Questions Asked on
October 30, 2013

science
which type of eclipse would you expect to see if the moon passes directly between earth and the sun? a) a solar eclipse b) a lunar eclipse c) a total lunar eclipse d) a penumbra
asked by victoria 
science
which of the following statements best describes the biosphere? a) it is a mixture of gases that contain dust particles b)it contains earths metal core c) it contains all of earths water d) it it the part of earth that contains living organisms is it d ?
asked by victoria 
Statistics
The weights of the fish in a certain lake are normally distributed with a mean of 15lbs. and standard deviation of 6lbs. If a sample of 5 fish are taken from the lake, find the probability their means weights are between 12.6 lbs. and 18.6 lbs.
asked by Amy 
statistics
A survey for brand recognition is done and it is determined that 68% of consumers have heard of Dull Computer Company. If a survey of 800 randomly selected consumers is to be held would it be unusual for 554 of them to recognize Dull Computer Company?
asked by Amy 
Science
Why is it rare for the soft parts of an organism to become a fossil? A. the soft parts take a long time to decay. B. the soft parts can be eaten by other animals.* C. the soft parts cannot be buried in sediment. D. the soft parts form petrified fossils.
asked by Anonymous 
science
why does the sun appear to move westward across the sky during the day? a) because earth rotates to the east b) because earth rotates to the west c) because the sun moves in a westerly direction d) because of the way you are looking into the sky
asked by victoria 
science
which of the following statements best describes the biosphere? a) it is a mixture of gases that contain dust particles b)it contains earths metal core c) it contains all of earths water d) it it the part of earth that contains living organisms is it d ?
asked by victoria 
math
1. Jane has a checkbook balance of $68.00. She then writes two checks, one for $5.00 and one for $62.50. She also deposits $75.00. She then uses her calculator to determine her new balance. Which of the following is the correct series of keys she should
asked by ash 
Science Project Help?
I have this project: The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field will equal 46 million years, and each 10yard section will
asked by Anonymous 
Science
What percent of water is not easily accessible or usable on earth? *A. .6% B. 12.5% C. 50% D. 99% Subtract the answer from the last question from 100%. What does the remainder represent and what are the sources of this percentage of water? A. 97% rivers
asked by Cassie 
math help plzzzz!!!!
Multiple Choice 1. What is 0.32 written as a fraction in simplest form? (1 point) thirtytwo over one hundred eight over twentyfive one hundred over thirtytwo sixteen over twentyfive 2. If Fran’s fudge recipe calls for two and onehalf cups of sugar
asked by josh 
reading
nelson mandela speech glory and hope what are some similes, personification allusion, anaphora, pathos,ethos,logical appeals, metaphors,hyperbole,call to action,counter argument,rebuttal,etc
asked by Reina B. 
BioChem
In yeast, ethanol is produced from glucose under anaerobic conditions. What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions? A cellfree yeast extract is placed in a solution that
asked by B 
science
How does gravity affect the moon? a) it pulls the moon toward earth b) it pushes the moon away from earth c) t allows the moon to move in a straight line d) it keeps the moon from colliding with the sun
asked by victoria 
physics
A pressurized tank of water has a 10cm diameter orifice at the bottom, where water discharges to the atmosphere. the water level is 3 m above the outlet. the tank air pressure above the water level is 300 kpa (absolute)while the atmospheric pressure is 100
asked by khabat 
physics
A locomotive that has a mass of 6.4 x 105 kg is used to pull 2 railway cars. Railway car 1 has a mass of 5.0 x 105 kg, is attached to railway car to that has a mass of 3.6 x 105 kg by a locking mechanism. A railway engineer tests the mechanism and
asked by Anthony 
Biochem
In yeast, ethanol is produced from glucose under anaerobic conditions. What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions? A cellfree yeast extract is placed in a solution that
asked by B 
Statistics/Math
1. A magazine is considering the launch of an online edition. The magazine plans to go ahead only if it's convinced that more than 25% of the current readers would subscribe. The magazine contacted a simple random sample of 500 current subscribers and
asked by Michael 
intro to computers
what overriding philosophy of the windows 8operating system makes it unique compared to earlier Microsoft operating systems? a.it is a universal operating system for all types of devices? b.it can host both 32and 64 bit applications c.up to 192 users can
asked by mary 
Trigonometry  Checking my work
Find the sum of the three smallest positive values of theta such that 4 cos^2(2thetapi) =3. (Give your answer in radians.) Hi guys, I've been struggling with this problem. Here's my thinking about the problem: we can rewrite the equation as
asked by Sam 
science
in which of the following phases of the moon are you able to see the most surface area? a) new moon b) waxing crescent c) waxing gibbous d) waning crescent
asked by victoria 
math
1. A skateboard ramp has a 158º entry angle. Find the measure of ∠1. A.) 22º B.) 68º C.) 78º D.) 58º 2. Which of the following equations parallel to the line passing through A(2, 7);B(2, 2)? A.) y = 2 B.) y = x C.) 3x = 5 D.) 2x = 7y 3. Which
asked by kaitlyn 
Science
What percentage of the total land area is available for mans use, living and agriculture/farming? A. 9.38% *B. 3.13% *C. 12.51% D. 75% I'm not sure if it is B or C. Thank You.
asked by Cassie 
Science
What process involves the comparison of rock layers with others in a sequence to determine its age? radioactive decay radiometric dating relative dating absolute dating To determine the most accurate and precise age of Earth's oldest rocks, geologists
asked by Abby 
statistics
The serum cholesterol levels for men in in one age group are normally distributed with mean of 178.1 and standard deviation of 40.8. All units are in mg/100ml. Find two levels that cut off the top 10% and the bottom 10 % from the distribution of x.
asked by Amy 
Chemistry
Could you please explain how electronegativity works and how you find the total electronegativity value of PO3 K2O H2S GIVEN: P 2.1, O3.5, K 0.8, H 2.1, and S 2.5 Also how to you tell if the compound is ionic, polar covalent, or non polar covalent?
asked by Zoe 
Science
Fill in the blank The gravitational force between two objects is proportional to the ______ of the masses of the objects.
asked by Angie 
science
during which phase is the least percentage of the light that hits the moon visible from earth? a) new moon b) waxing gibbous c) waning crescent d) full moon
asked by victoria 
Physics
1) what does the y intercept on a force vs acceleration graph represent? 2)what is the relationship of mass and acceleration?
asked by Aly 
Science
Posted by Cassie on Wednesday, October 30, 2013 at 3:39pm. What percentage of the total land area is available for mans use, living and agriculture/farming? A. 9.38% *B. 3.13% *C. 12.51% D. 75% I'm not sure if it is B or C. Thank You.
asked by Cassie 
Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 1. Jova walks quickly for 25 minutes then she rests for 5 minutes before continuing on for another 10 minutes. (NOT A LINEAR FUNCTION)
asked by Leah 
Geometry
If the measure of ABC = 180o, and the length of AD and DC are equal, which is the measure of ACD?
asked by Anonymous 
Chemistry
For the following reaction, identify the substance oxidized, reduced and the oxidizing and reducing agents. 2SO2 + O2 > 2SO3
asked by Adam 
Math
An article in the local paper states that 30% of the students at Oak Grove Middle School earned a place on the Silver Honor Roll. If there are 920 students at Oak Grove, how many are on the Silver Honor Roll? USE A PERCENT RULER TO HELP YOU DECIDE. SHOW
asked by Robert 
Math
If 15 counters are the whole set how many are 3/5 of the set?
asked by Keyerra 
Statistics
HIM department at Community Hospital will experience a 15 percent increase in the number of discharges coded per day as the result of opening a cardiac clinic in the facility. The 15 percent incrase is projected to be 100 additional records per day. The
asked by Anonymous 
math
The path of a cannonball is a parabola modeled by the equation y= 55 + x  0.002x^2, where x and y are both measured in feet. In this model, the cannonball starts at the point (0,55) and travels to the right. The ground is represented by the xaxis.
asked by Lily 
intro to computers
which of the selections below is not a benefit of imaging the computers on your network. a. it saves time of having to install the required computer applications. b.it saves the time of having to install the desired operating system c.there are fewer
asked by mary 
math
As dry air moves upward it expands and in doing so cools at a rate of 1 degrees Celsius for each 100 m rise up to about 12 km If the ground temperature is 20 degrees Celsius find an expression for the temperature T as a function of the height H the answer
asked by jordan 
Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 1. Jova walks quickly for 25 minutes then she rests for 5 minutes before continuing on for another 10 minutes. (NOT A LINEAR FUNCTION)
asked by Emily 
Statistics
The coding department of a large physician clinic is interested in purchasing a software program that will edit claims before they are sent out to billing. The license fee for the software costs $34,000 per year. The software is expected to reduce the
asked by Anonymous 
Physics
a 15kg box is resting on a hill forming an angle with the horizontal. The coefficient of static friction for the box on the surface is 0.45. calculate the maximum angle of the incline just before the box starts to move
asked by Physics 
intro to computers
which of the statements below is false? a.you can install a 64bit operating system on a 64 bit machine. b. you can install a 64bit operating system on a 32bit machine. c.you can install a 32bit operating system on a 64bit machine. d.you can install a
asked by mary 
Physics
6) The relationship between force and acceleration is given by Newton’s 2nd Law: Fnet = ma. In this case this becomes: !@#$%^&p – Ff = ma.
asked by Al 
biology
If a person with Down syndrome marries a person without Down syndrome, is it possible for their child not to have Down syndrome? I assume that there is a 50% chance that they could have a child that will not have down syndrome. Is this correct?
asked by vanessa 
intro to computers
your boss is considering a BYOB program for your company. he asks you if there are any negatives to such a program. what do you tell him? a.it limits the freedom of the user to access the websites and applications.b.it introduces security and control
asked by mary 
Science
How do I prepare for a Field Study? I really need to know.
asked by Tylei 
Statistics
The coding department of a large physician clinic is interested in purchasing a software program that will edit claims before they are sent out to billing. The license fee for the software costs $34,000 per year. The software is expected to reduce the
asked by Mike 
books (Henry VIII)
I know I have posted this question before put under the wrong context I accidentally wrote Hamlet instead of Henry VIII. That's because I was working on both pieces of work. My answers have changed and want to know if they are correct. Please check over my
asked by Suzanne 
Physics
How does torque equal to ? " A potter's wheel, a thick stone disk of radius 0.50 m and mass 100 kg, is freely rotating at 50 rev/min. The potter can stop the wheel in 6.0 s by pressing a wet rag against the rim and exerting a radially inward force of 70 N.
asked by Ánfer 
Statistics
According to internal testing done by the GetAGrip tire company, the lifetime of tires sold on new cars is normally distributed with a mean of 23,000 miles, with a standard deviation of 2500 miles. If the claim by GetAGrip is true, what is the mean of
asked by Brianna 
Calculus
A spotlight on the ground is shining on a wall 12m away. If a woman 2m tall walks from the spotlight toward the building at a speed of 0.6m/s, how fast is the length of her shadow on the building decreasing when she is 2m from the building?
asked by Kate 
Math
Adult tickets cost $6 and children’s tickets cost $4. Mrs. LeCompte says that she paid $30 for tickets, for both adults and children. How many of each ticket did she buy?
asked by Hero 
chemistry
For the following reaction, identify the substances oxidized, reduced and the oxidizing and reducing agents? 2SO2 + O2 > 2SO3
asked by mandy 
Math
Complete to express each ratio in simplest form. 18 feet : 5 yards=
asked by Charity 
MATH
FAYE BOUGHT 3 PIZZAS FOR LUNCH. EACH PIZZA HAS 10 SLICES IN IT. IF 90% OF THE LUNCH WAS EATEN, HOW MANY SLICES WERE LEFT
asked by MITCHELL 
chemistry
It is observed that when solid copper is added to a solution containing gold ions, the copper dissolves and the gold precipitates. Similarly, almost every other metal will displace gold from solutions of gold salts. a. Do these results mean that the gold
asked by Anonymous 
chemistry
For the following reaction, identify the substances oxidized, reduced and the oxidizing and reducing agents? 2SO2 + O2 > 2SO3
asked by mandy 
Chemistry
1 Which of these processes will lower the glass transition temperature of a glass? Increase the cooling rate Decrease the cooling rate Increase amount of network modifier Decrease amount of network modifier Quench the glass to cool the surfaces quickly
asked by youlifex 
Calculus
s=çdx/(4+5cos x). By using tsubstitution, i.e. t=tan(x/2) we get cos x=(1t^2)/(1+t^2) and dx=2dt/(1+t^2). Substituting in s and simplifying, we get s= 2çdt/4(1+t^2)+5(1t^2)=2çdt/(9t^2). Using standard result çdx/(a^2x^2)=1/a*arctanh (x/a)
asked by MS 
Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 1. Jova walks quickly for 25 minutes then she rests for 5 minutes before continuing on for another 10 minutes. (NOT A LINEAR FUNCTION)
asked by Leah 
Math
2. Javar is building a model of the Titanic. He found a kit that is very detailed and built to scale. The scale is 1 inch equals 49 feet. If the complete model is 18 inches long how long was the original ship? A. 2.7 feet B.588 feet C. 73 1/2 feet D.882
asked by Jerald 
Math Explanation
Marcy wants to put tiles on a bathroom floor that measures 10 ft x 12 ft. What kind of square tiles should she buy to tile her floor? Explain.
asked by Hero 
math
if all sides of a cube are reduced by 1/2, how does it affect volume? a. decreases 200% b. decreases 400% c. decreases 800% d. decreases 600% answer b
asked by cici 
grade 11 biology
Consider a germ cell of a person with Down syndrome(Trisomy 21). Explain what is happening with the arrangement of chromosome 21 inside the cell during interphase 1, Anaphase 1, Telophase 1, telophase 11. Please help, I am really stuck on this. Thank you
asked by vanessa 
school
Two disks are spinning freely about axes that run through their respective centres (see figure below). The larger disk (R1 = 1.42 m) has a moment of inertia of 1180 kg · m2 and an angular speed of 4.0 rad/s. The smaller disk (R2 = 0.60 m) has a moment of
asked by Aaron 
trigonometry
VERIFY:(1sinx)/(1+sinx)= sec^2x2secxtanx+sec^2x1
asked by louie 
science
 major tenet of janaist faith, it is the avoidance of violent actions
asked by keisha 
chemistry
N2 + 2 O2 > 2 NO2. Suppose 31.25 g of N and 44.0 g of oxygen react. A. Calculate the mass of Nitrogen dioxide formed. B. Which reactant is the limiting reactant? C. Calculate the mass of the excess reactant left after the reaction. D. Find the % yield
asked by Stacy 
language arts
What genres of literature did Edgar Allan Poe write?
asked by Anonymous 
Fianace
A 10year bond has a coupon rate of 7% anually and a principal payment of $1,000.00. Other similar bonds are paying 9% annually. To determine the value of this bond you must find the interest factors, IF. at: A. 9% for 10 periods B. 9% for 20 periods C.
asked by Michelle 
Chemistry
A ground state hydrogen atom absorbs a photon of light having a wavelength of 94.96 nm. It then gives off a photon having a wavelength of 95 nm. What is the final state of the hydrogen atom? I think I got 5 for an answer, but I am not sure if I did this
asked by Ashley 
Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 6.The price for x pounds of cheese at $6.99 per pound (LINEAR FUNCTION) 7. A car accelerating on the highway to reach a speed of 62 mph
asked by Leah 
physics
The propeller blades of an airplane are 2.7 m long. The plane is getting ready for takeoff, and the propeller starts turning from rest at a constant angular acceleration. The propeller blades go through two revolutions between the fifth and the ninth
asked by Aaron 
Chemistry
Could you please explain how electronegativity works and how you find the total electronegativity value of PO3 K2O H2S GIVEN: P 2.1, O3.5, K 0.8, H 2.1, and S 2.5 Also how to you tell if the compound is ionic, polar covalent, or non polar covalent?
asked by Zoe 
CalculusApplied Optimization Problem:
Find the point on the line 6x + 3y3 =0 which is closest to the point (3,1). Note: Your answer should be a point in the xyplane, and as such will be of the form (xcoordinate,ycoordinate)
asked by Sara 
Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 6.The price for x pounds of cheese at $6.99 per pound (LINEAR FUNCTION) 7. A car accelerating on the highway to reach a speed of 62 mph
asked by Emily 
chemistry
N2 + 2O2 >2 NO2 Suppose 31.25 g of N and 44.0 G of O react A. Calculate the mass of Nitrogen Dioxide formed. B. Which reactant is the limiting reactant? C. Calculate the mass of the excess reactant left after the reaction. D. Find the % yield if 52.3 g
asked by Andrew 
Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 6.The price for x pounds of cheese at $6.99 per pound (LINEAR FUNCTION) 7. A car accelerating on the highway to reach a speed of 62 mph
asked by Leah 
Finance
If you believe that a firm will grow rapidly in the future, you should buy its A. Common stock B. Notes C. Preferred Stock D. Bonds
asked by Dahlia 
math
is 3/8 more,less than or equal to 40%
asked by hannah 
english
why is kpop so popular, especially the kpop band SHINee?
asked by SHINee 
Statistics
Consider the following table for a singlefactor ANOVA. Level of Factor Replicates 1 2 3 1 1 2 5 2 2 4 7 3 2 4 7 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.
asked by Mike 
Coding
Cpt Code for leftsided heart catheterization selective coronary angiography and left ventriculography?
asked by Anonymous 
Chemistry
For the equation give the formula equation, ionic equation, and the net ionic equation after predicting the products and balancing. Using the solubility rules to indicate solid or aqueous each formula. AgNO3 + NaCl
asked by Cindy 
math
tom bought a computer for 15% off from the list price of p dollars. if the sales tax was 8%, how much did he pay for the computer including sales tax?
asked by yusuf 
chemistry
Balance equation and type of reaction thx! 1. Al(HSO3)3 + O2 > 2. Ag + Cu(NO3)2 > 3. N2O4 >
asked by cindy 
writting
what is an empirically based journal articles
asked by patiance 
math
Mrs P made punch and wanted to serve it in cone shaped cups. When she poured the drink into the cup she poured it to the top and still had some remaining in the bowl. Mrs P knew that she made 355ml of punch. The height of the cone shaped cup was 12cm and
asked by B8 
math
The height of a ball above the ground t seconds after it is thrown is h(t)= 20 + 32t  16t^2. How long will it take for the ball to hit the ground? (Round your answer to the nearest hundredth of a second.)
asked by Clary 
chemistry
Your xray lab has a monochromator consisting of a single crystal of nickel cut so that the plane lies in the cube face. At what angle (in degrees) should the cube face be tilted with respect to the incident beam in order to select radiation with a
asked by Pete 
Finance
To measure an investment risk, you may use all of the following except: A. Time value of money B. range of returns c. standard deviation of returns d. subjective measures of risk
asked by Dahlia 
Math
At a fair milk sales total 20,000 gallons. If the fair runs for 10 days what would be the average number of gallons sold each day? Then how many 8 ounce cups per day would that be? Lastly, if 1 cup of milk costs $1.25 about how much money per day is made
asked by Anonymous 
Chem
A ground state hydrogen atom absorbs a photon of light having a wavelength of 94.96 nm. It then gives off a photon having a wavelength of 95 nm. What is the final state of the hydrogen atom?
asked by Ashley 
Science
List: Three characteristics of friction force and surface type. Three characteristics of friction force and mass. Three characteristics of friction force and surface area.
asked by Marisol 
English
Indicate if written in First Person or Third Person 1. I watched Jason as he took his time putting on the roller skates. why had he told LeTenna he could really skate? I noticed that she had not been that impressed. Why did Jason always have to make up
asked by cici 
Math
Which tiles can be used to cover a 12 by 12 floor? 9 by 9? Suppose you have 2 by 2, 3 by 3, 4 by 4, and 5x by 5 ft tiles.
asked by Anonymous 
science please help
Sources and uses for the following: Radio waves Microwaves Infrared Waves Visible Light Waves Ultraviolet Waves XRays Gamma rays
asked by Unknown 
Algebra 1
Can Someone Check My Answer The table shows the amount of money (in dollars) spent by a household on plants and flowers for certain years. Describe the rates of change in the number of dollars spent during the time period. Year 2001 2002 2003 2004 2005
asked by Mary 
history
I'm having a debate about gay marriage. & I'm arguing that people should have the right to marry who they please because church & state are separate & the constitution grants people rights, including marriage rights. If my opponent says then if everyone
asked by sarah 
Chemistry
How can you tell that CO2 has a dipole moment while O2, N2, and HCL does not?
asked by Zoe 
Statistics
A bank is testing a new method for getting delinquent customers to pay their pastdue credit card bills. The standard way was to send a letter (costing about $0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new
asked by Penny 
statistics
there are 35 members in a sports club. If an election is to be held to pick 4 officers; president, vice president, treasurer, and secretary, how many different lists of officers could result?
asked by Amy 
Math
Please help explain how to get answer! 8.6*14.65.3/[(19.4)8.6]/(2.9)*6.3(9.5)
asked by Cherie 
Chemistry
Hydrogen, H2(g), is below silver metal in the activity series of the metals. Will the following reaction occur or not occur: Ag(s) + H+(aq) ??? Explain why or why not.
asked by Anonymous 
ALGEBRA 2 help please would appreciate
for the equation 4x8y^2=0,give the focus and directrix.then sketch the graph, showing both the focus and the directrix. please show all the step thank you.
asked by lisa 
Algebra 2
Evaluate the determinant of each matrix. 1 2 3 3 1 0 1 2 1
asked by Anonymous 
Algebra 1 Question
How do I graph x + y = 0?
asked by Anonymous 
Math
What size rectangular floor can be completely covered by using only 3x3 or 5x5 ft tiles? You can't cut tiles or combine the two tile sizes.
asked by Hero 
statistics
if n=30 and p=.23 what is P(20,x,23)= and P(x.23)=
asked by Amy 
algebra
How do i solve an equation when there is a variable on both side of = and the two constants are equal x16 = 162x 72x = 2x7 The answer in both cases seems to = 0
asked by Bob 
Math
I am a number between 300600. When you add my digits together, I am greater than 11 but less than 16. what number (s) am I?
asked by Tara 
3 Inequality questions, (Algebra 1)
1) 2/5x9
asked by Gabby 
alGEBRA 2 help please would appreciate
for the equation 4x8y^2=0,give the focus and directrix.then sketch the graph, showing both the focus and the directrix. please show all the step thank you.
asked by lisa 
Statistics
Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4, with n = 23
asked by Mike 
Algebra 1 Question (Kuai)
How do I graph y = 2x squared 7?
asked by Anonymous 
informal logic
Which of the following may not qualify as a falsifiable claim? (Points : 1) Your luck will improve. Your house will be sold tomorrow. Granite is more dense than sand. Smoking may cause heart disease.
asked by john 
math
To solve 3/4 divided by 2/5, Elisha writes, 3/4 divided by 2/5 is the same as 15/20 divided by 8/20. So the answer to 3/4 divided by 2/5 is the same as 15 divided by 8. 1. Is Elisha's first claim, that 3/4 divided by 2/5 is the same as 15/20 divided by
asked by anonymous 
math
a bicycle has a diameter of 30m. it rotates 4 revolution per a second. what is the period?
asked by sarrah 
help...
Identify the facilities and amenities of disney cruise lines.
asked by Jason 
Accounting  please check my answers
Dogwood florist opened a business January 1st 2010. During 2010, they had the following transactions and economic events. For each of the transactions and economic events prepare the adjusting entries and show the related transaction entries at the date
asked by Jess 
math
To solve 3/4 divided by 2/5, Elisha writes, 3/4 divided by 2/5 is the same as 15/20 divided by 8/20. So the answer to 3/4 divided by 2/5 is the same as 15 divided by 8. Is Elisha's first claim, that 3/4 divided by 2/5 is the same as 15/20 divided by 8/20,
asked by anonymous 
Biology 20
I'm using chromatography to identify compounds in a leaf extract for a lab, and one of the evaluation questions is 'Suggest a step that could be added to the procedure to isolate a specific compound for chemical testing.' What step could I use?
asked by Erika 
maths
how to o the factorization method for the equation 2xspuare+x+1=0
asked by jafar sadiq 
math
Solve 7/8 x = 42
asked by Zoel 
Chemistry
Which of these processes will lower the glass transition temperature of a glass? *Increase the cooling rate *Decrease the cooling rate *Increase amount of network modifier *Decrease amount of network modifier *Quench the glass to cool the surfaces quickly
asked by youlifex 
Algebra
How do I solve for the roots of this quadratic equation: 3x^27x =3 2
asked by Karli 
biology
what is one example of a specific case used by scientists for organ cloning?? (therapeutic cloning)
asked by jason 
Math
(1/2)+3/5 /[9/10(3/5)]= I got 1.5 is this correct? If not could you please show me how to do this? If Steve answers thank you so much for all your help you are awesome:))
asked by Cherie 
sciece
what is mass wasting?
asked by mikel 
stats
The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. Do these data provide evidence to reject the null hypothesis that ƒÏ = 0 in favor of ƒÏ ‚ 0 at
asked by sarah 
distance
What is the distance between poles 1020 if it is 300' between 15?
asked by twm 
Algerbra
Divide (x^613x^3+42)/(x^37) Please show me how to work the problem
asked by Vanessa 
Math urgent
One more than 3 times a number is the same as 5 times the number, decreased by 15. Find the number. • Assign the variable • Write an equation • Solve equation
asked by Sarah 
English
What does it mean to take something "to heart?"
asked by Anonymous 
Language arts
How did the events in Edgar Allan Poe's life affect his writing?
asked by Anonymous 
Math
1. Corina and Drew want to determine the height of a signpost that is next to their house. However, the signpost is too tall to measure. They decide to use their shadows and compare them to the shadow of the signpost. At 4:00 Pm, Corina measures Drew's
asked by Jerald 
books Hamlet
I need to identity three siutaions that Hamlet, Laertes and Fortinbras all share. I have one situation that they all share which is where all of their fathers are dead. I need two more, but I don't see any in the book. if anyone knows any helpful sites or
asked by Danny 
English
Indicate if the excerpts are written in First Person or Third Person: 1. I watched Jason as he took his time putting on the roller skates. why had he told LeTenna he could really skate? I noticed that she had not been that impressed. Why did Jason always
asked by cici 
math
Solve the equation. 5 1 4 2 3 5 X= 5 7 2 6 2 5 The numbers are supposed to be matrices. I'm not sure how I would solve the problem
asked by Anonymous 
PHYSICS
A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 eV electron moving along the negative x axis is
asked by help!! 
English
Place sentences in time order: 1. Immediately he rushed past the dogs and stormed into the cabin 2. Then, as Noni came close to the cabin he panicked 3. At last, he rushed out the front door with them, flinging them into the snow. 4. After a while, Noni
asked by cici 
Math/Infinity
Split the natural numbers into three sets A, B, and C so that the sets have nothing in common, they each are countably infinite, and A U B U C = the set of natural numbers. So here's what I got A: 2,4,6,8,10... B:1,3,5,7,9... C: ? I don't know what to do
asked by Jessica 
calculus
i need help with proving five steps of l hospitals rule for (ex^21)/x
asked by carolyn 
geometry
a point (3,2) lies on a circle whose equation is (x+3)squared +(y+1)squared=rsquared what is the radius of the circle plz put steps
asked by jim 
Science 😆
I need help finding a weather report that references a current .
asked by Anabelle 
Economics
The purpose of advertising & other forms of nonprice competition by a firm is to shift the Demand curve to the A)Right B)Left & A)Make it more elastic B)Make it more inelastic What is the reason behind the answer?
asked by Morgan 
Science
Find a weather repot that references a current
asked by Anabelle 
Math
1. Corina and Drew want to determine the height of a signpost that is next to their house. However, the signpost is too tall to measure. They decide to use their shadows and compare them to the shadow of the signpost. At 4:00 Pm, Corina measures Drew's
asked by Jerald 
physices
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?
asked by mj 
Math
Which tiles can be used to cover a 12 by 12 floor? A.2 by 2 B.3 by 3 C.4 by 4 D.5 by 5 Which tiles can be used to cover a 9 by 9 floor? A.2 by 2 B.3 by 3 C.4 by 4 D.5 by 5
asked by Anonymous 
math
what is the unit of 120mi using 3gal
asked by Anonymous 
Animal Farm (civics)
True o False Both times that the windmill was destroyed was actually because of an earthquake. i known 1 time was caused by an earthquake by i forgot the other time
asked by Anonymous 
Precalc Solve logarithmic
ln sqrt(x8)= 5 I would like help to solve this what i did was to take away the square root i squared both sides coming up with (ln sqrt(x8))^2= (5)^2 ln(x8)=25 am i alowed to do this with ln in the equation? then i subtract 8 from both sides ln x = 17
asked by Marcos 
Math Reasoning
the sum of 2 odd number is 42 they are both prime numbers and the difference of the two numbers is 16 what are the 2 numbers? A. 20 and 22 B. 17 and 25 C. 9 and 33 D. 13 and 29
asked by Anonymous 
English
Place sentences in time order: 1. Immediately he rushed past the dogs and stormed into the cabin 2. Then, as Noni came close to the cabin he panicked 3. At last, he rushed out the front door with them, flinging them into the snow. 4. After a while, Noni
asked by cici 
Calculusconcavity and graphing
(2x+1)/(8x+1) f is increasing for x: f is decreasing for x: find local max/min:
asked by Sara 
algebra solving log equations
n sqrt(x8)= 5 I would like help to solve this what i did was to take away the square root i squared both sides coming up with (ln sqrt(x8))^2= (5)^2 ln(x8)=25 am i alowed to do this with ln in the equation? then i subtract 8 from both sides ln x = 17
asked by Marcos 
statistics
Are these using nCr? If not what formula do I use? P(20,x,23)= P(x.23)=
asked by Amy 
URGENTeconomics
How do you find the equilibrium price & level of output give Demand Data: P & Quantity Demanded Cost Data: Output & Total cost
asked by Jame 
Statistics
Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR
asked by Motu 
Math
What information do you need to see if triangles are similar? Same lengths What other information what you need
asked by Jerald 
Math
How do I work out:if life expectancy of male is 78.9 and female is 83.6. Life expectancy is % lower than female. What is formula please
asked by Liz 
Statistics pvalue
Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls
asked by Motu 
History
Which group creates the largest land empire in the 12th and 13th century? Chinese Mongols Muslims Russians I say, Muslims. Is this correct??
asked by JJ 
math
how do I do this problem 3x3=x4
asked by Imari 
Math
1c. At 11:00 AM Corina's shadow is 40 inches long. How long is Drew's shadow? HOw long is the signpost's shadow? Explain. Drew's shadow is 17 inches?
asked by Jerald 
ms. sue
ms. sue how do i start a thesis statement for participant observation i need to define it?
asked by Mohammad 
algebra
The sample size needed to estimate the difference between two population proportions to within a margin of error E with a confidence level of 1 alpha can be found by using the equation shown below. Replace n1 and n2 by n and solve for n. E= z alpha/2
asked by Mario 
computers
so sorry:( it was suppose to be BYOD not BYOB....bring your own device.
asked by mary 
Algebra
how would you solve these two equations. ln x + ln(x+1)=1 ln(x+5) = ln(x1)  ln(x+1)
asked by Kyle 
Algebra 1 Question
How do I graph y = 2x squared 7?
asked by Anonymous 
Derivative
I need to find the derivative of (x) / (x^2 +1) I got x^2 + 1(1)  x(2x) all divided by (x^2 +1)^2. Now I just need to simplify it and I think I'm complicating things for myself. The final function I ended up with the first time around was (2x^2) / (x^2+
asked by Anonymous 
statistics
they gave me n=30 and p=.23 to get the answers for P(20,x,23)= and P(x.23)= Im just having a hard time with all of this
asked by Amy 
physics
Imagine a frictionless perfectly straight tunnel which runs from Boston (USA) to Delhi (India). We release (at zero speed) an object in the tunnel in Boston. Assume that the Earth is a perfect sphere with radius 6.4*10^3 km, with a mass of 6.0*10^24 kg and
asked by ASD 
chemistry
calculate the molar mass of a liquid if .955grams of its vapors occupy 2.50Liters at 200 Celsius and 45 torr
asked by Sara 
geometry
a point (3,2) lies on a circle whose equation is (x+3)squared +(y+1)squared=rsquared what is the radius of the circle plz put steps
asked by jim