20

Question in description

“A student uses an exponential decay function to model the distance traveled over time of a car traveling at a steady speed of 50 miles per hour.” Correct the error in the model.
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06/07/20

A 3 mole sample of gas at 25 degrees C and 1 atm, leaks. When the leak is discovered and sealed the pressure in the vessel has dropped to 0.694 atm. How many moles of gas remain in the vessel?
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05/28/20

Quick Question Help Newtons Third Law
Two blocks of mass 1.78 kg and 3.29 kg are sitting side by side on a table. The coefficient of friction between the table and the blocks is 0.350. An applied force of 30.0 N is given on the 1.78 kg... more
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05/27/20

The sandwich shop offers 3 different kinds of sandwiches’, 2 different sides, and 4 different beverages. How many different combinations are possible?
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05/27/20

In how many different ways can the rankings of 1st, 2nd, and 3rd place be found from a group of 10 people?
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05/06/20

Question in the description

For an engineering contest, you have to create a container for an egg so that the container can be dropped from a height of 30 feet without breaking the egg.a) The distance y (in feet) that the... more
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05/02/20

3ab – 2bc = 12; c

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05/02/20

If sin α = 0.054 and sin β = 0.655 with both angles’ terminal rays in Quadrant-I, find the values of (a) cos(a+b) (b) cos (b-a)
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05/01/20

how many moles of zncl2 will be produced from 55.0 g of zn
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04/25/20

Rate of reaction question

I. Increasing the temperature increases the rate of a chemical reaction BECAUSE II. the activation energy is lowered. A) I is TRUE, II is FALSE B) I is FALSE, II is TRUE C) I and II are BOTH FALSE... more
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04/25/20

Which set of numbers represents the lengths of the sides of a right triangle?
A. {2,6, sqrt 40}B. {2,18,20}C. {4,6, sqrt 40}D. {4,36,40}
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04/24/20

Gas Law Chemistry
At standard temperature, a gas has a volume of 337 mL. The temperature is then increased to 127◦C, and the pressure is held constant. What is the new volume?
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04/18/20

What mass of water will be produced from 2.70 moles of Ca(OH)2 reacting with HCl?
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04/18/20

the half-life of vancomycin is 3 hours. You inject a bolus of 2000mg into this patient. How long will it take for the blood vancomycin concentration to be less than 10mg/ml
A 26-year-old female with a history of IV heroin use (most recent use within 24 hours before admission) presents to the ED with fever and malaise. Upon exam she is clinically unstable and... more
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