Questions Asked on
November 12, 2013

science
ok this is juist the first question.... 1)When evolution was first proposed, which of the following was used as evidence to support the idea? A)observations of nature B)laboratory experiments C)extensive fossil collections D)genetic sequences plzz help!!!!
asked by science TEST!!!(25 questions) 
Chemistry
The Ksp of CaSO4 is 4.93× 10–5. Calculate the solubility (in g/L) of CaSO4(s) in 0.300 M Na2SO4(aq) at 25 °C
asked by Katherine 
Math
3. What is 0.72 written as a simplified fraction? (1 point) seventytwo over one hundred one hundred over seventytwo thirtysix over fifty eighteen over twentyfive 4. Ms. Johnson’s class is having a pizza party. If there are 14 students and 7 pizzas
asked by anonymous 
Chemistry
Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag2CrO4 is 1.12× 10–12. What is the solubility (in mol/L) of silver chromate in 1.4 M potassium chromate aqueous solution? In 1.4 M silver nitrate aqueous solution? In pure water?
asked by Katherine 
math
At the half time show, a marching band marched in formation. The lead drummer started at a point with coordinates (2,5) and moved 3 steps up and 1 step right. a: write a rule to describe a translation b: what were the coordinates of the drummers final
asked by victoria 
English II
Read the following poem and answer the question that follows. "I Like to See it Lap the Miles" by Emily Dickinson I like to see it lap the miles, And lick the valleys up, And stop to feed itself at tanks; And then, prodigious, step Around a pile of
asked by Laura 
Spanish
Can someone review my answers please 1. Alfredo dice que el viejo auto de Marisol todavía__ (ser/estar) seguro. Marisol piensa que quiere un auto nuevo pero no___ (ser/estar) segura. 2. Marta _____ (ser/estar) aburrida de pasar seis horas en la
asked by Ashley 
Chemistry
Define minimum assay
asked by Baffour Adofo Prince 
7th grade accelerated math / pre algebra
write two equivalent expressions for the area of the figure the figure is a triangle inside the triangle it says x + 4 and the #16 is written along the length of one side of the triangle. The answer is 8(x +4) and 8x + 32 but I don't know how they got it
asked by Ardine 
mathematics
The members of a high school basketball team are driving from calgary to vancouver,which is a distance of 675km.Each tire of their van has a radius of 32cm.If the team members drive at constant speed and cover the distance in 6h 45 min,what is the angular
asked by rahul 
life management skills
10. Using the information above, write your mission statement. It can take many forms: a song, picture (explain the picture), theme, or collage. Make it uniquely you. A mission statement should be short enough to commit to memory but contain those points
asked by anonymous 
Math
Jenna says that no row or column contains product with only odd numbers.do you agree? Explain.
asked by Pietro 
Statistics
The monthly incomes from a random sample of workers in a factory are shown below. Monthly Income (In $1,000) 4.0 5.0 7.0 4.0 6.0 6.0 7.0 9.0 a. Compute the standard error of the mean (in dollars). b. Compute the margin of error (in dollars) at 95%
asked by Katie 
Beginner Spanish Check my answers please
Select the correct forms of ser or estar to complete the sentences. 1. Aquí __ las fotos de mis vacaciones en España. Mira, __ muy bonitas. están, son estoy, somos son, están soy, está 2. Aquí __ con mi familia en la playa cerca de Barcelona. Esta
asked by Tina 
Math
Two railroad tracks cross each other. If the measure of angle 1 is 3 times the measure of angle 2. What are the measures of angles 1,2,3, and 4? Explain and show your work please.
asked by Nicole 
math
1. The world population in 1992 is 5.42 billion. If its population doubled every a. 41 years, what would its population be in 41 years? b. 41 years, what would its population be in 82 years? c. 82 years, what would its population be in 164 years?
asked by sasha 
MATH
FreddieMac reports that the average rate on a 30year fixed rate mortgage is 3.92% as of January 2012. This is down from 4.76% in January 2011 and 5.03% in January 2010. If you have a $225,000, 5%, 30year mortgage, how much interest will you save if you
asked by WONDA 
Science help!!!
Describe the evidence that supported the hypothesis of Continental Drift.
asked by Emma 
Trigonometry  Proofs
Prove that the average of the numbers n sin (n degrees) (n = 2, 4, 6, ... 180) is cot (1 degree) Hint: Express everything in terms of sin and cos. Can you rearrange the result into a form that allows you to use some of the identities you've learned? How to
asked by Sam 
History!
Can someone Please help me!? 1. What resulted from Parliament’s lack of understanding of the needs of the colonists? (1 point) a study to prioritize the needs in the colonies sending more British representatives to America the beginnings of
asked by Britney 
phyics
A 0.20kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. The simple harmonic motion that occurs has a maximum speed of 1.1 m/s. Determine the amplitude A of the motion.
asked by Joey 
math
Sheila is going to divide a 36inch piece of ribbon into 5 equal pieces.She says each piece will be 7 inches long.whats the error?
asked by bob 
Advanced MicroEconomics
Construct a shortrun supply function for a firm whose shortrun cost function is C= = 0.04q^3 – 0.8q^2 +10q+5 3. The long run cost function for each firm is C = q^3 – 4q^2 + 8q. Find the industry’s long run supply curve. If the market demand curve
asked by Joy 
math 540
suppose it takes a college student an average of 5 minutes to find a parking space on the schools parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the
asked by renee 
physics
a 36 kg child slides down a slide at a height of 2.5 m at at velocity of 3 m/s. how much energy was transferred by friction as she slid down the slide?
asked by amber 
phyics
An object in simple harmonic motion has an amplitude of 0.202 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion
asked by Joey 
phyics
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 5.0 x107 m and a maximum speed of 3.3 x103 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b)
asked by Joey 
Statistics
You are given the following information obtained from a random sample of 6 observations. Assume the population has a normal distribution. 13 14 17 14 17 15 a. What is the point estimate of µ? b. Construct an 80% confidence interval for µ. c. Construct a
asked by Katie 
chemistry
What is the final volume of NaOH solution prepared from 250.0mL of 0.800M NaOH if you wanted the final concentration to be 0.200M
asked by jerome 
Math
Carl shades a row in the multiplication table.the product in the row are all even.the ones digits in the products repeat 0,4,8,2,6.what row does Carl shade?
asked by Pietro 
math
The area covered by water lilies in a pond you own doubles in size every day. If allowed to grow the plants would cover the entire pond surface in 30 days. You had decided to do nothing until the pond is ½ covered. a. On what day will the pond be ½
asked by sasha 
MATH
Explain how you would calculate the ecological footprint of the state that you live in if you knew the average ecological footprint of a resident in your state? IDK??
asked by vickie 
chem
A cars gas tank holds 15.2 gallons of gasoline (density = 0.66 g/ml). How many pounds of gasoline are present in a full tank?
asked by hannah 
motion problem
A man rowed 30km downstream. it took him 2hrs more time in going back than in going downstream. if the current is 2kph, what is his speed in still water? (with solution pls... tnx)
asked by MNHS MNHS 
algebra
There are twodigit perfect squares whose square roots are the same as their units digits. What is the sum of these squares?
asked by Jackie 
Phyics
One of the concrete pillars that supports a house is 1.9 m tall and has a radius of 0.55 m. The density of concrete is about 2.2 x 103 kg/m3. Find the weight of this pillar in pounds (1 N = 0.2248 lb).
asked by Justin 
physics
An archer standing a horizontal distance d=50m away from a tree sees an apple hanging from the tree at h=12m above the ground. The archer chooses an arrow and prepares to shoot. The arrow is initially 1.5m above the ground. Just as the archer shoots the
asked by Cristina 
phyics
A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.60 x 105 Pa. Assuming that the top and bottom surfaces of the cap each have an area of 3.60 x 104 m2, obtain the magnitude of the force
asked by John 
phyics
A simple pendulum is made from a 0.781mlong string and a small ball attached to its free end. The ball is pulled to one side through a small angle and then released from rest. After the ball is released, how much time elapses before it attains its
asked by MATT 
Physics please HELP
A meteor is approaching. Assume that the meteor started very far away from the earth and just grazes the earth. You may ignore all other forces except gravitational force between earth and meteor. Assume that mass of the meteor is much smaller than mass of
asked by Ramana 
phyics
An object on a vertical spring oscillates up and down in simple harmonic motion with an angular frequency of 25.1 rad/s. Calculate the distance d by which the spring stretches from its unstrained length when the object is allowed to hang stationary from
asked by Joey 
physics1111
Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her hands back and forth for a total of 14 rubs a distance of 7.50 cm each and with a frictional force averaging 30.0 N, what is the temperature increase? The
asked by danny 
Physics
laf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York; there is negligible friction between his feet and the ice. A friend throws Olaf a ball of mass 0.400kg that is traveling horizontally at 11.5m/s . Olaf's
asked by Ann 
chemistry
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form simple cubic lattices. The bond strengths of the CiCi and SdSd bonds are known, but not the CiSd bond. Bond Bond Energy
asked by Harold 
phyics
An object on a vertical spring oscillates up and down in simple harmonic motion with an angular frequency of 25.1 rad/s. Calculate the distance d by which the spring stretches from its unstrained length when the object is allowed to hang stationary from
asked by Joey 
Physical Science
17. Why can't carbon14 be used to determine the age of fossils that are several hundred thousand years old? Please and thank you!
asked by CJ 
phyics
A 1390N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960N crate hangs from the far end of the beam. Using the data shown in the figure, find (a) the magnitude of the tension in the wire and the
asked by LLYOD BLUE 
Math
You & a friend are at Paul & Elizabeth's Restaurant for a night of fine dining. You can choose among 2 appetizers, 4main dishes, & 3 desserts. Appetizer: soup or salad Main Dish: fish, chicken, beef, vegetarian Dessert: chocolate cake, apple pie, ice cream
asked by Mary 
math
Scott had an average of 83 on his first three exams. He later scored an average of 92 on the next six exams. What is his average for all nine exams. Round to the nearest tenth if necessary.
asked by lynda 
AP Stats
Viruses are infectious agents that often cause diseases in plants. Different viruses have different potency levels, and this fact can be used to detect whether a new virus is infecting plants in the field. In a potency comparison experiment, two viruses
asked by Sarah 
Math... PLEASE HELP!!
If one angle in a pair of vertical angles measures 42 degrees and the other measures 2n4 degrees, which is the value of n? I got 23 degrees but I am not sure if it is correct. Please help me...
asked by Nicole 
College Level Calculus
Each orange tree grown in California produces 720 oranges per year if not more than 20 trees are planted per acre. For each additional tree planted per acre, the yield per tree decreases by 15 oranges. How many trees per acre should be planted to obtain
asked by Timofey 
CHEMISTRY
When 50.0 cm3 of 0.100 mol dm3 AgNO3 is mixed with 50.0 cm3 of 0.0500 dm3 HCl in a polystyrene cup, the temperature increases from 20.00°C to 20.35°C. Assume that the specific heat capacity of the solution is the same as that of water, and that the
asked by Anonymous 
PreAlg
write a translation rule that maps point d(7 3) onto point d'(2 5)
asked by Algebraic 
geometry
Given the equation of the circle (x – 9)2 + y2 = 484 , where is the center of the circle located at?
asked by jose 
Algebra
Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 5; zeros: 9, 3+5i, 9i
asked by Stone 
Precalculus 12
P(t)=t^420t^320t^2+1500t+15000 when P is 24000 find t
asked by kk 
math
2. A bacteria population grows exponentially with growth rate k=2.5 how long it would take for the bacteria population to double its size?
asked by hannah 
English 2
Is this correct? To Whom It May Concern, In regards to the Memorial Day fiasco aboard you cruise ship, Star Princess. We would like to offer our sincere apology for our part in the mishap. While we do not plan on taking legal action against you or the
asked by Abbi 
chemistry
Draw the compound that would produce 4ethyl3hexanol in the presence of a nickel catalyst and hydrogen.
asked by mona 
math
2. A country has a doubling time for its people of 20 years. If it ends up with 80 million people after 60 years, how many people did it have to start with (in this questions)?
asked by Anonymous 
chemistry
a student was asked to prepare 100.0 mL of 0.0200 M solution of HCL from 0.400 M solution of HCL. in order to do this he measured 5.0 mL of 0.400 M HCL with a graduated cylinder, transfered this amount to a 100 mL beaker, added 95 mL of deionized water
asked by morgan 
Algebra
1. At the grocery store checkout, you watch at the register as it rings up your purchases and coupons. The prices were as follows: $2.95 $1.19 $4.61 $1.74 $3.04 $8.83 $1.16 – $0.75 (coupon) – $1.00 (coupon) The register gives your total bill as $21.77.
asked by Anonymous 
Algebra
2. The following formula relates three quantities: Force (F), mass (m), and acceleration (a). F = ma a. Solve this equation for a. b. If the force is F = –25 units and the mass is m = 10 units, find the acceleration, a. c. If the force is F = 25 units
asked by Anonymous 
phyics
Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 175 N/m. The motion of the object on spring 1 has twice the amplitude as the motion of the object on spring 2.
asked by MATT 
college physics
A weightlifter has a basal metabolic rate of 92.4 W. As he is working out, his metabolic rate increases by about 650 W. (a) How many hours does it take him to work off a 450 Calorie bagel if he stays in bed all day? (b) How long does it take him if he's
asked by Anonymous 
algebra
Which type of correlation would you expect to see between the distance traveled and the time it takes to travel that distance? A. positive correlation B. negative correlation C. no correlation idk why this question is confusing me, but it is
asked by hermes 
Chemistry
A saturated solution of calcium chromate (CaCrO4) freezes at 0.10 C. What is Ksp for CaCrO4? Assume complete dissociation. The density of the solution is 1.0 g/mL.
asked by Olivia 
physics
when 1240 J of heat are added to one mole of an ideal monatomic gas its temperature increases from 273K to 277K. Find the work done by the gas during the process.
asked by tired 
statistics
The average gasoline price of one of the major oil companies has been $3.20 per gallon. Because of cost reduction measures, it is believed that there has been a significant reduction in the average price. In order to test this belief, we randomly selected
asked by Alex 
US History
What does this excerpt from Common Sense by William Paine mean: But there is another and greater distinction for which no truly natural or religious reason can be assigned, and that is, the distinction of men into KINGS and SUBJECTS. Male and female are
asked by Anna 
calculus
you stand on the shore of a circular lake and you wish to reach the exact opposite your current position. you can swim 20 feet per minute and run 50 feet per minute. what path should you take to reach your destination as quickly as possible?
asked by Anonymous 
Math
Marlon has 4 baseball cards, Jake has 4 baseball cards and Sam has 3 baseball cards. Can you write a multiplication sentence to find how many baseball cards they have altogether? Explain.
asked by Tammy 
physics
a bullet of mass 0.04kg moving with a speed of 90m/s enter a heavy wooden block is stopped after a distance of 60cm.What is the avg resistive force exertes by the block or the bullet
asked by ricong 
physics
A 72.5 kg skier is going straight down a 31.1o slope. Each ski has a contact area with the snow of 0.137 m2. Calculate the pressure that the snow exerts on each ski.
asked by becca 
math
Four children are sharing 10 brownies so that each one will get the same amount. How much can each child have?
asked by anonymous 
History
1. In 1916, Woodrow Wilson ordered General John J. Pershing to lead U.S. troops into Mexico to capture A. Francisco Madero. B. Victoriana Huerta. (C. Pancho Villa.) D. Porfirio Diaz. 2. The last of Wilson's Fourteen Points called for (A. the creation of a
asked by an 
algebra
Justin races his bicycle for 90M . A wheel of his bicycle turns 45 times as the bicycle travels this distance. What is the diameter of the wheel?
asked by Anonymous 
Math
A triangle lot is 170 ft on one side and has a property line of length of 800 ft. Find the area of the lot in acres
asked by Argosy 
Chermistry
Define the following terms 1 Maximum assay 2 Percentage assay
asked by Baffour Adofo Prince 
Chem
Please help I have no idea how to do this. There are three different dichloroethylenes (molecular formulaC2H2Cl2), which we can designate X, Y, and Z. Compound X has no dipole moment, but compound Z does. Compounds X and Z each combine with hydrogen to
asked by Erin 
phyics
The wheels, axle, and handles of a wheelbarrow weigh W = 53 N. The load chamber and its contents weigh WL = 547 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a
asked by LLYOD BLUE 
math
Lane French had a bad credit rating and went to a local cash center. He took out a $100 loan payable in two weeks at $115.
asked by june 
math
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 4.9 * 10^2 µm. Find this earthquake's magnitude.
asked by Anonymous 
physichelp 
one of the main battery of cannons protecting the entrance to San Francisco Bay were able t horizontally propel 7.3 kg cannon balls with an average speed of 26.2m/s. if the height of the cannon emplacement were 112m above San Francisco Bay, a. how far from
asked by Tram 
algerbra 2
There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday
asked by hannah 
algebra 2
In a shipment of alarm clocks, the probability that one alarm clock is defective is 0.04. Charlie selects three alarm clocks at random. If he puts each clock back with the rest of the shipment before selecting the next one, what is the probability that all
asked by hannah 
math
3/10 of the passengers in a bus were men. 2/7 of the remainder were women and the rest were children. I f there were 50 passengers in the bus, how many more children than women were there? 10 UNITS= 1 UNIT= 5 UNITS 2 UNITS= 3 UNITS 3 UNITS= THEREFOR,
asked by nicole 
Physics
In a 1dimensional problem, a single force acts on a 10 kg object and is given the equation F=ax+b where a=250 N/m, b=25 N, x is position of object. There is a force acting on the object while that object moves from x=0 to x=2 lasting 3 sec. 1) What is the
asked by Diana 
math
write to show how to make a ten then add
asked by ceanna 
phyics
A hand exerciser utilizes a coiled spring. A force of 86.9 N is required to compress the spring by 0.0231 m. Determine the force needed to compress the spring by 0.0432 m.
asked by Joey 
US History
What is Thomas Jefferson trying to say in this excerpt from the Declaration of Independence ? :The Right of the People to Control Their Government . . . We hold these truths to be selfevident, that all men are created equal, that they are endowed by their
asked by Anna 
physic
A 1000kg satellite travels with an orbital speed of 500 m/s around a planet at an orbital raduis of 8000 km. What is the mass of the planet
asked by Anonymous 
chemistry
At a certain Pressure and Temperature one liter of CO2 weigh's 1.95g. What is the mass of one liter of C4H10 at the same temperature and pressure
asked by Captain 
physics
when 1240 J of heat are added to one mole of an ideal monatomic gas its temperature increases from 273K to 277K. Find the work done by the gas during the process.
asked by tired 
physical/earth science
what important nonmetal is in brilliant yellow acrylic paint that contains titanium dioxide
asked by Brandon 
Finance
Which of the following statements is true regarding social security retirements benefits A. Not all occupations are covered B. It attempts to replace 42% of you average earnings. C. All of the aove
asked by Anthony 
Accounting
The comparative statements of Lucille Company are presented here. LUCILLE COMPANY Income Statements For the Years Ended December 31 First number are 2012 2012 then 2011 Net sales $1,890,540 $1,750,500 Cost of goods sold 1,058,540 1,006,000 Gross profit
asked by Kristina 
motion problem
Ric can row upstream against a current at 6kph in 10 hrs while it will take him only 4 hrs going back. how far does he go upstream? (w/ solution pls... tnx)
asked by MNHS MNHS 
physics
A parachutist jumps out of airplane with an initial speed of 2.0 m/s downwards. There is a force of air resistance equivalent to 305 N. Determine the parachutist’s mass if it takes a total of 3 seconds for him to travel 30 m downwards.
asked by hanzala 
prealg URGENT
triangle ABC has coordinates. A(1,4); B(3,2); and C(4,2). Find the coordinates of the image A'B'C after a reflection over the X axis. (Show your work)
asked by KurtCornell 
Physics
Massless ropes A, B, C are connected together as shown and support a mass of 100 kg. Rope A is horizontal and ties to the wall, rope b is tied to the ceiling and rope c is vertical. What are the tensions in the ropes.
asked by Robin 
Spanish Help
1. ¿Te divertiste anoche en el baile? Sí, pero ____ demasiada gente. Era imposible bailar bien. A. era B. habían C. había D. eran I said C 2. En una fiesta familiar, ¿quién es la primera persona que _____ y sale? Yo, porque siempre tengo que
asked by Eri Uchi 
math
you have a subscription to a music website that allows you to download 25 songs from the site each month. You are charged an additional fee after the first 25 songs are downloaded. After downloading 28 songs, you paid a total of $34.80. After downloading
asked by Taylor 
Earth and Environmental Science
How much does the amplitude of the waves increase between an earthquake that measures 4.2 on the Richter scale and an earth quake that measures 6.2 on the Richter scale?
asked by Emily 
Healthcare Statistic
Distribution by site, sex, race, and time period of all cancers in your healthcare facility.
asked by Anonymous 
English
1. What animal do you keep? 2. What pet animal do you have? 3. What pet do you keep? 4. Which pet do you have? 5. What pet do you have?  I have a pet turtle. (Which question is suitable for the answer?)
asked by rfvv 
5th grade math parent
Hi the problem reads.......give an example that shows how to use.the distributive property to multiply a number by a sum. All of the numbers you use should be mixed numbers or fractions.........PLEASE HELP!
asked by Sara 
math geometry
how can i prove in geometry proofs that something is a midpoint of a line? thanks
asked by Annie 
PHYICS
One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a
asked by LLYOD BLUE 
Algebra
use remainder theorem to find the remainder when f(x)) is divided by x+1 f(x)=x^4+8x^3+12x^2
asked by Stone 
math
1.The remains of an old campﬁre are unearthed and it is found that there is only 80% as much radioactive carbon14 in the charcoal samples from the campﬁre as there is in modern living trees. If the halflife of carbon 14 is 5730 years, how long ago
asked by hannah 
math
you have a subscription to a music website that allows you to download 25 songs from the site each month. You are charged an additional fee after the first 25 songs are downloaded. After downloading 28 songs, you paid a total of $34.80. After downloading
asked by Taylor 
Grammar
Is the sentence below grammatically correct? The more the area is painted, the less the amount of paint remains.
asked by Anonymous 
math
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by keri 
Accounting
The following stockholders' equity accounts arranged alphabetically are in the ledger of McGrath Corporation at December 31, 2011. Common Stock ($10 stated value) $1,500,000 Paidin Capital from Treasury Stock 6,000 Paidin Capital in Excess of Stated
asked by Shirley 
Advanced MicroEconomics
In a competitive market, there are two groups of firms. For every firm in group A, the longrun ATC curve is Ushaped and intersects the longrun MC curve when ATC = 20 and output is 4. There is an unlimited number of firms in group A. Every firm in group
asked by Joy 
Advanced MicroEconomics
In a competitive market, there are two groups of firms. For every firm in group A, the longrun ATC curve is Ushaped and intersects the longrun MC curve when ATC = 20 and output is 4. There is an unlimited number of firms in group A. Every firm in group
asked by Joy 
Math
One of two complementary angles has a measure that is five times that of the other. Which equation could be used to find x, the degree measure of the smaller angle? A) 5x=90 B) x+5x=90 C) 5x=180 D) x=5x=180 I chose A but I wasn't sure if I was correct.
asked by Nicole 
Physics
Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 24 kg object on the Earth? The acceleration of gravity is 10m/s2 .
asked by Breanna 
Principles of Finance
.A thirty year US treasury bond has a 4.0 percent interest rate.In contrast, a ten year Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be 0.2 percentage points for the longer maturity bond. Investors expect
asked by Sandy 
business
Imagine this team is in a room together brainstorming and working on a team project. Using your experience and what you've learned this week, suggest a design for a room that would facilitate team interaction. In the team discussion area, respond to the
asked by Alisha 
Physics
A coin rests 18.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.390. The turntable starts from rest at t = 0 and rotates with a constant angular acceleration of 0.850 rad/s2. (b) At what
asked by Bob 
biology
polar molecule are soluble in water. how does this activity demonstrate polarity of molecule that contain the OH group. our activity was to do an experiment mixing 2 diff liquids together to see if they dissolve and tell if its polar or nonpolar. 1. water
asked by Reina B. 
Math
A projectile is launched from a cannon that sits 4 feet off the ground at an initial velocity of 120 ft/sec. Find the position function and how long is it before the projectile hits the ground? I got 16t^2 +120t+4 for my position function, but I'm not
asked by Kristen 
Math
Describe in words, a situation involving this equation that could be represented 4t+8=3(3.5t). t= miles Mark and Sandy wanted to have a race. Mark has an 8 mile head start and goes 4 miles per hour. Sandy decides to go 3 times as fast and goes 3.5 miles
asked by Jerald 
Math
Probability There are two boxes...the first box has 3 black balls and 1 blue ball in it. The second box has 6 black balls and 2 in blue balls in it. a. Which of the following two boxes would you choose if you were picking 1 ball and wanted black? Justify
asked by Anonymous 
English
What is the predicate word in this sentence Peanut butter is rich in protein? Rich or protein?
asked by Kelley 
phyics
A 11.7kg uniform board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 230 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained
asked by MATT 
physics Important please
A potential difference of 12.0V is maintained across an electrical device with a resistance of 10.0Ω. What total charge passes through a cross section of wire attached to this device over a period of 4.00s?
asked by manu 
Psychology
9 Dr. Kyle shared the newspaper clipping with the class. â€œThis is an unusual case, but I believe that punishment phase of the trail would have been different in another state. The crime was committed, but the defendant is not in touch with reality
asked by Steven 
chemistry
Is CO2 a product of an acid/base reaction?
asked by paige 
Algebra
Find the coordinates of the quadrilateral abcd after a dilation with a scale factor of 2. a(2,0), B(2,2), C(5,2), D(5,0)
asked by Steve 
math
patrica is a business owner who is trying to determine her cost of goods sold for 2012. shoe bought 20 units of inventory at $11, then 26 units at $9 and finally 18 units at $14. she sold 30 units in 2012 and uses the fifo for her inventory valuation. what
asked by keri 
KINEMATICS (PHY)
A turntable is a uniform disc of mass m and radius R. The turntable is initially spinning clockwise when looked down on from above at a constant frequency f0. The motor is turned off at t=0 and the turntable slows to a stop in time t with constant angular
asked by rickross 
physics
a bullet of mass 0.04kg moving with a speed of 90m/s enter a heavy wooden block is stopped after a distance of 60cm.What is the avg resistive force exertes by the block or the bullet
asked by ricong 
math
How do I find the derivative of ⌠lnx ⌡π cos(e^(t))dt The question above is asking for the derivative of the integral cos(e^(t)) from pi to lnx
asked by Jen 
Algebra
Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree: 4; zeros: 1, 2, and 12i
asked by Stone 
Chemistry
Measuring the conductivity of an aqueous solution in which 0.0200 mol CH3COOH has been dissolved in 1.00 L of solution shows that 2.96 % of acetic acid molecules have ionized to CH3COO ions and H3O+ ions. Calculate the equilibrium constant for ionization
asked by Vanessa 
math
simplify (x^23x+6)(36x^218x+6/6) (x^23x+6)(6(6x^23x+1/6) cancel the two 6's in the second part of equation x^23x6x^2+3x1 5x^21 Is This correct? Thanks
asked by Elle 
math
A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What is the probability that the first student takes a cheese sandwich and the next student takes a turkey
asked by hannah 
math
3. The halflife of a certain drug in the human body is 8 hours how long it would take for a dose of this drug to decay to 0.1% of its initial level?
asked by hannah 
chemistry
a 60.0 g sample of chromium at 82.0 degrees celsius was place in 80.0 g of water. Assume there is no loss of heat to the environment. What is the final temperature of the water and chromium? The initial water temperature was 24.0 degrees celsius
asked by Anonymous 
math
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by keri 
Math
Mark and Sandy are participating in a BikeaThon for charity. Mark oversleeps, so Sandy gets a one hour head start and bikes at a speed of 12 miles per hour. To catch up to Sandy, Mark decides that he needs to bike at a speed of 15 miles per hour. 3.An
asked by Jerald 
everest
What number is 45% of 680
asked by rachael 
Algebra
Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree: 4; zeros: 1, 2, and 12i
asked by Stone 
Physics Important please
A yoyo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yoyo has a radius R1 , the two outer disks have radii R2 . A string is wrapped around the inner part. Someone pulls on the
asked by rosa 
math
acacia company had inventory of 100,000 on December 31, 2012. other information is as follows: purchases $1,500,000 sales 3,000,000 inventory 1/1/2012 what is the amount of acacia cost of goods sold for 2012?
asked by keri 
English
1. Your body temperature is a little higher than usual. 2. Your body temperature is a little higher than your temperature is usual. (Does #1 mean #2? Is #2 the full form of #1?) 3. He is as tall as I. 4. He is as tall as me. (Are both OK? Which one is
asked by rfvv 
algebra
A Realtor has 6% commission, he sells a home for $70,000, how much is the commission?
asked by Tamaki 
4th grade math
Joshua has 3 quarters. alex has 10 more than 2 times as many quarters as joshua. write an expression for how many quarters alex has?
asked by mythreyee 
4th grade math
max has 5 more than twice as many cookies as chris. write an expression that shows the number of cookies max has if chris has C cookies.
asked by mythreyee 
physics
A 62kg woman is standing on a scale while riding in an elevator? As the elevator continues to move up, it has a constant velocity . what is the reading on the scale.?
asked by Anonymous 
4th grade math
Analee earjs $45 for every 5 hours of work. how much money can she earn for H hours of work
asked by mythreyee 
4th grade math
5 less than three times the number of chipmunks
asked by mythreyee 
Math
Dan went to the bookstore .he has spent $17.00 of his $20.00 already .he needs to buy a few disk.how many can he buy with his remaining money if each disk cost 90 cents ?
asked by Pietro 
math
Edgar used 10 x d to represent the number of pennies in d dollars? Is this reasonable?
asked by kerrie 
Physics Important please
A yoyo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yoyo has a radius R1 , the two outer disks have radii R2 . A string is wrapped around the inner part. Someone pulls on the
asked by rosa 
math
subtracting positive rational numbers 1 1/2  2
asked by tzivia 
math
Tristan buy b boxes of granola that cost $4 each. He also buy one box of crackers that cost 3/2. Write equivalent expression for the total amount Tristan spends
asked by Darla 
Partial Differential Equations
At the HeNe laser wavelength (L= 632.8 nm) the refractive indices of crystal quartz are n o = 1.54264 and n e = 1.55171 calculated from its Sellmeier equation. The laser is incident from the air onto the surface of crystal quartz at an angle of incidence
asked by Joy 
Fly Ball Lab  Projectile Motion Please HELP FAST!
In this lab, you will perform graphical and mathematical analysis on a tennis ball that is struck by a bat. The data required for this lab is the horizontal displacement of the ball from the location where it was hit to the point where it first strikes the
asked by Amanda 
Government
Question 5. 5. The Tenth Amendment balances out national authority by (Points : 1) stating that states have first priority in those areas specifically not given to Congress. asserting that states’ rights trump national authority. limiting state function
asked by Sharon 
Physics Important please
A yoyo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yoyo has a radius R1 , the two outer disks have radii R2 . A string is wrapped around the inner part. Someone pulls on the
asked by rosa 
algebra
What is the xintercept of the line represented by the following equation? 5x  37 = 2 A. (0, 2/3) B. (2/3, 0) C. (0, 2/5) D. (2/5, 0)
asked by glo 
physics Important please
A metal wire has a resistance of 8.00Ω at a temperature of 20C. If the same wire has a resistance of 8.40Ω at 70C, what is the resistance of this wire in ohms when its temperature is −10C?
asked by manu 
math help please
jasper owns a small retail store as a sole proprietor. the business records show that the cost of the stores inventory items has been steadily increasing. the cost of the end of the year inventory is 200,000 and the cost of the beginning of the year
asked by keri 
Algerbra
2(1.3x + 9)=2.4x + 22
asked by Jocelyn 
math
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by keri 
math
acacia company had inventory of 100,000 on December 31, 2012. other information is as follows: purchases $1,500,000 sales 3,000,000 inventory 1/1/2012 300,000 what is the amount of acacia cost of goods sold for 2012? do you add in the sales for the year?
asked by keri 
English
In the sentence They are not nuts. They is the subject Are is the verb What is the predicate word?
asked by Kelly 
Math
Write as an improper fraction. 1. 7 3/5 2. 12 1/2 3. 41 4/6
asked by Alan 
Math
Simplify each of the following. 1. 42/48 2. 15/35 3. 119/210
asked by Alan 
computer science
Does anyone know Access 2010 queries criteria? I have a specific question...
asked by Nicole 
SCIENCE
how can I transcibe this into mRNA? DNA T A C G A C T A A C G T C A G T A G
asked by Lily 
Math
Fill in the blank so that the numbers are evenly spaced. 101, _____, _____,1001
asked by Lori 
math
patrica is a business owner who is trying to determine her cost of goods sold for 2012. shoe bought 20 units of inventory at $11, then 26 units at $9 and finally 18 units at $14. she sold 30 units in 2012 and uses the fifo for her inventory valuation. what
asked by keri 
math
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by keri 
math
Janise is a sole proprietor owning a small specialty store. the business records show that the cost of the stores individual inventory items have been steadily increasing. the cost of the end of the year inventory is 125,000 and the cost of the beginning
asked by keri 
algebra
If a Realtor earns ^% commission for selling a $70,000 home, what is the amount of the commission?
asked by Jackie 
math
how to write 7/8 as a decimal
asked by brenda 
Physical education
we have a lithium atom (atomic mass m = 6 amu) connected to two very much more massive atoms, as illustrated in the drawing below. We can pretend that the massive atoms don¡¯t move. The spring constants k1 and k2 are 73 N/m and 27 N/m, respectively. What
asked by Anonymous 
algebra
If refreshments cost $45 for 18 people, at the same rate how much would refreshments cost for 26 people?
asked by Tamaki 
KINEMATICS (PHY)
A pulley of mass mp , radius R , and moment of inertia about the center of mass Ic=12mpR2 , is suspended from a ceiling. The pulley rotates about a frictionless axle. An inextensible string of negligible mass is wrapped around the pulley and it does not
asked by rickross 
Language arts help!!
1. What was Dove doing during the Boston Tea Party? (1 point) drinking tea selling tea stealing tea 2. Who were the minute men? (1 point) local men who wanted to fight against the British British soldiers who were trained to kill traitors the army for the
asked by josh 
Chemistry
What molecular formula can you deduce from a mass spectrometry of 156 m/z. And how do you get that formula? Steps on how to get the formula is much appreciated! Thanks!
asked by Fred 
GEOMETRY
The lengths of the sides of a quadrilateral are 2011 cm, 2012 cm, 2013 cm and x cm. If x is an integer, what is the largest possible value of x? Help is badly needed. my teacher frightens me huhu. please
asked by Barbie lee 
Math
There are 5 red ,3 green and 4 blue marbles in a bag.what would be the chance of getting a red marble if the marble was pulled out of the bag without looking?
asked by Pietro 
science
What is the height (in miles) for a ( television satellite to be placed above the equator of Earth to rotate at the same speed as Earth and be able to relay pictures that have been beamed to it back to another place?
asked by Lily 
Math
I am a two digit number less than 40. You say me when you count by fives .the Sumer of my digits is 7. What number am I?
asked by Pietro 
phyics
A block of mass m = 0.510 kg is fastened to an unstrained horizontal spring whose spring constant is k = 85.3 N/m. The block is given a displacement of +0.112 m, where the + sign indicates that the displacement is along the +x axis, and then released from
asked by MATT 
Algebra
analyze the graph f(x)=(x2)^3(x3)^2(x4) a)end behavior: find the power function that the graph of f resembles for large values of absolute value of x
asked by Stone 
math
subtracting negative rational numbers 0.25  (1.50)=
asked by tzivia 
Science
In DNA fingerprinting, the DNA probe that is used is ______to the DNA sequence of the repeats in the sample? im guessing amplify????
asked by vickie 
Physics
n,bhyguftchg vb
asked by Anna 
Math
Mark and Sandy are participating in a BikeaThon for charity. Mark oversleeps, so Sandy gets a one hour head start and bikes at a speed of 12 miles per hour. To catch up to Sandy, Mark decides that he needs to bike at a speed of 15 miles per hour. 1. Make
asked by Jerald 
math
jasper owns a small retail store as a sole proprietor. the business records show that the cost of the stores inventory items has been steadily increasing. the cost of the end of the year inventory is 200,000 and the cost of the beginning of the year
asked by keri 
Math
Write as a mixed number. 1. 13/11 2. 33/6
asked by Alan 
Math
Please help. I don't get this How to do it fast and easy? 2000(2000^2000)
asked by Anonymous 
Algebra
What is the equation of the line that is perpendicular to y = 7/9x + 15 and goes through the point (1, 2)? A. 9x + 7y = 5 B. 9x + 7y = 5 C. 9x + 7y = 23 D. 9x + 7y = 23 My work: y  2 = 7/9 (x + 1) y  2 = 7/9x + 7/9 2 + 7/9 = 2 7/9 y = 7/9x + 2 7/9 I'm
asked by Magnus 
proposition/ratio
8/3=36/d 4/n=15/10 15/4=9/2r 9/4n=1.5/7 n3/16=5/8 7/8=35/w1
asked by rian 
Algebra
Solve the inequality. f(x)> 0, where f(x) =x(x+1)(x1)(x3)
asked by Stone 
English
Use the following verbals according to the functions provided. 1. scanning as a predicative nominative 2. polluting as a participle 3. to exaggerate as an appositive 4. composing as an indirect object 5. to demonstrate as a predicative nominative
asked by McKenna Louise 
science
if there is 63 protons,89 neutronsand 60 electrons so what is his net charge
asked by mansi 
4th grade math
Emma seems M movies in 3 weeks. what is an expressions for the number of movies emma sees in 12 weeks.
asked by mythreyee 
Biology ! Please help!
Why do chromosomes form and what kind of proteins do they combine with?
asked by Iz 
Physics
A machine swings a mass of 1kg connected to a massless rope in a vertical circle so that the speed of them mass is constant at 8 m/s. The rope is 1.0 m long, and the center of the circle is fixed at all times. a) Find the acceleration of the mass with
asked by Robin 
math
In a random sample of 150 students, 60 ride the bus to school, 54 ride in carpools and 36 walk. It is predicted there will be 800 students in school next year. How many will need bus transportation?
asked by ava 
Health help
what is a good title for about inhalants that would make seventh graders want to listen to you?
asked by Anonymous 
englishproject
Hi!I am doing project, its about making the world a better place for humans. I have to join organizations online and subscribe t email lists to get action updatesissues like antiwar/peace, social justice and environments, animals, food water and
asked by jessica 
Health (Ms. Sue)
What are the physical and mental effects of alcoholism for the blood alcohol concentration of 0. 1?
asked by Anonymous 
Algebra
use factor theorem to determine whether x+2 is a factor of f(x). if it is, write f(x) in factored form. f(x)=9x^3+24x^2+19x+14; x+2
asked by Stone 
Partial Differential Equations
Problem 4.4 Suppose n o and n e are given. In (a) you only need to find the magnitude of the group velocity. Problem #2 in HW 10 may be helpful. You can also directly use the definition of group velocity, i.e., v g = triangle k w (k), taking into account
asked by Joy 
Biology
In DNA fingerprinting, the DNA probe that is used is ______to the DNA sequence of the repeats in the sample? im guessing amplify????
asked by vickie 
Math
This unfortunate event happened to me when my two children were little. Each of them had a friend over for lunch. After lunch, we had popsicles for dessert. There were 9 popsicles in the freezer & 3 flavors: 3 grape, 3 cherry, & 3 orange. What is the
asked by Anonymous 
canadian history
what was the way of life or lifestyle like for fur traders and settlers at red river? how is it different from our lifestyles today?
asked by teresa 
Math
Hannah plans on going hiking most of the day. It is recommended that she takes at least 3 liters of water with her. She packed 3 water bottles. The bottles she brought are cylinders with a radius of 3cm and a height of 30cm. What is the volume of one
asked by Elle 
PreCalculus
Can someone please help me with this problem? De Moivre’s theorem states, “If z = r(cos u + i sin u), then zn = rn(cos nu + i sin nu).” • Verify de Moivre’s theorem for n = 2. a. Provide a correct proof that includes written justification for
asked by Latrice 
PreCalculus
When you do implicit differentiation, how does D = √(x^2 + 8x + 12) turn into dD/dt = [(x + 4)(dx/dt)]/√(x^2 + 8x + 12)? please explain...I don't even understand where the (x+4) comes from. D means distance, but that's irrelevant
asked by Ann 
spelling words
Hello my name is Travon I need help on making my spelling words into two sendence liks See the green frog. He is sitting on the log
asked by Travon 
Biochemistry
Please help! i was wondering why a genome size determined in a lab would be smaller than that of the actual. thanks
asked by Anon 
Biology
Please help! i was wondering why a genome size determined in a lab would be smaller than that of the actual. thanks
asked by Anon 
Math
Terrence normally uses onefourth teaspoon of dried basil to make his own salad dressing. He decides to change the recipe and include extra dried basil. He decides that the flavor is perfect when including a total of fiveeighths teaspoon. Write an
asked by emily 
us history
I need a word that means.. a governments position on an issue
asked by caleb 
English
I have a doubt in this statement: We've been best friends for years and still we're going to be more than best friends 1)What is the simple predicate in this sentence?
asked by Anonymous