08/13/21

Regression Equations
The income of a small business for several years is given in the table below.Year/Thousands of Dollars1960/13.81961/58.61962/66.81963/61.81964/41.11965/28.81966/351967/67.4a)  Perform regression to... more
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08/11/21

CHEMISTRY QUESTION ON RATE OF CHEMICAL REACTION
QUESTION22.1. List four factors that can increase the rate of a chemical reaction. 2.2 What two factors determine whether a collision between molecules will lead to a chemical reaction? 2.3... more
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08/09/21

What were the Gupta Empire's achievements?
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01/27/21

Particle Motion (Again)
A particle moves along a straight line with velocity given by v(t) = 5-(1.03)^t^2 at time t ≥ 0. What is the acceleration of the particle at time t = 6?
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01/27/21

Converting compound from mass (g) to # of atoms
Convert 0.20 grams of CaCO3 to number of atoms.: (molar mass is 100.09 g CaCO3)Which is correct? # 1 or # 2?Method # 10.20 g CaCO3 x 1 mol CaCO3 / 100.09 g CaCO3 x6.02 x 10^23 molecules CaCO3 / 1... more
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01/27/21

f(x)=x-5 g(x)= radical sign(3x+1)
(f + g)(x)=(f/g)(x)=Combining functions
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01/27/21

Solving linear systems using technology
The senior classes at high school A and high school B planned separate trips to the state fair. The senior class at high school A rented and filled 2 vans and 8 busses with 360 students. High... more
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01/27/21

Solving linear systems using technology
The senior classes at high school A and high school B planned separate trips to the state fair. The senior class at high school A rented and filled 2 vans and 8 busses with 360 students. High... more
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01/27/21

The reaction N2 (g)+ 3H2 (g)→ 2NH3 (g) is used to produce ammonia (NH3) commercially. If 1.4 g of N2 is used in the reaction, how many grams of H2 will be needed?
I need help in chemistry very much!
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01/27/21

Carry out the following calculation, making sure that your answer has the correct number of significant figures:
7.80 g divided by 15.9 g minus 8.37 g
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