Posts by MJ
Total # Posts: 152
2nd year University BIOLOGY
Ommochromes are not soluble in mobile phase, ( thats all it says in the procedure)
2nd year University BIOLOGY
Why do we see pteridines but not ommochromes on a TLC plate?
In case anyone still needs it, the answers are: 1. B. NAFTA has established the largest free trade zone in the world. 2. B. to promote the foreign policy positions of the United States. 3. D. a decrease in U.S. manufacturing jobs.
idk man i came here for an answer sooooo ye
The following questions are from "science and the Sense of Wonder" by Asimov 1. (Part A) What is Asimovs main idea in the essay? a. Space is best apprecieated through poetry b. Poetry and science can work together c. the universe is more than beauty ***** d. ...
from 10 meters of wire, 3/4 meter was cut.How many meters of wire were left?Show your answer by using an illustration
Mrs.Smart is right!
Solve for elimination method,substitution method and cramer's rule for 8x - 4y + 2z =16
8x - 4y + 2z=16 for elimanation method,substitution method and cramer's rule?
place value of 95732
Thank you. This mix is used in concrete technology. They mix Na2SiO3 solution and NaOH solution and add it to fly ash and aggregate to make concrete. The resulting SiO2/Na2O ratio is important for making concrete. I want to know how it is determined. I have seen somewhere they...
How to determine SiO2/Na2O ratio after mixing Na2SiO3 (SiO2=30%, Na2O=9%, water=61%)and NaOH (8M)solutions?
uuuummm..... isn't that question for Math? XD I've seen it in Algebra before.
Could any of you help me on the same question? I know I can rule out C. But I am stuck.. Please let me know if you can :)
sqrt = square root so: sqrt (36+64) = sqrt (100) = 10 and the other one is: sqrt [36+25+81] = sqrt  ≈ 11 or 12
neither of these are correct. Im real sorry guys. I am about to do the test. If I do well I will help yall out.
Science: Chemical Reactions
Thanks SO MUCH :D
Science: Chemical Reactions
Sodium chloride is formed when the metal sodium bonds to the nonmetal chlorine. The atoms are held together by a(n) ___. PLEASE HELP I DON'T GET IT! :"(
What is the true weight of a 60-kg astronaut on: a) the surface of Mars? b) the surface of Saturn? given: mass of Mars= 6.42x10^23 mass of Saturn= 5.69x10^26
Calculate the true weight of a 60 kg astronaut on: a) the surface of Mars, and b)the surface of Saturn. Mass of Mars= 6.42x10^23 Mass of Saturn= 5.69x10^26
... I'm just gonna ignore all that... It is Egg because the sperm cannot be fertilized, it fertilizes. Eggs turn into embryo after a certain amount of time too.. so ya, its Egg. And ya, I'm not a teacher. So what? I like helping. XD
8th Grade math PLEASE CHECK MY ANSWERES
Thanks 5Sos Fan! 100%
Which of the following is not equivalent to -1/2 A. -1/-2 B. -[1/2] C. 1/-2 D.-0.5 The answer is A
St. Augustine beach is changing -3ft. each year due to erosion. What will the overall change to the beach be in 7 years if this continues to occur? The over all change will be -21
It will b A -4.08
A diver descended at a constant rate of 12.24 feet every 3 minutes. Which of the following is true? A. After one minute, the diver was at-4.08 feet B. After one minute, the diver was at 4.08 feet C. After one minute, the diver was at -6.62 D. After one minute, the diver was at...
In a science experiment, the temperature fell 63 degrees Fahrenheit in 9 minutes. If the temperature fell at the same rate every minute, how many degrees did it change each minute? 63 divide by 9 = 7
A quality control sample taken on a certain day revealed that for every 2000 units of a particular product manufactured,30 units were defective ?
A blueprint 8 centimeters wide and 14 centimeters high is to be enlarge.if the height of the enlargement will be 30 centimeters, how wide will it be?
6th grade math
What is the greatest number of pictures each 2.5 and 3.5 inches that a photographer can print on an 8 inch by 10 inch paper?
All correct. I know because I compared her answers with mine we both got 100%. ;3
PLEASE HELP ME!!!
it seems to be C.
I agree with @bobthebuilder too. You need to calm down, @SOMEONE WHO DOESN'T LIKE WRITECHER XD ur funny, @RoastedToaster
A new national survey found that Americans drink an average of 6 glasses of water daily, instead of the recommended 8. Assuming that the number of glasses of water is approximately normally distributed with a standard deviation of 1.7 glasses, what proportion of Americans ...
30% which is also C., right @Ms. Sue ?
Yea, it's A. 5g I got 100% :3 Thanks!
What is the concentration in ppm of Ag in a 245 lb of Ore that contains 83.5g of silver?
wow..... just... wow....
Science Help Please
THANK YOU SO MUCGH OMG OMH OMG OMG 100%
Yep, Damnnnn Daniellll is correct that Lamp is correct. I just did the Quiz (for Connections Academy).
Writing - APA
For writing in APA and your table goes on two pages, do you just repeat the table header rows? I already titled the table on the first page.
When dealing with the probabilities in the payoff matrix, would you always go with the highest calculated value? For example, I calculated payoff by multiplying the hours it would take to do something times the probability. Then used those values and took the sum for each row ...
The scale of a map is 5m= 15 mi maps 8.2 actual____
The scale factor for a blueprint is 7cm= ___m Model 40.4 cm actual 80.6m
Play boi carti is correct! I got a 100
2 is wrong, @simplyme., these are this is the right answer: 2.) b The rest are correct, tho, good job. :3
Jim, Juan, Mary, and John are all managers for the same company Jim always meets the sales goals Juan exceeded the goal by 15% on Tuesday and 10% on Wednesday. Marys goals for each day of the week are 5% lower than the goals for other managers. ...
L.A help please
huh, I thought it was A... Oh well, I'm glad I checked my answer!
okkkkkkk so A?
how many milliliters of 4 M h2so4 are needed to react completely with 23.7g of Bao2
P.E. help please
I know that this is 2 years later, but D IS correct, I did the assessment. WHAT I THINK: They should have done "none of the above" for D and "all of the above" for C. Connections can make things so confusing sometimes. >_<
Yea, I thought it was B. Thnx guyz!
science Help 911!!
LOL btw, thanks @DrBBob222 and @Maggie
DO NOT CHOOSE B!!!!! It is A. I tried, and I got it wrong. :"( Answer: A. respiration, photosynthesis, decomposition It doesn't really make sense to me at this moment... But I'll get it sooner or later.
Anon is correct. I just took the test
HAHAHAHAHA Anonymous is awesome
Everyone but Mary meets their sales goals on Monday. True? False? or Indeterminate? Juan's best day was Tuesday. True? False? Indeterminate?
Girl that has no friends is correct!
Kendy is right :)
You are such a brusselsproute
Project R, which has a minimal initial cost but have a higher profitability index
2/5 of the total questions on a test have the answer Choice of C. If 50 questions have the answer C, how many total questions are there? I've tried 20/50 2/5 times 50/1
The game involves tossing a penny and a dime along with rolling a die. to win the penny land heads up, the dime land tails up and roll a 6 on the die. what is the probability that he will win on the first play
Correct. I got them both right. It's for confirmation.. :3
*rubs forehead, sighing* You all have become very distracted...
math (cant figure it out)
........... READ. XD 3. 30% 4. None of these 5. 37.5% Happy now? :3
Something is right. I just got a 100
You are asked to make a 0.3M CaCl2 solution in a flask that can hold 200 ml. How would you do it?
How much NaOH (in grams) would there be in 0.25 litre of a 0.3M solution?
@blahh , @check my answer is right, @anonymous wanted us to check his answers, not do them for him. >.< Anyways, @anonymous , here are the answers: (100% CORRECT,I did the assessment) 1. A. a solar eclipse ... 2. B. a lunar eclipse can only occur when there is a full ...
an object is falling freely from rest of height of 65m above the ground what is the height of the object from the ground in meter when it reaches velocity of 20m/s?
a helicopter is flying at an altitude of 1000 m above the ground, with a horizontal velocity of 50 m/s, how far from the rally point should the relief package be dropped?
20mL ethanol(density=o.789g/mol) is dissolved in sufficient water to produce a 200mL solution. the density of the solution is 0.982g/mL. what is the molarity?
What the next number should be? 6 18 20 10 30 32 16
Proper use of apostrophe in sentence: Oklahoma's dust storms in the 1930's blew away tons of soil. Correct?
The weight of a body varies inversely as the square of its distance from the center of the earth. If the radius of the earth is 4000 mi, how much would a 200 lb man weigh 1000 mi above the surface of the earth?
If you run 1 mile on Monday and then double everyday how many miles will you run by friday?
Joe picked leaves, he has 3 kinds. He has 2 times as many elm leaves as maple leaves, and 5 times as many oak leaves as maple. He has 32 leaves. How many of each kind does Joe have?
4 isnt B, and 5 isnt C. I am in connnections too, add me on snap mali.101 or instagram @z.a.l.e.a.h . I want to meet my fellow classmates lol
pls integrate and differentiate e^x^2 and x/y square root of x^2+y^2 in terms of x.
Place the following call numbers in the proper order based on the Dewey Classification A. 530 C68s 1985 B. 530.1 A12f 1976 C. 530.028 M52c D. 530 A82u 1988 E. 530.0274 C52e
Sam is 180cm tall. He stands 60 cm in front of a tall plane mirror.How tall is Sam's image
Toluene, C6H5CH3, is a liquid similar to benzene, C6H6. It is the starting material for other substances, including trinitrotoluene (TNT). the molality of toluene in a solution that contains 26.2 g of toluene and 132 g of benzene. Calculate the molar fraction of toluene and ...
Toluene, C6H5CH3, is a liquid similar to benzene, C6H6. It is the starting material for other substances, including trinitrotoluene (TNT). Find the molality of toluene in a solution that contains 26.2 g of toluene and 132 g of benzene.
An aqueous solution is 0.257 m NaOH. What are the boiling point and freezing point of this solution?
Calculate the vapor pressure lowering of water when 5.67 g of glucose, C6H12O6, is dissolved in 25.2 g of water at 25 ºC. The vapor pressure of water at 25º C is 23.8 mmHg. What is the vapor pressure of the solution?
The distribution of scores on a test is mound-shaped and symmetric with a mean score of 78. If 68% of the scores fall between 72 and 84, which of the following is most likely to be the standard deviation of the distribution? 3, 1, 4, 6?
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.81 inch
. An automobile is selling a new model car with an advertised in‐city mileage of 27 MPG. As with most car models, there is no associated measure of variability (variance, SD, etc.) included with the advertised MPG. You write the manufacturer and request details on ...
Luckily I can ask for more help tomorrow...lol Is the formula different for "how would you make 40mL of 30%ETOH starting with 75% ETOH and water" different (because it's all liquid vs. solid and liquid?) txs
the question actually reads "how would you MAKE .25L of a 0025M solution of NaCL starting with solid NaCL and water? 2nd Q: ends with starting with 2.0M NaCL? Based on a lab that we haven't even had yet.....lost. txs
Convert .25 L of a .025 M solution of NaCL starting with solid NaCI and water
: If Bobby fives Jane three pens, they have the same number of pens. But if Jane gives Bobby three pens,he will have three times as many pens. How many pens does each student have?
To show your friends how strong you are, you start pushing a big container with mass 50 kg along a long, flat highway. While you are pushing the container in a horizontal direction with an average force 350 N, it moves with acceleration 1 m/s/s. After 5 seconds of pushing you...
find the sum of the square of -3 1 over 3 and the cube 3 over 2..