Tuesday
July 26, 2016

Posts by sharon

Total # Posts: 808

life sciences
Describe how the products of the light phase of photosynthesis are used to form a glucose molecule and how this molecule is then broken down in the cell of a plant to release energy
July 17, 2016

Algebra
General tickets sell for $6 and adult $9. Sell at least 300 student and at least 500 adult. Costs $1 to advertise for adult and $.50 to advertise student. Have at most $400 for advertising. What is most profit that can be made? algebra inequalities
May 29, 2016

science
What is the pathaway and processes of ingestion involved when a person has eaten a buttered polony sandwish?
May 10, 2016

life orientation
Housing
April 26, 2016

Life orientation
Identity 4 hu rights violation and give two examples of such violation
April 17, 2016

Chemistry
How many grams of NO2 are needed to form 100.0g of HNO3?
April 14, 2016

Chemistry
How many moles of O2 must react with 0.550 mole ofMethanol?
April 14, 2016

Chemistry
How many grams of carbon dioxide ctsare produced when 78.0 grams of Methanol rea
April 14, 2016

Rebus
Hot BB water
March 31, 2016

math
which is the least? 3/7, 2/5, 1/2, 1/3 I have no idea!
February 18, 2016

Biology
bond that holds atoms together in a molecule are... A.radiation energy B. kinetic energy C. thermal energy D. potential energy
February 18, 2016

Biology
which nucleic acid statement is true? A. mRNA codes for DNA B. mRNA codes for protein C. tRNA makes amino acids D. tRNA makes lipids I think B
February 18, 2016

biology
Pepsin is... A. enzyme B. lipid C. carbohydrate D. nucleic acid I think A!
February 17, 2016

Biology
key factor driving cellular differentiation in the body? A. rate of transcription B. cell nutrience C. expression of genetic coding D. chemical gradients in a cell environment I think A
February 17, 2016

chemistry
chlorine atoms have larger radii than fluorine A. True B. false I am unsure Answer Th
February 17, 2016

Biology
DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea
February 17, 2016

Science
RNA is thought to have proceeded proteins and DNA, why? A. more types of RNA than DNA B. single stranded RNA is less complex than DNA Not sure if either are correct?
February 17, 2016

Science
Thanks!
February 17, 2016

Science
Sustained increase in the population that makes up all the trophic levels requires an increase in A. primary producers B. primary herbivores C. primary carnivores D. keystone predators
February 17, 2016

English
Thanks!
February 17, 2016

English
Wow, she did great today. Wow is what part of speech in the sentence? I think a preposition but not sure?
February 17, 2016

chemistry
What is the bond of a salt molecule? A. covalent B. hydrogen C. disulfide D. ionic I think A
February 17, 2016

Science
DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea
February 17, 2016

Science
chlorine atoms have larger radii than fluorine A. True B. false I am unsure
February 17, 2016

Science
Genetic Information is found where? A. nuclei B. ribosome I think A
February 17, 2016

Science
key factor driving cellular differentiation in the body? A. rate of transcription B. cell nutrience C. expression of genetic coding D. chemical gradients in a cell environment I think A
February 17, 2016

Science
Pepsin is... A. enzyme B. lipid C. carbohydrate D. nucleic acid I think A!
February 17, 2016

chemistry
S and O share chemical properties, but H2S is gas at room temp. and H2O is a liquid, why? A. H2O has stronger intermolecular bond B. H2S has a stronger intermolecular bond C. H2S has a stronger ionic bond D. H2O has a stronger ionic bond
February 17, 2016

Science
What cell stimulates immune cells to attack? A. Helper T cells B. Cytotoxic T cells
February 17, 2016

Science
Bond that holds atoms together in a molecule are? A. radiation energy B. kinetic energy C. thermal energy D. potential energy I think B
February 17, 2016

Science
What is the bond of a salt molecule? A. covalent B. hydrogen C. disulfide D. ionic I think A
February 17, 2016

Science
Lifelong protection after exposure such as the chicken pox is which type of immunity A. Active immunity B. innate immunity I think B
February 17, 2016

Science
function of smooth ER A. synthesis lipids B. form ribosomes C generate energy D phagocytose bacteria I think A
February 17, 2016

Science
Which example is an example of natural selection A.prairie dogs build an underground tunnel B. fish omit odor to avoid sea lions C. cats with better nutrition play more D. lizards absorb vitamin D to help digest food. I think B
February 17, 2016

Biology
Which nucleic acid statement is true A. mRNA codes for DNA B. mRNA codes for proteins C. tRNA makes amino acids D. tRNA makes lipids I think B
February 17, 2016

chemistry
The hands on a battery clock are which type of energy? A. chemical to kinetic B. potential to chemical C. kinetic to potential D. thermal to kinetic I think C
February 17, 2016

english
Jimmy you must leave the room shut the door and be quiet. Which of the following options correctly punctuates the sentence above? A Jimmy, you must leave the room, shut the door, and be quiet. B. Jimmy; you must leave the room, shut the door and be quiet. C. Jimmy you must ...
February 13, 2016

english
A?
February 13, 2016

english
Jimmy you must leave the room shut the door and be quiet. Which of the following options correctly punctuates the sentence above? A Jimmy, you must leave the room, shut the door, and be quiet. B. Jimmy; you must leave the room, shut the door and be quiet. C. Jimmy you must ...
February 13, 2016

english
Which of the following sentences is written correctly? A When properly designed, an automobile can achieve great fuel efficiency. B. When properly designed an automobile can achieve great fuel efficiency. C. When properly designed, great fuel efficiency can be achieved by an ...
February 13, 2016

english
Which of the following sentences is punctuated correctly? A. After you sign the agreement it is too late of course, to change your mind. B. After you sign the agreement, it is too late of course to change your mind. C. After you sign the agreement, it is too late, of course, ...
February 13, 2016

Physics
A pulley system has a velocity ratio of 4 and an efficiency of 80%.calculate the value of the effort required to raise the load of 480N
February 11, 2016

Math
finding the missing measurement: A rectangular prism has a volume of 195 cubic units. The length of the prism is 13 units and the width of the prism is 3 units, what is the height
February 8, 2016

mathematical Literacy, Economics and Business Stud
What career(s) can I pursue with these subjects? Please help. I am very lost.
February 6, 2016

Chemistry
Second one same way as first you will get C-1 H-2 Empirical formula is CH2 Empirical formula mass is 14u Molar mass is 42.08u Divide molar mass by empirical formula mass and you'll get n value. N=3 Multiply N to empirical formula to get molecular formula which is C3H6 (...
January 16, 2016

Chemistry
First one , 1- percentage of cerium (Z=58) 1.67/6.21 * 100% = 26.89% 2- percentage of iodine is 100- 26.89= 73.10% Divide each of the percentage by its mass then we get Cerium- 26.89/140=0.192 Iodine - 73.10/126.9=0.576 Out of those two numbers divide both by the lowest no. ...
January 16, 2016

science
so the answer would be A
November 29, 2015

science
Predict how the range of the projectile will change when you change the angle from 45∘, keeping the speed constant. Predict how the range of the projectile will change when you change the angle from , keeping the speed constant. A. It increases with either an increase or...
November 29, 2015

science
First, you will investigate purely vertical motion. The kinematics equation for vertical motion (ignoring air resistance) is given by y(t)=y0+v0t−(1/2)gt2, where y0=0 is the initial position (which is 1.2 m above the ground due to the wheels of the cannon), v0 is the ...
November 29, 2015

Statistics
Create a null hypothesis or the following research questions: (a) What are the differences between emergency room shifts on medication errors? (b) On a clinical trail of a new drug, what will be the effects over a currently used drug?
November 13, 2015

probability
These events are actually not independent. Instead they're also not mutually exclusive, but as I've thought for a while it is more likely to be a combination of two possible outcomes with nothing in common. Because, there is a condition stated at the first place.
October 25, 2015

probability
P(biased coin) = 1/2 = P(A) P(dice) = 1/16 = P(B) P(A U B) = 1/2 + 1/16 = 9/16 (work it out using the venn diagram is also possible)
October 25, 2015

Statistics
The same supervisor in the scenario above agreed to increase the salary of the employee to $15.00 per hour once she passed her RHIT exam. Three months after beginning her employment , the employee passed her RHI exam. What will the new budget be for salary and fringe benefits?
October 23, 2015

chemistry
The complete combustion of ethanol, C2H5OH (FW = 46.0 g/mol), proceeds as follows: C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l) ΔH = −555 kJ What is the enthalpy change for combustion of 15.0 g of ethanol
October 22, 2015

programing in basic
the computer will accept what statement, if four statements are entered with the same number?
October 13, 2015

Chemistry
glycine + valine-->glycine - valine+H2O What happens with this reaction and where does water molecule come from
October 11, 2015

Grammar English
How would you change this sentence- The infant was handed to the pediatrician, who then cried spontaneously.
October 4, 2015

ratios
emily recipe calls for 5 parts pineapple juice to 3 parts orange sherbert. james calls for 8parts pineapple to 6 parts orange sherbert.
October 1, 2015

chem
If 20g of CaCo3is treated with 20gm of HCl how many grams of CO2 can be generated CaCO3+2HCl gives CaCl+H2O+CO2
September 29, 2015

chem
CaCo3 reacts with aq HCl to give CaCl2+CO2. What mass of CaCo3 is required to react completely with 50cm^3 of 0.60M HCl. Calculate volume of CO2 produced at STP.
September 29, 2015

chem
Calculate the mass of anhydrous sodium carbonate Na2Co3 required to prepare 2.5 litres of 0.50M aqueous solution.(Na=23,C=12,O=16)
September 29, 2015

phyics
Four cars undergo acceleration as described by the data in the following table. Car Initial Velocity (m/s) Final Velocity (m/s) Time period (s) A 2.0 11.0 3.0 B -5.0 3.0 2.0 C 1.0 -5.0 2.0 D 0.0 25.0 10.0 Rank the accelerations from most positive to most negative.
September 12, 2015

Life orientation
Assess the extent to which bad road use has a direct impact on physical,emotional,social ,economic aspect to family,community,country
August 27, 2015

pre-calculus
Thank you
June 20, 2015

pre-calculus
Steve, The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A. the horizontal asymptote B. the vertical asymptote C. describe their possible meaning ( I only need help with C). f(x)=x/x^2-100 Sharon
June 20, 2015

pre-calculus
The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A. the horizontal asymptote B. the vertical asymptote C. describe their possible meaning ( I only need help with C). f(x)=x/x^2-100
June 20, 2015

pre-calculus
The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A. the horizontal asymptote B. the vertical asymptote C. describe their possible meaning ( I only need help with C
June 20, 2015

calculus
The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A.the horizontal asymptote(s) B.the vertical asymptote(s) C. describe their possible meanings Horizontal asymptote is y=-100 vertical asymptotes are x=-10...
June 17, 2015

math
Given the points A(0,0), B(4,3), and C(2,9), what is the measure of ABC?
May 14, 2015

math
An architect designs a house that is 12m wide. The rafters holding up the roof are equal length and meet at an angle of 68 degrees. The rafters extend 0.6m beyond the supporting wall. How long are the rafters?
May 14, 2015

math
a cone has a height of 10 cm and a volume of 350 cm. what is the radius of the cone?
May 13, 2015

math
what is the total amount of edging that would be required to cover all edges of a rectangular prism measuring 10 cm by 30 cm by 15 cm?
May 7, 2015

MAth
Calculate the perimeter of a right triangle where the legs are 6 cm and 8 cm
May 7, 2015

math
the path of a cliff diver as he dives into a lake is given by the equation y=-(x-10)power of 2 + 75...where y meters is the divers height above the water and x metres is the horizontal distance travelled by the diver. what is the maximum height the diver is above the water?
May 3, 2015

Medical transcription editing
I think so. This is the real sentence I am having issues with: a dressing for the Steri-Strip, Xeroform gauze dressing sponges in film tape. I am not sure if Steri-Strip Xeroform guaze is all one thing or should be split with a comma after Steri-Strip? Also I have never heard ...
May 1, 2015

Medical transcription editing
This does not make sense, can you help. The wound was then closed using a 2-0 Vicryl in the subcutaneous tissue and 4-0 Vicryl in a running subcuticular stitch, further, (a dressing) for for the Steri-Strip, Xeroform gauze dressing sponges in film tape
May 1, 2015

Math
144
April 16, 2015

math
my answer is d
April 15, 2015

Math
Find the cost of shingles for the gable roof below if one bundle covers approximately 33 ft to the power of two and costs $29.95. Length on top is 12.7 meters and down is 7.5 meters. Thanks
April 13, 2015

Math
Suppose the speedometer of your car reads 90km/hr. If you are driving in the United States where the maximum speed is posted as 50 mi/hr by how much are you exceeding the speed limit.
April 13, 2015

Math
Determine the height of a tree when it makes a shadow on the ground of 5 ft . The shadow makes all ahole of 40 degrees from the ground to the top of the tree.
April 12, 2015

Math
Find the scale dimensions of a room that measures 10 ft by 8 ft using the scale 1 cm= 4 ft
April 12, 2015

Math
Sin(15)=2.3m/x X=2.3m x 5 in (15) Sin (15) is 0.258819045 X=2.3m *0.258819045 X=0.59528303 in The length is 0.6 m
April 11, 2015

chemistry
Suppose that 2.00mL of 0.02 mol/L aqueous sodium sulphide, Na2S is used to test a 60.0mL sample of water containing 0.0004 mol/L mecury (II) nitrate Hg(NO3)2, ions. a. Write the balanced equation Hg(NO3)2 + Na2S = HgS + 2NaNO3 b. Determine the limiting reactant Na2S = 2.00mL/...
April 8, 2015

Math
carla has several bags of candy that have different weights. Each x represents one bag. Carla wants the total weight of the bags to be four pounds. If she can only pick one more bag, which one should she pick
April 6, 2015

Chemistry
High concentration of iron (III) ions, Fe3+, cause hard water. Write a balanced equation to show how iron ions can be removed using sodium carbonate, NaCO3.
April 1, 2015

Math
A set of trading cards sells for $12.00. After sales tax, it costs $12.60. what is the sales tax rate? Do I divide to get this answer? Please help.
March 26, 2015

Mathematics
Molly shared her sweet into thirds. She ate 1/3 at school and 1/3"after.wht fraction did molly eat
March 23, 2015

chemistry
what volume of a 2.4 mol/L magnesium oxide solution contains 2.3 mol of magnesium oxide?
March 12, 2015

physics
a 6 0 kg piece of aluminum at 645 degrees to celsius is combine with 1.0 kg of ice at -15 degrees Celsius in a thermally isolated calorimeter of negligible heat capacity what is the equalilbrum temperature the mixture evenually reaches?. q1+q2+q3=0 QAl = .6kg* .9kj/kg-K * ...
March 9, 2015

chemistry
calculate the mass of barium hydroxide required to prepare 2.0L of a 0.500mol/L solution. I got 342.64 g.
March 8, 2015

Chemistry
What is the percentage yield for a reaction if you predicted the formation of 21 grams of C6H12 and actually recovered only 3.8 grams?
March 8, 2015

english
select the antecedent of the pronoun in the following sentence. The strikers will return to work when the union representatives have completed their negotiations. A. negotiation B. representatives C. work D. strikers
March 6, 2015

math
Solve this.. ◻ ➕ ◻ ➕ ◻=30 Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)
March 4, 2015

College Algebra
A basketball player scored 26 times during a game. He scored a total of 45 points, 2 for each field goal and 1 for each free throw. How many 2 point shots did he make and how many free throws?
January 26, 2015

psychology
In your opinion: Do you believe that environmental factors can affect how the person performs daily? If so, which one do you believe make the biggest impact in people’s lives?
January 21, 2015

Psychology
Do you believe that environmental factors can affect how the person performs daily? If so, which one do you believe make the biggest impact in people’s lives?
January 21, 2015

Psychology Statistics
Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which gender has two groups (male and female), marital status has three groups (married, single never married, divorced), and the means refer to happiness ...
January 20, 2015

Math, Quadratic Functions, Max/Min Word Problems
Two numbers have a sum of 72. What is their product if it is a maximum?
January 16, 2015

Math, Quadratic Functions
Eighty metres of fencing are available to enclose a rectangular play area. Determine the dimensions that will enclosed the maximum area. What is the maximum area?
January 16, 2015

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