# Posts by student

Total # Posts: 865

**science**

The process that creates cells with different genetic combinations is a. asexual reproduction b. mitosis c. cell fission d. meiosis i believe its d?

**Psychology**

I thought I need to write on humanistic perspective. The above is a related to which psychology.

**Psychology**

Please provide me some points to write an essay on a case. Alexis had often wished that she could understand herself better. But the fight with her boyfriend the previous night really made her wonder what was driving her behaviour. For no reason at all, she had gotten annoyed ...

**Chemistry**

What is the limiting reactant is if 0.5gAl is reacted with 3.5gCuCl2? 2Al(s)+3CuCl2(aq) --> 3Cu(s)+2AlCl3(aq)

**@ Hello -- Bye!**

i am a connexus student i use this site for help not answers for any other connexus students this is a site for help not answers it says it in the name of the site

**Student supervision**

But Ms. SUE, for other student you said D is the correct answer. I am confused. Please help.

**Student supervision**

What is a good technique when you're supervising a reading group?

**Student supervision**

What is a good technique to follow when you'return supervising a reading group? A. Ignore the mistake a student makes. B. When a student comes to an unknown word, say what it is. ( my answer) C. Concentrate on correct words, rather than correct expression and punctuation. ...

**Physics**

Two spheres are cut from a certain uniform rock. One has radius 3.54 cm. The mass of the other is 3 times greater. Find its radius.

**Louisiana History**

1. What is the primary role of the attorney general? A. Manages the state's money. B. Provides opinions on questions of law. C. Serves as the chief election officer for Louisiana **** D. Defends the Great Seal of the state of Louisiana. ----------------------------- 2. ...

**Need guidance on how to solve Michaelis Menten**

The question is below. If someone could at least give me an idea of where to start, or some steps of how I should go about solving this problem, I would be so extremely grateful. Thank you! You isolate an enzyme from teddy bear liver. The enzyme catalyzes the following ...

**Biology**

not a linkk i want someone to explain it too me

**Biology**

what does ribosome mean in simple english?

**Chemistry**

I am trying to answer the question below, and I am guessing the reason lactate has a lower Km is that it is better able to accept electrons than ethanol. Is this correct? If so, what makes lactate a better electron acceptor? Any help is greatly appreciated! "ethanol is a ...

**Physics**

Two spherical objects have masses of 3.5 x 10^7 kg and 6.5 x 10^9 kg. Their centers are separated by a distance of 125000 m. Find the gravitational attraction between them.

**Biochemistry**

The kinetic parameters of the reaction of lactate to pyruvate can be measured by following the formation of NADH from NAD+. It can also be measured in the reverse direction, however, at high concentrations of NADH the reaction cannot be monitored at 340 nm? Why is this? I'...

**Biochemistry**

Because ethanol is a poor substrate for LDH, shouldn't it have a lower Km than lactate? (Because Km is binding affinity) Also, how do the structure of active sites (for example, in this case lactate and ethanol) influence Km? THANK YOU SO MUCH!

**english**

I need help in writing a detailed paragraph contrasting these two stories "Gumption" and "To build a fire" and how their structures influence meaning.

**geometry**

Create a wrapping paper design that includes at least four of the following constructions: a bisected angle a perpendicular line drawn from a point not on a line to a line a perpendicular line drawn through a given point on a given line a quadrilateral with at least one pair ...

**Biochemistry**

How does acetyl coA get out of the mitomatrix and into the cytoplasm? If you could explain this process, or reference me to a good picture or graphic of this process I would greatly appreciate it! Thank you so much for your help!

**Composition of Functions**

1. Find (f·g)(x) where f(x) = 1/x²+3 and g(x) = ?x-2. a) (f·g)(x) = 1/x-2 b) (f·g)(x) = 1/?x-2 +3 c) (f·g)(x) = ?-2x²-5/x²+3 2. Find (g·f)(x) where f(x) = x²-2 and g(x) = 5x-8. a) (g·f)(x) = 5x²-18 b) (g·...

**functions**

Safi is traveling to London, England. he's going to have two layovers on his trip. in total, he's going to spend 17 hours on a plane. if he doesn't want to spend any more than 21 hours in total traveling, how long can each layover be, assuming they're the same ...

**Physics**

Determine the radius R of an object undergoing circular motion at a velocity of 54 m/s with an acceleration of 90 m/s^2

**Physics**

Calculate the velocity of an object moving around a 32m circle in a period of 11s. Calculate the acceleration.

**American Government**

3 is B

**Chemistry**

Thank you for your help!!

**Chemistry**

You have isolated compound X from panda pancreas. You started with a whole pancreas, and finished up with 5 ml of a pure solution of X. Assume you got 100% recovery of compound X. You take 300 µl of this solution, and add it to 1.7 ml of buffer. The absorbance of this ...

**social study's**

The introduction of maize most likely contributed to which major Native American cultural shift? A) the creation of large earthworks B) the gradual end of the nomadic lifestyle C) the growth of the hunter-gatherer culture D) the depletion of large game such as buffalo

**GCF**

adding and subtraction number using greatest common factors 940-420=? 169-26=? 15+75-45=? 48+16=? 17+51=? What is the GCF?

**Math**

adding and subtraction number using greatest common factors 940-420=? 169-26=? 15+75-45=? 48+16=? 17+51=? What is the GCF?

**Math**

adding and subtraction number using greatest common factors 940-420=? What is the GCF?

**Math**

adding and subtraction number using greatest common factors 121-22=? What is GCF of this problem?

**Social Studies**

Why did Congress feel the need to boost American morale by releasing this address in early 1778? A. American army had given up an d and began to side with the British. B. Americans were beginning to lose hope of winning their independence. C. Congress used the address as a way...

**Social Studies**

12. Which of the following excerpts is a grievance of the American colonists that was included in Declaration of Independence?

**Social Studies**

9. Which of the following statements comparing the Continental and British armies is most accurate? A. The British had more troops and were better disciplined than the Americans. B. The British had limited access to supplies while the American supplies were plentiful. C. The ...

**Social Studies**

7. What was the impact of the Olive Branch Petition?

**Social Studies HELP**

Thank you

**Social Studies HELP**

4. How does Abigail Adams use the ideas of the patriots to support her cause?

**geometry**

sketch LM on paper. Construct a line segment to LM. Then construct the perpendicular bisector of a line segment

**English**

Is the below sentence in Third person? This reference will be used in the prevention and education section of the paper.

**math**

1.Which ordered pair is the solution to y = 2x + 10? a(2, 2) b.(3, -4) c.(-3, 4) d.(1, 6)

**MATH HELP**

1.Which ordered pair is the solution to y = 2x + 10? a(2, 2) b.(3, -4) c.(-3, 4) d.(1, 6) 2.Solve the following equation: m – 8 = -14 a.m = -6 b.m = 7 c.m = 26 d.m = -4 Solve the following equation: 4/7 x = -16 A)x = 42 B)x = -28 C)x = 23 D)x = -24 Solve the following ...

**Physics**

An object is shot upwards, from the ground, with an initial velocity of 120 m/s. How high will it be after 4.0s?

**Physics**

An object, initially at rest, is subject to an acceleration if 34 m/s^2. how long will it take for that object to travel 3400m

**PLEASE HELP HISTORY**

In what way was the government of ancient Athens different from the united states A) Athens was a direct democracy in which citizens B) Athens was an oligarchy ruled by the wealthy members of the council of five hundred C) Athens was a republic in which the people voted for ...

**Anatomy and Phys**

what is the difference between heartburn and dyspepsia?

**Physics**

A ball is thrown straight down with a velocity of 12 m/s; what will be its velocity 2.0 s after being released? Please help me solve this!!

**History**

Explain how scientists use evidence to interpret history Explain the features of early civilizations Identify the effects of Neolithic Revolution on humanity thanks in advance

**World History**

Explain how scientists use evidence to interpret history Explain the features of early civilizations Identify the effects of the Neolithic Revolution on humanity

**Geometry**

E = hc/y , solve for the variable h

**Inorganic Chemistry**

How comes no answer for this????

**Physics**

How far does a runner travel if they maintain a speed of 8.5 m/s for 240 s?

**Physics**

During the first 50 s a truck traveled at constant speed of 25 m/s. Find the distance that it traveled.

**Physics**

A rabbit can cover a distance of 80 m in 5 s. What is the speed of the rabbit?

**Language Arts (Books)**

How does the writer use Elphaba to convey a message or a lesson in the book Wicked?

**PICOT Question**

I would like to to research on Concussions in College Football Players but am having trouble trying to use the PICOT to formulate a question. This is what I have so far: In college football athletes with concussions does current treatments and management compared to past ...

**Math**

a man can swim with a speed of 4 km per hr in still water. How long does he take to cross a river 1 km wide if the river flows steadily at 3 km per hr and he makes his strokes normal to the river current? How far down the river does he go when he reaches the other bank? Ans: ...

**Algebra**

Find K given y=200 when x=300

**Algebra**

Write the equation of the line in slope intercept form; passing through (3,11) with slope 7/3

**Algebra**

A is the point (4,-3) and b is (-1,1). Find the gradient of a line perpendicular to AB. Plz help!!!!

**Algebra**

Thank you John

**Algebra**

Write the gradient of the line perpendicular to the line with gradient. (a) 5 , (b) 7 , (c) -4 , (d) -9 , (e) 1/2 , (f) -3/4 , (g) 3/8 , (h) -2/3

**Chemistry**

How to convert 4.6-10.5 micrograms/dL to nmol/L? The answer is 59-135 nmol/L, but I have no idea how to set it up to get that answer.

**Math**

Match the math sentences that count up and back by tens. 47+40=88 57+30=87 46+10=56 56-10=46 87-40=47 87-30=57 Write the matching math sentences.

**Math**

Match/Choose the math sentences that count up and back by tens. 47+40=88 57+30=87 46+10=56 56-10=46 87-40=47 87-30=57 Write the matching math sentences.

**science**

How does the law of conservation of matter apply to mixtures? The law of conservation of matter is a law that states matter cannot be created or destroyed. But how does that affect mixtures HELPPPPP

**English**

What are the elements of the literary genres of suspense and horror? How is foreshadowing used to create suspense? What is an unreliable narrator? What are the characteristics of a stock character? What is the purpose of poetic devices such as assonance, consonance, and ...

**LOGARITHM**

Ln(2x-1)^2=7 solve for x. Please check my answer!!! =17.0577259793 Is this number too big?

**Logarithm**

Please check!!! =17.0577259793 Is this number too big?

**Logarithm**

Ln(2x-1)^2=7 solve for x. Really confused

**Logarithm**

Solve for x

**Logarithm**

Ln2+Lnx=1

**Math**

Thank you

**Math**

2e^3x=16 Solve for x. So far I changed this to 2ln3x=16 then ln3x=8 then...

**Math, science**

in 2009 an earthquake of magnitude 6.7 shook the kermadec islands off the coast of new zealand. also in 2009 an earthquake of magnitude 5.1 occured in the alaska peninsula. How many times stronger was the kermadec earthquake. Use formula log (I1/I2)=m1-m2 A.39.811 B.20.593 C.5...

**Algebra 2**

Thanks

**Algebra 2**

I am confused about his question. I 3000 times.04 times 10 and added that to 3000 to get 4200 but its not an option QUESTION::suppose you deposit $3000 in a savings account that pays interest in a a rate of 4%. if no money is added or withdrawn from the account, how much will ...

**math**

thanks steve that helps me without giving me the answer

**Art**

The right answer is The figures of various community members :(

**maths,agricultur;life science,business**

Why are you asking this? Only you know what Sciences interest you; not us...

**Chemistry-DrBob222**

A 1.0 L ball containing Ar at 5 atm is connected to a 10.0 L ball containing N2 at 2atm. A)Calculate the partial pressures and mole fractions of Ar and N2 after the valve is opened and the gases are allowed to mix (they fill the balls on both sides). My answers: P argon = 0....

**Chemistry-DrBob222**

I know I pored this already, but I for it to mention the assumption. See below. A calorimeter contains 30.0 mL of water at 15.0 C. When 1.50 g of X (a substance with a molar mas of 46.0g/ mol is added, it dissolves via the reaction X (s) + H2O (l) ----> X (aq) and the ...

**Art Please Ms.Sue**

Which two cultures use creatures to protect or transport humans after death? America (bald eagle) and Spain (bull) Egypt (the animal-headed sons of Horus) and China (the dragon)***** Egypt (the jackal) and China (the lion) Mayans (the crow) and Greeks (the raven) What symbol ...

**Chemistry**

Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 9 psi (vs. 14.7 psi at sea level). Under those conditions and assuming T = ...

**Art Please Ms.Sue Help**

Thank you your awesome. Ms.sue

**Art Please Ms.Sue Help**

1.How do landscape paintings convey the values and ideas of Chinese culture? A.Landscape paintings show chaotic, unhappy culture. B.Landscape paintings reveal the importance of natural history to the Chinese. C.Landscape paintings show that Chinese desire to live in simple ...

**Chemistry**

A calorimeter contains 30.0 mL of water at 15.0 C. When 1.50 g of X (a substance with a molar mas of 46.0g/ mol is added, it dissolves via the reaction X (s) + H2O (l) ----> X (aq) and the temperature of the solution increases to 26.5 C. Calculate the enthalpy change for ...

**Chemistry- DrBob222**

Please check. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 9 psi (vs. 14.7 psi at sea level). Under those conditions and ...

**Chemistry**

1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 9 psi (vs. 14.7 psi at sea level). Under those conditions and assuming T...

**Chemistry**

If I was designing an experiment where hydrogen gas was collected over a 0.1 M aqueous HCl solution from the reaction with zinc metal and I assume complete, rapid reaction, what mass of zinc would be used to collect between 50 and 100 mL of the gas? Note: I calculated using ...

**Chemistry**

What is the equilibrium constant for a weak acid HA that dissociates 1% at an initial concentration of 0.05 M according to the following balanced chemical equation? HA <----> H+ + A-

**Chemistry-DrBob222**

A 10.00 mL aliquot of 0.100 M NaOH is added to 15.00 mL of 0.100M HCl in a coffee cup calorimeter. The initial temperature of the two dilute liquids were both 25.0 degrees C and the final temperature of the mixture was found to be 37.8 degrees C. What is the (molar) heat of ...

**Chemistry-DrBob222**

A piece of solid magnesium is reacted with hydrochloric acid to form hydrogen gas: Mg (s) + 2HCl (aq) ---> MgCl2 (aq) + H2 (g) What volume of hydrogen gas (in mL) is collected over water at 25 degrees Celsius by reaction of 0.450 g of Mg (AW= 24.3 g/mol) with 50.0 mL of 1.0...

**Chemistry**

Two gases are mixed in a 10.0L fixed volume flask: 8.0 L of O2 at 2.00 atm and 2.0 L of N2 at 3.00 atm. A) Calculate the partial pressure for each gas and the total pressure. I got ... PO2 = 1.60 atm PN2= 0.600 atm B) How much (volume in liters) argon at 5.0 atm must be added ...

**Chemistry**

Two gases are mixed in a 10.0L fixed volume flask: 8.0 L of O2 at 2.00 atm and 2.0 L of N2 at 3.00 atm. A) Calculate the partial pressure for each gas and the total pressure. I got ... PO2 = 1.60 atm PN2= 0.600 atm B) How much (volume in liters) argon at 5.0 atm must be added ...

**Chemistry**

A piece of solid magnesium is reacted with hydrochloric acid to form hydrogen gas: Mg (s) + 2HCl (aq) ---> MgCl2 (aq) + H2 (g) What volume of hydrogen gas (in mL) is collected over water at 25 degrees Celsius by reaction of 0.450 g of Mg (AW= 24.3 g/mol) with 50.0 mL of 1.0...

**Chemsistry**

Write a balanced chemical equation for this: The RXN of hydronium ion with solid calcium carbonate to form calcium and bicarbonate (HCO3-) ions.

**Chemistry**

Write a balanced chemical equation for this: The RXN of hydronium ion with solid calcium carbonate to form calcium and bicarbonate (HCO3-) ions.

**Chemistry- Dr.Bob**

What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice at -15 degree C? Is the physical state of water liquid? The explanation from bobpursly was this The sum of heats gained =0 80(cice)(0+15)+80Hf+80cw(...