Find the sum: -4/7 + (-9/14) = and: -4/5 + 11/12 =
Some bacteria get their energy from reduction of CO2 to CH4 by H2. 1. How many electrons are required to reduce CO2 to CH4? 2. Calculate the G for formation of methane based on the two standard reduction potential of -0.171V for reduction of CO2 to CH4 and -0.414V for reductio...
The extracellular concentrations of Na+ and K+ are 135mM and 6mM, respectively. The intracellular concentrations of Na+ and K+ are 10mM and 105mM, respectively. The membrane potential is 75mV. For Na+/K+ ATPase, 3Na+ are exported and 2K+ are imported. Calculate the total free ...
Using your knowledge of trigonometric identities, ﬁnd the exact value of sin(x+y) knowing that x and y are between 0 and π2, that sin(x)=725 and that sec(y)=1312. Your answer must be a rational number, written in the form of an irreducible fraction p/q (such as 2/3...
If I have a length of paper 48 cm long and 34 cm wide and I divide into 6 eqaul sections what is the area of each section?
How long could it take an ecosystem to reach climax community in a primary succession? And a secondary succession?
How is music like electricity? Examples.
Can a beat be shown and not heard? I need to be able to demonstrate.
How do you evaluate these expressions? 13 + (-29) or (-32) -44
How do you write a polynomial for the volume of a box?
Thanks for your help, but on question one those are my choices A,B,C,D. I guess the best choice is "B".
I am confused on question one my choices are: A. when I saw her across the street B. I waved frantically C. to get her attention D. because I wanted to tell her something I think the answre is B. The 2nd question dependent clause: F. although they live far from each other G. S...
Thank you for your help. I have 2 more questions. Which is an independent clause? when I saw her across the street I waved frantically to get her attention because I wanted to tell her something I think is is I waved frantically. Next is which is a dependent clause? although t...
Which best describes this sentence? Since many countries have football teams, there is much competition leading to the World Cup. Compound, complex, simple or comma splice.
Is this a complex sentence? In most countries, people call the game of soccer football.
1. What amount of Potassium Chloride forms when 5.25 litres of Chloride gas at 0.95 atm and 293K reacts with 17.0g of Potassium.
Is this the correct present tense verb in this sentence? Then Joe starts the power saw. I think it is starts not started.
Present Tense Verb questions, Which is correct in this sentence? Joe chooses a piece of wood. Is it chooses or chose? Also, Joe lies his jacket on the bench. Is it lays or lies?
I need the present tense form of the verb choose in this sentence. Fred chooses a piece of wood. Is it chooses or chose? Also in this sentence, Jim lies his jacket on the bench. Is lies or lays correct?
Is this a correct sentence using a linking verb? My dog Sam is in the bathtub. Is "is" the linking verb?
I do have one more question. I had to write a sentence using a linking verb this is my sentence. My dog Sam is in the bathtub. Is this a correct sentence with a linking verb "is"?
I have one more to check: Writing is my favorite subject. Is "is" the linking verb?
One more sentence to check. Writing is my favorite subjrect. Is "is" the linking verb?
I think are is a linking verb, and grows is the verb.
Linking and action verbs. I have 3 sentences not sure what the verb or linking verb is in them. 1. I am happy for my brother. 2. They are quiet in the library. 3. Aris grows flowers in her backyard.
The property restoration company puroserv is considering switching to new dehumidifiers. Their market research considering the cost of the new machines and their efficiency tells them thats them switch would give them an 80% chance of making a 20, 000 profit a 15% chance of br...
How would you write the plural possessive for this sentence: In the rodent room, they saw the (mouse) cages.
Thank you Ms. Sue, I was not sure if it was 256 or 512.
I am submitting agian, I am not sure the answer someone gave sounds correct. We are learning about exponents. A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?
We are learning about exponents, I don't think this is the correct answer, anybody esle have a thought?
A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?
If a phone team asks each person to call two people, how many rounds will it take to call 64 people?
Daisies=21, tulips=14, roses=7
What Is The Simple Subject Of This Sentence? The Eerie, High Pitched Whistling Got Louder And Louder As We Neared The Empty House.
Many settlers came here because of the easy access to the ports, cities where built near them and that is where people stayed.
put into scientific notation (3.7x10^4)(8.1x10^-7
factor completely: 22xy^3+55x^4y^2
A metal block of mass m is attached to the ceiling by a spring. Connected to the bottom of this block is a string that supports a second block of the same mass m, as shown in the figure . The string connecting the two blocks is now cut.What is the net force acting on the two-b...