05/03/20

Gravitational Forces - Questions
A person weighs 950 N on Earth. Determine their weight on the moon if the gravitational field strength is 1.62 N/kg. The asteroid Ceres has a mass 7.20 x 10^20 kg and a radius of 500 km. How much... more
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05/03/20

HELP ASAP PLEASE!!
25.Without doing any calculations, determine the sign of DSsys for each chemical       reaction.(i) Mg(s) + Cl2(g) → MgCl2(s)(ii) 2H2S(g) + 3O2(g)  → 2H2O(g) + 2SO2(g)(iii) 2O3(g)  → 3O2(g)(iv)... more
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05/03/20

Percent yield of chemical reactions
Aqueous sulfuric acid reacts with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water . If 2.15g of water is produced from the reaction of 34.3g of sulfuric acid and 12.9g... more
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05/02/20

I need help with this question please!
Choose which characteristics are key features of the genetic code.Three nucleotides encode an amino acid.The code is degenerate.The code has directionality.The code is overlapping.The code has... more
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05/02/20

Find the net force exerted on Q1 due to Q2  and Q3.
Three point charges Q1,Q2 , and Q3 with magnitudes -4.12μC  , 3.74μC  , and -1.14μC , respectively, are located along the x-axis at  0m  , 0.580m  , and 0.900m , respectively. Find the net force... more
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05/02/20

Are sex cells haploid or diploid?
Good morning,are sex cells haploid or diploid ?thanks in advance
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05/01/20

Average with Uncertainties
Can you derive the average acceleration of these two values with an uncertainty?-0.58 +/- 0.03m -0.53 +/- 0.04m Is it possible to break down the process into steps when answering?Thank you!
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05/01/20

Translate the sentence into an equation
Twice the difference of a number and 2 is 8
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05/01/20

Exponential question

Anne bought a new car for $35 000 and sold it five years later for $18 475. Assume that the value of the vehicle depreciates exponentially. Calculate the annual rate of depreciation.
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05/01/20

Suggest a method, other than using water, for making Solid Sodium Chloride conduct electricity.

Suggest a method, other than using water, for making Solid Sodium Chloride conduct electricity. 
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05/01/20

Confidence intervals
We are interested in estimating the proportion of students from a local trade school who find a job within one year of graduation. We survey and found that 52 of 63 randomly sampled graduates found... more
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05/01/20

slope intercept word problems
cameron estimates that the math class will sell 200 calendars what will the total cost be
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05/01/20

A gas at 115 kPa and 35ºC fills a flexible container with an initial volume of 2.00 L. If the temperature is raised to 80ºC and the pressure increases to 445 kPa, what is the new volume?
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05/01/20

slope intercept word problems
Each calendar will sell for $5.00 each.write an equation to model the total income for selling calendars
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05/01/20

Factoring a difference of squares

Identify the factors of z2-64 Identify the factors of 100-49w2 Paul says r2+100 is a difference of squares and Peter says it is not. Who is right? Explain your answer.
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05/01/20

Algebra Function and Domain Word Problem

According to Betty a 2 lb. tenderloin roast put in the oven at 425 degrees will take 45 minutes to cook to medium doneness. A 4 lb. tenderloin at the same temperature will take an hour to reach... more
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05/01/20

Perimeter and area
If we were to increase the area of a figure would we also need to increase the perimeter?
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05/01/20

the product of four and seven, subtracted from fifty
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05/01/20

HELP ASAP!!!!! EMERGENCY PLEASE
11. The initial concentration of a reactant in a second order reaction is 0.95 M. The       rate constant k is 0.0045 M-1 s-1. What will be the concentration after 3 minutes?
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05/01/20

After how many seconds will the ball hit the ground? (round to nearest tenth)
A ball is thrown into the air with an initial velocity of 32 feet per second, from a height of 11 feet. The equation for its height at time t is given by v(t)=-16t^2+32t+11.
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05/01/20

Should the government continue to keep us on a quarantine with businesses closed until the virus is completely under control

Is it time to open the economy back up, get people back to work, and take a risk of the virus getting worse? need to be 3 paraGraph. please
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05/01/20

Find the equation
Find the equation of the line that contains the point (0, −1) and has slope −4
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05/01/20

If it takes 7.1 pounds of seed to plant one acre of grass, how many acres can be planted with 9.94 pounds of seed?
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05/01/20

A roller coaster starts from rest at the top of a 90 m hill. How fast will it be going at the bottom of the hill, if there is no friction?
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05/01/20

what particle decay is this? 210 Bi→ 83 210 Po + ___
What particle decay is this210 Bi--> 83 210 Po + ____
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