Questions Asked on
October 21, 2014

science
1) a pea plant with yellow seeds is crossed with a pea plant with green seeds. all of the offsprings have yellow seeds. the allele for yellow sees is a. Dominate because all offspring have yellow seeds. b. Recessive because all of the offsprings have
asked by dani 
Science!
Which is most likely to be part of an ionic bond? A. An atom with no valence electrons B. An atom with one valence electron C. An atom with two valence electrons D. An atom with three valence electrons Is the answer B?
asked by blue 
Chemistry
3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) standard enthalpy: 133.5 Find the change in internal energy for this reaction. Enter in kJ.
asked by Rachel 
Double facts  2nd Grade
Choose all the double facts you can use to find the sum of 2+3? 1. 2+2 2. 5+5 3. 3+3 4. 1+1
asked by ASG 
Chemistry
The combustion of liquid ethanol (C2H5OH) produces carbon dioxide and water. After 4.60mL of ethanol (density=0.789g/ml) was allowed to burn in the presence of 15.45g of oxygen gas, 3.70mL of water (density=1.00g/ml) was collected. a)Determine the
asked by Tami 
Health JUST NEED ANSWERS CHECKED :)
1. The two healthrelated components of fitness are muscular strengthand muscular endurance. True False 2. Circuit resistance training utilizes only aerobic energy. True False 3. The training program for muscular endurance should not resemble the activity
asked by mstv 
Science!
To form an oxygen molecule (O little 2) two oxygen atoms share two pairs of electrons. What kind of bonds shown below by the electron dot diagram of O little 2? Choose all that apply. Diagram . . . . O = O . . . . A. Covalent bond B. Ionic bond C. Single
asked by blue 
math
What do you do to check whether a number is rational or irrational? In your explanation, use an example of an irrational and a rational number. Please help me I don't know what to do.
asked by blue 
Math
Stretch your thinking. Write a subtraction equation with a difference of 54.57 . Then draw a number line to show between which two whole numbers the difference lies.
asked by Anonymous 
please help! physics
A 1200 kg car is moving at 95 km/h when the driver notices a deer down the road. He immediately moves his foot toward the brake pedal, taking only 0.50 seconds before the car starts slowing down. The brakes cause a net force of 2400 N (backwards) on the
asked by Caroline 
Math HELP!
Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? A. Rosa: "Use square root 9 and square root 25 to estimate." B. Roberto: "I will use square root 4 and square root 9." C. Andrea: "It should be square
asked by Anonymous 
math
Stretch your thinking. Use decimals and fractions in the same equation showing the commutative property. Repeat for the associative property
asked by Anonymous 
physics
A stunt pilot is attempting to drop a water balloon from a moving airplane onto a target on the ground. The plane moves at a speed of 75.2 m/s and a 47° above the horizontal when the balloon is released. At the point of release, the plane is at an
asked by Dianna 
math
Labrina received a $50 gift card to an online store. she wants to purchase some bracelets that costs $8 each. There will be a $10 overnight shipping fee. how many bracelets can she buy? A 4 bracelets B 5 bracelets******* C 6 bracelets D 7 bracelets is the
asked by kathy 
college Genetics
In tomatoes, tall(D) is dominant over dwarf (d) and smooth fruit(P) is dominant over pubescent fruit (p), which is covered with fine hairs. A farmer has two tall and smooth tomato plants, which we will call plant A and plant B. The farmer crosses plants A
asked by hershi 
english
the speaker in birches compares the boy's climbing to
asked by jj 
math
labrina received a $50 gift card to an online store. she wants to purchase some bracelets that costs $8 each. there will be a $10 overnight shipping fee. how many bracelets can she buy? 4 bracelets 5 bracelets************ 6 bracelets 7 bracelets is that
asked by kathy 
Math HELP!
The formula v= square root 64h can be used to find the velocity, v, in feet per second, of an object that has fallen h feet. Find the velocity of an object that has fallen 75 feet. Round to the nearest tenth. A. 6.9 ft/s B. 69.2 ft/s C. 69.4 ft/s D. 69.3
asked by Anonymous 
World History (Ms. Sue)
"It is [the Africans] who carry the 'Black man's burden...' In hewing out for himself a fixed abode in Africa, the white man has massacred the African in heaps...What the partial occupation of his soil by the white man has failed do; ...what the [machine
asked by Victoria 
math Help ASAP
write and solve inequality 17. the speed limit of a highway is 55 miles per hour. a car is traveling at least 65 miles per hour. how many miles per hour m over the speed limit is the car traveling? A 55m>equal to 65;m. eqaul to 10 B m+65< equal to 55; m <
asked by kathy 
World History (I Changed My Answer)
2. Quotes lines in Rudyard Kipling's poem that reflects his view of colonized peoples. What values did Kipling assume his readers shared with him? A: The lines "newcaught sullen peoples" and "halfdevil and halfchild" reflect Rudyard Kipling's view of
asked by Victoria 
Physics
A force in the +xdirection with magnitude F(x)=18.0N−(0.530N/m)x is applied to a 8.70kg box that is sitting on the horizontal, frictionless surface of a frozen lake. F(x) is the only horizontal force on the box. If the box is initially at rest at x=0,
asked by Ale 
math
Given: 20,000 shares cumulative preferred stock ($2.25 dividend per share): 40,000 shares common stock. Dividends paid: 2013, $8,000; 2014, 0; and 2015, $160,000. How much will the preferred stockholders and the common stockholders receive each year?
asked by Gary 
Chemistry
Predict and draw the structure of the product of the reaction of the following substrates with the given reducing agent. 2hexanone mixed with hexanoic acid with (i) NaBH4 (ii) LiAlH4
asked by Anonymous 
physics... PLEASE HELP
An elephant can hear sound with a frequency of 15.0 Hz. What is the wavelength of this wave? The speed of sound in air is 343 m/s.
asked by Maranda 
algebra 1
Which expression represents 5 more than onethird y?
asked by jammy 
World History (Ms. Sue)
Explain why the British were interested in East Africa. What other countries claimed parts of East Africa? A: The British were interest in East Africa for strategic reasonsEast Africa lay between the two Britishcontrolled areas of South Africa and
asked by Victoria 
math
train A arrives at central station on the hour and every 12 minutes. train B arrives on the hour and every 15 minutes. when do both train arrives at the same time.
asked by Anonymous 
Math
Joy knits a square blanket that has an area of 1,500 square inches. What is the approximate length of each side of the blanket? A. 16 inches B. 27 inches C. 39 inches D. 42 inches Is the answer C? Thank you
asked by Anonymous 
Math
Marginal revenue the weekly revenue from the sale of emeralds at Eduardo’s Emerald Emporium (EEE) is decreasing at a rate of $500 per $1 increase in price and the price is decreasing at a rate of $0.45 per additional emerald sold. What is the marginal
asked by Jennifer 
stats
The probability that a football game will go into overtime is 18%. In 140 randomly selected football games, what is the mean and the standard deviation of the number that went into overtime?
asked by bob 
math
How does finding the square root [√] of a number compare to finding the cube root [little 3 on top √] of a number? Use the number 64 in your explanation. Please help me figure this out. I don't know what to do.
asked by blue 
Science!
Ernest Rutherford's atomic model included a nucleus comprised of positive particles called protons. Later, James Chadwick discovered neutrons. How did Chadwick's discovery change the atomic model? A. The new model showed a negatively charged nucleus. B.
asked by blue 
Algebra
Explain why you think a sign on a copy machine reading ".05 (cent sign) a copy" is put up by mistake?
asked by KG 
Chemistry
H2C2O4(aq) + 2 NaOH(aq) → Na2C2O4(aq) + 2 H2O(l) If I use 0.025 moles of NaOH to neutralize the Oxalic acid, how many moles of Oxalic acid are there?
asked by Donnie 
Chemistry
Use standard enthalpies of formation to determine ΔHorxn for: 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(l) Enter in kJ.
asked by jESS 
la
While Cyril is smacking the seat cushions, his aunt invites him to look out the window. What can you infer from these two details in "The StoryTeller"? The aunt is trying to distract Cyril and get him to behave. The aunt is punishing Cyril for his bad
asked by jared 
please help physics!!!!
Two dynamics carts are placed end to end. Cart 1 (1.2 kg) is stuck to cart 2 (1.8 kg). Cart 1 is pushed with a force of 18.9 N (west),causing cart 1 to push cart 2 forward. Ignore the force of friction. Calculate the acceleration of each cart Calculate the
asked by Carrie 
Chemistry
What is the pressure (in mmHg) of the gas inside the apparatus below if the atmospheric pressure is Patm=748 mmHg, h1=40 mmHg, and h2=67 mmHg?
asked by Alex 
guidance
Fouryearold Nathan refuses to put on his coat before going out to play on a chilly day. Using guidance techniques, you should say, A. "No coat, no play, period."B. "Put that coat on this instant."C. "You're putting that coat on, whether you like it or
asked by Amanda 
Chemistry
The structure of Crestor (rosuvastatin), a medication used to reduce cholesterol, is shown below. If the specific rotation for this compound is known to be +100, what would be the specific rotation for the stereoisomer shown at the right?
asked by Anonymous 
chemistry
How many moles of magnesium are needed to react with 16 g of O2? 2 MgO (s) + O2 (g) → 2 MgO (s)
asked by kirk 
science
Which one of the following games would most readily flow along the ground if accidentally released? 1.chlorine 2.ethyne 3.helium 4.hydrogen 5.nitrogen
asked by yoli 
Precalculus
Hey so I need help on a problem from an assignment that my teacher won't help at all. WRITE IN COMPLETE SENTENCES "An oil strikes a sand bar that rips a hole in the hull of the ship. Oil begins leaking out of a tanker with spilled oil forming an
asked by Kat_Lockwood 
World History (Ms. Sue)
How did the French system of colonial rule differ from that of Great Britain? A: The French system of colonial rule differed from that of Great Britain in several ways. In Great Britain, the colonial rule was indirect, keeping the old African elite in
asked by Victoria 
math
A wheel made 660 revolutions at 44 8/9 revolutions per minutes. how many minutes did it rotate
asked by ken 
Chemistry
An electrical heater is used to supply 200.0 J of energy to a 30.0 g sample of water, originally at 285.0 K. Determine the final temperature in degrees Kelvin. (the specific heat capacity for water is 75.291 Jmol1K1)
asked by Chad 
physics
Someone in a car going past you at the speed of 35 m/s drops a small rock from a height of 1.5 m. How far from the point of the drop will the rock hit the ground? The acceleration due to gravity is 9.8 m/s2. Answer in units of m.
asked by Melissa 
Physics
Two hockey players traveling at 12 m/s (Player #1) and 19 m/s (Player #2) hit in a headon collision. They grab onto each other to keep from falling and slide in the same direction Player #2 was traveling at a speed of 5 m/s. Player #1 has a mass of 100
asked by Hannah 
Chemistry
A buffer solution of volume 100.0 mL is 0.140 M Na2HPO4(aq) and 0.120 M KH2PO4(aq). What are the pH and the pH change resulting from the addition of 55.7 mL of 0.0100 M NaOH(aq) to the buffer solution?
asked by Jessica 
math
timmy had 1/2 of pizza left over.for lunch,he ate 1/3 of the leftover pizza.how much pizza is now left?
asked by Anonymous 
World History (Ms. Sue)
Why were many African intellectuals frustrated by colonial policy? A: Many African intellectuals were frustrated because they recognized the gap between theory and practice in colonial policy. Westerns had exalted democracy, equality, and politic freedom
asked by Victoria 
precalculus
After 3 hours the number of bacteria in a culture is observed to have doubled. Find the number of bacteria present after 8 hours.
asked by Bria 
guidance
In this study unit, discipline refers to behaviors that are A. selfregulated.B. harsh.C. expected.D. punitive. A.
asked by Amanda 
Math HELP!
Which statement is true? A. Every real number is an integer. B. Every rational number is a real number. C. Every rational number is a perfect square. D. Every integer is an irrational. Is the answer A?
asked by Anonymous 
Physics
A mass of 2.63 kg is attached to a string tied to a hook in the ceiling. The length of the string, L, is 0.8 m, and the mass is released from rest at an initial position in which the string makes an angle θ of 40.4o with the vertical. Calculate the work
asked by Anonymous 
chemistry
how many moles of oxygen gas are required to react with 4.0 moles of Mg? 2 Mg (s) + O2(g) → 2 MgO (s)
asked by Aya 
Calculus
Use linear approximation, i.e. the tangent line, to approximate \sqrt[3] { 7.9 } as follows: The equation of the tangent line to f(x) at x = 8 can be written in the form y = Using this, we find our approximation for \sqrt[3] {7.9} is
asked by Ashley 
Chemistry
What is the percentage of the S enantiomer in a sample of carvone that has a specific rotation of 30, given that the specific rotation of (R)carvone is 61? How do i set up the problem?
asked by Anonymous 
English
She couldn't concentrate on her study because it was too noisy. She asked Kathy not to make noise.  What does 'it' refer to in the first sentence?
asked by rfvv 
chemistry
Find the volume of 20.0g of benzene
asked by jalon 
Check Answers Please
1. The two healthrelated components of fitness are muscular strengthand muscular endurance. True False 2. Circuit resistance training utilizes only aerobic energy. True False 3. The training program for muscular endurance should not resemble the activity
asked by mstv 
statistics
A researcher is interested in determining whether acupuncture affects pain tolerance. An experiment is performed in which 15 students are randomly chosen from a large pool of university undergraduate volunteers. Each subject serves in two conditions. In
asked by Anonymous 
Chemistry
What mass of phosphoric acid will be produced from the reaction of 10.00g of P4O10 with 12g water?
asked by Ema 
algebra
The equation y = 14x represents the number of pages Printer A can print over time, where y is the number of pages and x is time in minutes. The table shows the number of pages Printer B can print over time.
asked by Anonymous 
Math HELP!
An estimate for square root 72 is? A. 8.1 B. 8.5 C. 9.1 D. 9.5 Is the answer A? Thanks
asked by Anonymous 
precalculus
After 3 hours the number of bacteria in a culture is observed to have doubled. Find the time that it takes the culture to grow to 30 times its initial size.
asked by Bria 
Algebra HELP!
The student bookstore had a textbook for sale at $89.95. A student found the textbook on eBay for $62.00. If the student bought the book on eBay, what percentage of the cost of the bookstore book did she save?
asked by Rose 
Biology
Why can the identity of a compound not be determined by cutting out the spot on an autoradiogram and subjecting it to chemical analysis?
asked by Jessica 
maths
if six men dig a ditch in 21 days,how long would 9 men take?
asked by moseven 
Math HELP!
When a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t^2. The formula assumes that there is no air resistance. Find the time it takes a skydiver to fall 1,551
asked by Anonymous 
science
Which of the following statements is true? A. An object that is accelerating is always changing direction. B. An object that is accelerating is always changing speed. C. An object at rest has an instantaneous acceleration of zero. D. Instantaneous
asked by LovelyCaity 
Algebra
A coin purse contains 5 centavo, 10 centavo and 25 centavo coin is 3 times as many 5 coinand the 25 centavo coins is two more than 10 centavo. And the total value is 4.90 pesos.how many of each kund of coins are there?
asked by Marian 
science
What is true about the element francium(Fr,atomic number 87)? Choose all that apply. a. it has 7 valence electrons b. it is likely to form ionic bonds c. it is a nonmetal d. it is in period 7 e. it is a metal Is the answer a,d,e?
asked by Anonymous 
math
Identify the solution(s) of the system of equations, if any. x + 2y = 7 3x  6y = 3 (4, ) (4, ) (, 4) (, 4)
asked by allen 
Math
kate wants to buy a new bicycle from a sportinggoods store.The bicycle she want normally sells for $360. The store has a sale in which all bicycles cost 5/6 of the regular price. what is the sale price of the bicycle?
asked by Anonymous 
Physics
What is the kinetic energy of an ideal projectile of mass 19.4 kg at the apex (highest point) of its trajectory, if it was launched with an initial speed of 29.2 m/s and at an initial angle of 46.9° with respect to the horizontal?
asked by Anonymous 
Trigonometry
Solve 2cos^2θ/2 = cos2θ for 0º≤θ≤360º. (Hint: Graph each side of the equation and find the points of intersection.) A) ≈73.8º; 260.4º B) ≈141.3º; 218.7º C) ≈225.7º; 315.8º D) ≈51.7º; 138.2º
asked by TeeKay 
math
timmy had 1/2 of pizza left over.for lunch,he ate 1/3 of the leftover pizza.how much pizza is now left?
asked by Anonymous 
Physics
While exploring the canopy of the rainforest in equatorial South America, Anastasia falls from a branch 40.0 meters high. Exactly 1.1 seconds later Joe falls from the same branch. How high above the ground is Joe when Anastasia splats into the mud below?
asked by Adub 
math
a punch recipe calls for equal amounts of pineapple juice and orange juice. pineapple juice comes in 6 ounce cans and orange juice comes in 10 ounce cans. what is the least amount of each kind of juice that can be mixed without having any left over
asked by Anonymous 
Physics
A father pulls his son, whose mass is 26.7 kg and who is sitting on a swing with ropes of length 3.27 m, backward until the ropes make an angle of 35.6° with respect to the vertical. He then releases his son from rest. What is the speed of the son at the
asked by Charlie 
math
manuel says that you can use one of the denominators of 5/6 and 11/30 when renaming these fraction using a common denominator. why is this true
asked by Anonymous 
physcs
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 41.8 km/s and 64.6 km/s. The slower planet's orbital period is 8.84 years. (a) What is the mass of the
asked by S 
maths
The sum of the 3rd and 7th term of an A.P is 38 and the 9th term is 37..Find the first term and common difference
asked by benita 
Physics
An astronaut jumps on the moon with an initial upward velocity of 4.35m/s. If the acceleration of gravity on the moon is 1.62m/s^2, what is the max height of the astronaut?
asked by Toni 
Business English
You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe one
asked by Tara 
java programming
Your boss at Ruritania Weather Center (RWC) has asked you to write a small program for center. The specification are as follows: a. the program asks a user to enter a number between 1 and 12 inclusive representing the months January to December. Once this
asked by lebo 
guidance
Brian comes to the block area and knocks down a building that Tim and Jody are Constructing. The most probable reason for Brian's misbehavior is that he A. has too much selfesteem.B. has lost control.C. is seeking attention.D. is destructive by nature.
asked by Amanda 
physical science
calculate the force output by the larger piston of a hydraulic lift when a force of 700 newtons is excerted on the smaller piston and the areas of the two pistons are 20cm and 950cm squared.
asked by sara 
math,algebra,fractions, decimals
Find 1 terminating decimal and 1 repeating decimal between 1/2 and 2/3.
asked by PLEASE 
Physics
Sanjay's air boat starts from rest and accelerates at 4.6 m/s2 for a distance of 219 meters. How fast is it moving at the end of the 219 meters?
asked by Adub 
word problem
To find the weight of the gold in a 22 karat gold object, multiply the object's weight by 0.917. To find the weight of the gold in an 18 karat gold object, multiply the object's weight by 0.583. A 22 karat gold statue and a 14 karat gold statue both weigh
asked by Kymy 
Math
Suppose that water is pouring into a swimming pool in the shape of a right circular cylinder at a constant rate of 3 cubic feet per minute. If the pool has radius 6 feet and height 10 feet, what is the rate of change of the height of the water in the pool
asked by BOB 
physics
the mass of a stone is 15.0g when completely immersed in water and 10.0g when completely immersed in a liquid of relative density 2.0. what is the mass of the stone in air
asked by dada 
Physics
How would you set this up? A 250N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 28° with the horizontal. What is the angular speed of the sphere at the bottom of the slope if it starts from rest?
asked by Courtney 
Physics
I am really confused on the steps to solve this problem. This is my first time taking physics. The much needed help, would be strongly appreciated. a) Calculate the centripetal force exerted on a vehicle of mass m = 1630 kg that is moving at a speed of
asked by Carlos 
Physics
A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is initially at rest. After the collision, the first ball moves away at an angle of = 30.6° with respect to the hori zontal, as
asked by :( 
Math
Mix W = 5 Cups Concentrate and 8 Cups Cold Water, Mix X = 3 cups concentrate 6 cups cold water, Mix Y = 6 Cups Concentrate 9 Cups cold water, Mix Z = 3 Cups Concentrate 5 cups cold water Question: If possible, write each comparison of concentrate to water
asked by Alaisia Patterson 
Physics
A stone is thrown downward with a speed of 12 m/s from a height of 20 m. (acceleration due to gravity: 9.81 m/s2) a) What is the speed (in m/s) of the stone just before it hits the ground? b) How long does it take (in seconds) for the stone to hit the
asked by Adub 
Maths
Joe has some pocket money. He spends a fifth of it. He has then £2 left. How much pocket Money did he have?
asked by Sana 
physic
A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 29.2 m but my answer is wrong b) What was the maximum height of the
asked by sara 
World History (Ms. Sue)
How did the French system of colonial rule differ from that of Great Britain? A: The French system of colonial rule differed from that of Great Britain in many ways. In Great Britain, the system was basically a fraud because British administrators made all
asked by Victoria 
Physics
Suppose that a woman driving a Mercedes zooms out of a darkened tunnel at 33.9 m/s. She is momentarily blinded by the sunshine. When she recovers, she sees that she is fast overtaking a bus ahead in her lane moving at the slower speed of 12.0 m/s. She hits
asked by Adub 
math
Erin buys a bag of peanuts that weighs 3/4 lb later that week the bag is 2/3 full. How much does the bag of peanuts weigh now?
asked by corin 
World History (Ms. Sue)
I'm only guessing. I don't have much of an idea. What fears do we have today that prevent or inhibit exploration or research? What technological advance would be required to overcome those fears? A: Fears of failure, disease, and losing resources are that
asked by Victoria 
Science
Science project ideas for science fair. I need to prepare a model for science fair. But I need some ideas about the major problems facing today's world. So that I can get idea for improvement in any area and to show this in science fair. Please get me know
asked by Edd 
physic
After pushing a 22.2 kg kid and tricycle over 10.3 m of smooth, level sidewalk from rest, the "combo" is moving at 3.0 m/s. Find the combo's kinetic energy. (the answer is 99.9j) what net force must have been delivered to the combo?Now you stop pushing and
asked by sorry 
physics
A car travels in a straight line for 2.8 h at a constant speed of 53 km/h . What is its acceleration? Answer in units of m/s 2
asked by bill 
Physics
What is the kinetic energy of an ideal projectile of mass 19.4 kg at the apex (highest point) of its trajectory, if it was launched with an initial speed of 29.2 m/s and at an initial angle of 46.9° with respect to the horizontal? I know kinetic energy
asked by Anonymous 
Physics
A 5.0kg box slides 8.0m down a ramp, inclined at 40degrees from the horizontal. If the box slides at constant velocity, the work done by gravity is? I used W=F*deltaX*costheta =(mg)*(deltaX)*(costheta) =(5.0)(9.8)*(8.0)* (cos50) Which I got 252 J. Is this
asked by Anonymous 
Math
The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 22 cm and a second side that is 2 cm less than twice the third side, what are the possible lengths for the second and third sides?
asked by DyEsha 
physic
A car starts from rest on a curve with a radius of 150m and tangential acceleration of 1.0m/s2 . Through what angle will the car have traveled when the magnitude of its total acceleration is 3.0m/s2 ?
asked by joshwa 
physics
A swing sits 5 m above the ground when it is still. John lifts the swing and releases it. At its lowest point, its velocity is measured to be 5.53 m/s. How high above the ground did John lift the swing?
asked by lisa 
Physics
After pushing a 22.2 kg kid and tricycle over 10.3 m of smooth, level sidewalk from rest, the "combo" is moving at 3.0 m/s. Find the combo's kinetic energy
asked by ji 
World History (Ms. Sue)
What fears do we have today that prevent or inhibit exploration or research? What technological advance would be required to overcome those fears?
asked by Victoria 
Chemistry
Mass of an empty flask and stopper is 55.844g. 5mL of an unknown liquid is added and heated in a water bath at 99.7 degrees C. It then cools down. The stopper is removed and then replaced. The weight of all of this is 56.101g. The volume of the flask is
asked by Gg 
physics
The sugar concentration in a solution (e.g., in a urine specimen) can be measured conveniently by using the optical activity of sugar and other asymmetric molecules. In general, an optically active molecule, like sugar, will rotate the plane of
asked by Jason 
Math help
Please answer this 1 question!! 1.Which could be the name of a point? A. EF B. k C. Q D. MN
asked by Matt 
us history/thomas jefferson,franklin and washingto
According to thomas jefferson when and why would george washington and benjamin franklin speak selectively?
asked by nana 
Math
kate wants to buy a new bicycle from a sportinggoods store.The bicycle she want normally sells for $360. The store has a sale in which all bicycles cost 5/6 of the regular price. what is the sale price of the bicycle?
asked by Anonymous 
physics
A swimmer can swim in still water at a speed of 9.47 m/s. He intends to swim directly across a river that has a downstream current of 4.24 m/s. a) How many degrees from straight across the river should he head? Let upstream be a positive angle. Answer in
asked by a 
algebra 2
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?
asked by logan 
Biology
A couple has a child with an autosomal recessive form of glycogen storage disease, a deficiency of a lysosomal enzyme. An enlarged liver and heart and weak muscles cause the baby to die from heart and lung failure at 20 months. Now the woman is pregnant
asked by Rose 
Chemistry
What is energy difference between staggered and eclipsed conformations of 2,2,3,3tetramethylbutane? Is it 2k/J/mol? Interaction Energy Cost (kJ/mol) H/H Eclipsed 4 CH3/H Eclipsed 6 CH3/CH3 Eclipsed 11 CH3/CH3 Gauche 3.8
asked by Fin 
math
Find 1 terminating decimal and 1 repeating decimal between 1/2 and 2/3.
asked by help 
World History (Ms. Sue)
What role did African representatives at at the Berlin Conference? A: African representatives did not play a role at the Berlin Conference since no African delegates were present.
asked by Victoria 
Perimeter and Area
The set of points (2, 3), (9, 3), (9, 2), and (2, 2) identifies the vertices of a quadrilateral. Which is the most specific description to tell which figure the points form? parallelogram square rectangle trapezoid
asked by Sara 
Chem Help Please!
Explain why bromination of cyclohexene produces trans 1,2dibromocyclohexane.
asked by JuYoung 
math
arianna's mom deposits $80 in her lunch account. Lunch costs $2.50 per day. Write and solve an inequality to determine when there will be less than $20 in her account. I'm not sure how to set this up. would i subtract $80 to add it back to $20 on the other
asked by Reece 
Chemistry
What volume of 0.170 M K3PO4(aq) must be added to 50.3 mL of 0.103 M K2HPO4(aq) to prepare a buffer solution with a pH of 12.09?
asked by Jamie 
physics... PLEASE HELP
An elephant can hear sound with a frequency of 15.0 Hz. What is the wavelength of this wave? The speed of sound in air is 343 m/s.
asked by Jason 
algebra
Eight more than the product of seven and Mabels age. (turn into algebraic expression)
asked by Mani 
Statistics
A student makes random guesses on 6 multiplechoice questions. One of the 5 choices in each question is correct. What is the probability that the student will get at most 4 answers right?
asked by MM 
physics
Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115°F. Six months later the temperature has dropped to 2°F.How much space now exists between each rail?
asked by Jason 
Persuasive Essay (Please, help me!)
Please, help me! I'm struggling to write my persuasive essay that must be completed by tonight. I don't know know whether that which I have written makes sense. I don't know what else to write, either! My essay is about why high school students should be
asked by Victoria 
Math
I'm not sure how i'm supposed to set up the equation to solve this. A phone company offers a plan for long distance service charges of .08 per minute. Another phone company offers a plan for $6 per month plus .02 per minute. For what number of minutes per
asked by Jessie 
physics
Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115°F. Six months later the temperature has dropped to 2°F.How much space now exists between each rail?
asked by Jason 
math
Andrew wants to rename 2/7 and 3/4 using a common denominator. which of the following shows these fractions renamed correctly. a 8/28 and 21/28 b 2/28 and 3/28 c 4/28 and 6/28 d 2/7 and 3/7
asked by Anonymous 
Physics
A ball with mass m = 0.210 kg and kinetic energy K1 = 2.97 J collides elastically with a second ball of the same mass that is initially at rest. After the collision, the first ball moves away at an angle of = 30.6° with respect to the hori zontal, as
asked by Tiki 
English
1. Don't make a nooise. 2. Don't make noise. (Which one is correct? Are both OK? Then which one is commonly used?) 3. Don't manke any noise. 4. Don't make much noise. 5. Don't make any noises. 6. Don't make many noises. 7. Don't make a lot of noises. 8.
asked by rfvv 
physic
A car starts from rest on a curve with a radius of 150m and tangential acceleration of 1.0m/s2 . Through what angle will the car have traveled when the magnitude of its total acceleration is 3.0m/s2 ? thank you so much in advance
asked by joshwa 
Science
Similarities between decomposition and photosynthesis
asked by Sofia (bizz) 
physics
The sugar concentration in a solution (e.g., in a urine specimen) can be measured conveniently by using the optical activity of sugar and other asymmetric molecules. In general, an optically active molecule, like sugar, will rotate the plane of
asked by Jason 
math
To find the weight of the gold in a 22 karat gold object, multiply the object's weight by 0.917. To find the weight of the gold in an 18 karat gold object, multiply the object's weight by 0.583. A 22 karat gold statue and a 14 karat gold statue both weigh
asked by Kymy 
physics
Two blocks with masses m1 = 13.4 kg and m2 = 74.2 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.55 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against
asked by DD 
social studies
Governments must provide some goods and services because: A. Producers cannot limit who uses them B. Only some people wish to use them C. Private companies are unable to make them D. Consumers distrust private suppliers of them I am thinking "C"
asked by Denise 
math
A craft store bought paint for a wholesale price of 100 the store charges a 65% markup what is the craft stores price for the paint.
asked by thomas 
statistics
The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is
asked by sue 
Chemistry
Chemical reaction for converting polythene to ethanol
asked by Elley 
math
To find the weight of the gold in a 22 karat gold object, multiply the object's weight by 0.917. To find the weight of the gold in an 18 karat gold object, multiply the object's weight by 0.583. A 22 karat gold statue and a 14 karat gold statue both weigh
asked by Kymy 
Chemistry
How would you prepare 165 mL of a 0.976 M NaOH solution, starting with a 6.36 M stock solution? Volume of solution needed? Volume of water needed?
asked by Anna 
physics
Two waves traveling on a string in the same direction both have a frequency of 92 Hz, a wavelength of 0.19 m, and an amplitude of 0.32 m. What is the amplitude of the resultant wave if the original waves differ in phase by pi /3 rad? What is the phase
asked by Samet 
physics
Two waves traveling on a string in the same direction both have a frequency of 92 Hz, a wavelength of 0.19 m, and an amplitude of 0.32 m. What is the amplitude of the resultant wave if the original waves differ in phase by pi /3 rad? What is the phase
asked by Samet heelllpp 
Math HELP!!!!!
3/8x11 3/5x5/7 3/4x2 2/5x5/6 7/8x1/2
asked by Izzy 
algebra
has inherited $15,000 that she wants to invest in two separate accounts, one paying 4% and one paying 3% annual interest. If the total interest earned for a year is $550, how much should she invest at each rate?
asked by Anna 
Maths
Find the absolute maximum and minimum values of the function f (x) = [x^(2/3)]*[x − 1] on the closed interval [0, 4], and state where these values occur.
asked by Khyati 
Chemistry
1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high
asked by Tiffany 
physics
two forces are applied to a 40kg object. one force is 50N and the other is 60N. if the forces are perpendicular to another, what will the resultant acceleration of the object be?
asked by Anonymous 
Accounting
Journal Entries Under the Perpetual Inventory System Bhushan Building Supplies entered into the following transactions.
asked by Anthony 
physics
A car accelerates uniformly from rest to a speed of 73.6 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s 2
asked by tom 
Physics
A father pulls his son, whose mass is 26.7 kg and who is sitting on a swing with ropes of length 3.27 m, backward until the ropes make an angle of 35.6° with respect to the vertical. He then releases his son from rest. What is the speed of the son at the
asked by Charlie 
physic
A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 26.7 m b) What was the maximum height of the ball? my answer here was 30
asked by sara 
physics
Thirty microcoulombs of NEGATIVE charge experiences an electrostatic force of 27. mN. What is the magnitude and direction of the electric field?
asked by Maranda 
math
4/51/6
asked by Silvana 
Physics help please
The lowest possible energy for a certain positively charged particle trapped in a box is 2.00 eV. (a) What are the next two higher energies a particle can have? b) Is 30 eV an allowed energy? (c) Is 32 eV an allowed energy? (d) Given the box length is
asked by Sarah 
CHEM
3 Liter of a gas is collected at 35 degrees celcius and 705 mmHg .what is the volume at STP?
asked by RTYU 
Grammar
Am I using the semicolon correctly in the sentence below? "Overall, the historical epic GANDHI was a riveting, biographical masterpiece of a man who rose from being a simple lawyer and transformed into a worldwide symbol of peace and understanding; an epic
asked by Victoria 
Physics
A car is parked 23.0 m directly south of a railroad crossing. A train is approaching the crossing from the west, heading directly east at a speed of 59.0 m/s. The train sounds a short blast of its 340Hz horn when it reaches a point 23.0 m west of the
asked by Faune 
physic
A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 26.7 m b) What was the maximum height of the ball? my answer here was 30
asked by emily 
Need help pleas (science)
. Why are energy transformation important for an ecosystem's stability? . What is the role of photosynthesis I'm making energy "usable" for life? . What is the link between decomposition and photosynthesis? . What is the connection of energy flow through
asked by Sofia (bizz) 
Chemistry
2. A fluoride electrode is used to determine fluoride in a water sample. Standards and samples are diluted 1:10 with TISAB solution. For a 1.00 x103M(before dilution) standard, the potential reading relative to the reference electrode is 211.3mV and for
asked by Glyn 
physics
A ball is moving horizontally at 9 m/s when it leaves the edge of a table. The table is 1.64 m high. How long does it take to hit the ground?
asked by Anonymous 
Physics
1. A body was dropped from a building 10m high. Its kinetic energy before reaching the ground is 980 J. What is the mass of the body? 2. A 1.0kg block slides down a rough inclined plane whose height is 1.0 m. At the bottom the block has a speed of 4.0
asked by Brianna 
Math
Am I right? Nobby Hobby charges $35.00 entry fee plus $18.50 per night of camping. Write an algerbraic expression for the cost in dollarsof entry to Nobby Hobby ($35.00+$18.50).n Thanks
asked by Kyle 
Science
. Why are energy transformation important for an ecosystem's stability? . What is the role of photosynthesis I'm making energy "usable" for life? . What is the link between decomposition and photosynthesis? . What is the connection of energy flow through
asked by Bizz 
Algebra
Because of a recession, the value of a new house depreciated 10% each year for 3 years in a row. Then, for the next 3 years, the value of the house increased 10% each year. Had the value of the house increased or decreased after 6 years? Explain please!!
asked by KG 
Physics
An airplane is flying with a velocity of 220 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ? I
asked by Abigail 
finance
Bill is a restaurant manager that falls into the 25% marginal bracket and pays an additional 5% for state taxes. He has invested 20,000 in corporate bonds which is currently earning a annual return of 7.5%. What is the after tax return on bill's corporate
asked by tammy 
calculus
Let \lambda be a positive real number. Evaluate \sin^{1}(\lambdai)
asked by siri 
Algebra
Please help! True or false and if false, correct the underlined portion. If 9>3w51>60 then *3
asked by AndyK 
Chemistry
Consider a solution of CaCl2 and Mg(NO3)2 in which the concentrations of both Mg2+ and Ca2+ are the same, 0.01. M. Is it possible to separate Ca2+ from Mg2+ by selective precipitation of Mg(OH)2? To be precise, is it possible to precipitate 99.99% of
asked by Meera 
science
Criminalists use DNA___ in crime investigations.
asked by Madie 
Chemistry
What voltage would be measured in a 1.00 x103M acetic acid solution (pH=3.88)? Assume aH+= [H+].
asked by Glyn 
math
what is onehalf added to 2 sixths?
asked by Sana 
English
In following sentence is Knowing a verbal participle or a verbal gerund? Knowing how an engine works is the key to auto repair. I want to say gerund because I say it is the subject.
asked by Anonymous 
Biology
Why is it important that cells produced after meiosis be diverse? My answer: Meiosis is involved it the formation of gametes, so if the cells produces were not different, then everyone would be identical. Is this correct? @Mrs. Sue? someone? Thank you! :)
asked by school lover 
guidance
The ability to communicate feelings is one of the goals of A. selfcontrol.B. guidance.C. discipline.D. fostering. B.
asked by Amanda 
statistics
A research organization claims that the monthly wages of industrial workers in district X exceeds that of those in district Y by more than Rs 150. Two different samples drawn independently from the two district yielded the following results: District X: x1
asked by nigar 
math
Select the appropriate values of x that are solutions to f (x)=0, where f ( x ) =7x^2+4x+9 (0.78,0.44) (7,4) (0.57,1.29) (0.88,1.46) Select the appropriate values of x that are solutions to f ( x ) =5x^2+8x+5 (2.08,0.48) (5,8) (1.60,1.00)
asked by sue please help! 
physics
An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.38 m/s, and its maximum acceleration is 5.82 m/s2. How much time elapses betwen an instant when the object's speed is
asked by Anonymous 
Business
Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $400 million. Since the primary asset of this business is real estate, Templeton's management has determined that they
asked by Stacy 
Math
How do I change these fractions to decimals? 3/4 1/5
asked by Amy 
math
Can't figure this one out. The oceans' tide levels vary based on the phases of the moon. Find the percent decrease in tide levels when high tide is 4.25 ft and low tide is 0.75 ft above sea level.
asked by emma 
History
Which of the following statements could have been said by a loyalist dyuring the American Revolution A.These colonists need to stop their rellebious actions. I have already fought in three battles against them and see no way that they can win. I just wish
asked by M 
Chem Help Please!
Explain why the stability of alkyl carbocations is: tertiary > secondary > primary > methyl Thanks!
asked by Kimberly 
Physics
Ninja goes to space! If Ninja has a weight of 83.59 N on earth and she lands on a planet that has an acceleration due to gravity of 1.44 m/s2, then what is her weight on the new planet?
asked by Lexi 
Algebra
I don't understand how to find the equation to solve this. A family drove two cars to a reunion. The first car traveled at 50 mph. The second car left 1 hour later and traveled at 65 mph. How long will it take for the second car to catch up to the first
asked by Anna 
Statistics
Astudent makes random guesses on 6 multiplechoice questions. One of the 5 choices in each question is correct. What is the probability that the student will get at most 4 answers right?
asked by MM 
math
give 3 solutions of the inequality 5x2>7 I'm confused. will I have 3 same answers, but have to work the problem 3 different ways, or will there be 3 different answers?
asked by Anonymous 
algebra
How does the opposite of n differ from the absolute value n?
asked by please help 
Math
If the lateral area of a cone is 3685.1cm^2 and I were to paint the entire cone, the paint costs $1.99/jar and one jar of paint covers 400cm^2, how much will it cost?
asked by Anonymous 
algebra
A beauty salon buys bottles of styling gel for $4.50 per bottle and marks up the price by 40%. For what price does the salon sell each bottle?
asked by Lindsey 
Physics
How far will a motorcycle driven by Emily travel, if it is initially moving at 14.8 ft/s and accelerates uniformly at 11.3 ft/s2 for 6.6 seconds? My teacher never gave us equations to use when solving this king of problem.
asked by Adub 
chemistry
What amount of Heat is needed to increase the temperature of 95.3 g of copper from 25.0 degrees celsius to 48 degrees celsius? The value of Cp for copper is 0.387 degrees celsius
asked by diamond 
guidance
The style of adultchild interaction that promotes selfesteem and selfcontrol is A. authoritarian.B. authoritative.C. permissive.D. friendly. B.
asked by Amanda 
Science
. Why are energy transformation important for an ecosystem's stability? . What is the role of photosynthesis I'm making energy "usable" for life? . What is the link between decomposition and photosynthesis? . What is the connection of energy flow through
asked by Sofia (bizz) 
physics
2) A bullet of mass m1 = 0.01 kg and velocity v = 100 m/s is fired into a 100 kg block of ice and gets stuck. How fast does the ice move after the bullet impacts it?
asked by uzair 
math
Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $400 million. Since the primary asset of this business is real estate, Templeton’s management has determined that
asked by Stacy 
Chemistry
When 4.62 mL of cold water at 22.6 °C is mixed with 37.5 mL of hot water at 67.9 °C in a thermally isolated calorimeter, what is the final temperature of the mixture when thermal equilibrium has been achieved? H2O density = 1.00 g/mL.
asked by Hunter 
Chemistry
1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high
asked by Stephanie 
Physics
If I dropped a bowling ball from the empyre state building, at what velocity would it descend?
asked by None of Your business 
English
he federal government says Canada will start shipping its experimental Ebola vaccine to the World Health Organization on Monday. The government says in a release the Public Health Agency of Canada is supplying the vaccine to the UN body in Geneva in its
asked by Sally 
math
4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?
asked by Betty 
guidance
"You did a good job of cleanup today, Grace." In this statement, a caregiver has used A. evaluation.B. acceptance.C. limits.D. praise. D
asked by Amanda 
Chemistry
A 35.0L cylinder contains 387 g O2(g) at 22.5°C. What mass of O2(g) must be released to reduce the pressure in the cylinder to 5.94 atm, assuming the temperature remains constant?
asked by Alex 
guidance
The basis of a good childguidance system is the caregiver's A. knowledge of child development.B. choice of equipment.C. arrangement of space in the facility.D. schedule of activities. A.
asked by Amanda 
Physics
A constant force, F = (4.63, −3.79, 2.16) N, acts on an object of mass 17.7 kg, causing a displacement of that object by r = (4.10, 3.86, −2.45) m. What is the total work done by this force? Im pretty sure the work equals k(xxo) but im not really
asked by Anonymous 
algebra
(a+10)(a10)/(a10)(a+4) Simplify rational expressions
asked by sandy 
math
A golf cart has either 3 or 4 wheels. John checked all 25. How many 3 wheeled how many 4 wheeled
asked by sara 
Algebra
Please help! True or false and if false, correct the underlined portion. If 9>3w51>60 then *3
asked by AndyK 
math
Select the appropriate values of x that are solutions to f (x)=0, where f ( x ) =7x^2+4x+9
asked by sue 
math
find the difference between the simple intrest and the compound intreston 5000 for 2 years at 9% per annum.
asked by sasmita 
ENG290
I am to create a timeline that illustrates the history of children's literature in western culture using five key milestones of children's literature. CAN YOU PLEASE HELP
asked by sandra 
Algebra
X3y=9 2xy=2
asked by Riley 
Calculus
Find f'(a). f(x)=(x^2+1)/(x2) Is it (x^25x+2)/(x2)^2 ?
asked by Anonymous 
Science
Suppose you were testing the boiling temperature of several liquids.how would you use numbers in your investigation?
asked by Katelynn 
algebra
what are the following fractions decimal equivalents? 3 3/6 3 3/8 3 8/9 3 2/3
asked by please help 
algebra, fractions
What is a fraction whose decimal value is between 0.4 and 0.64? List the fractions decimal equivalent as well.
asked by please help 
math
A right square pyramid has a surface area of 75.5m^2 and a base length of 3.5m. What is the slant height of this right pyramid?
asked by Anonymous 
math
What is the perimeter of a triangle with the given side lengths? s1 = x + 4 cm s2 = 3x + 1 cm s3 = 7x + 3 cm
asked by Anonymous 
Math 222
Please help me solve these two problems. My addition sign is not working on my keyboard. a^4b plus a^2b^3 18z plus 45plus z^2
asked by Monica 
English
Lost on this one. Is demanding in this sentence a verbal gerund or just a verb? He is always demanding to have his own way. I want to say a verbal gerund, but then I want to say verb
asked by Anonymous 
life sci maths lit geography. and history
I am doing these fllwng subjects and I would like to knw if I could be a lawer while dnd these subjects
asked by zanele 
Science
What arrangement means in Science?...Thank you for your help.
asked by Damian 
English
Thank You Ms. Sue College English is harder then I thought and haven't had to ask just a few questions and I am running a 98 average
asked by Anonymous 
speech
Interesting informative speech suggestions?
asked by L 
Math HELP!
As estimate for square root 47 is between? A. 4 and 5 B. 5 and 6 C. 6 and 7 D. 7 and 8 Is the answer A? Thanks
asked by Anonymous 
physics
Under what circumstances, if any, will a converging lens form an inverted image of a real object? Under what circumstances, by itself, will a diverging lens form an erect image of a real object?
asked by Anonymous 
Statistics
Graduation rate for students in a program is 80%. If 10 students from it are selected at random, find the probability that AT LEAST 8 of them graduated.
asked by Janelle 
Math
Pick 2 consecutive, positive integers and call them a and b. Prove that a/2 + b/2 >/= 1. what does it mean by consecutive and positive integers? and how you can prove it? Thank You..
asked by EKA 
Algebra
a guy has $4.40 of nickels, dimes and quarters. he has twice as many dimes then quarters. how many nickels does he have?
asked by Emily 
Math
what is 4/25 in a percentage? I think it is 64/100... Is that correct?
asked by Eden S. 
Algebra
5x^3  12x  x^2 + 9  12x^5  6x^4  k = 19 + 8x^3  18x  19x^5  2x^2  8x^4 k = 7x^5 + 2x^4  3x^3 + 6x  10?
asked by Anonymous 
Physics
Mike is piloting a lear jet traveling at 207.8 m/s. He accelerates at 15.6 m/s2 over a distance of 2275 meters. How fast will the jet be moving at the end of this acceleration?
asked by Adub 
guidance
Which one of the following is not a way to foster prosocial behavior? A. Exhibit aggressive behavior.B. Create an environment that encourages helping and cooperation.C. Use reasoning.D. Be a model of prosocial behavior. My answer is D
asked by Amanda 
Math 222
Please help me solve these two problems. My addition sign is not working on my keyboard. a^4b plus a^2b^3 18z plus 45plus z^2
asked by Monica 
Grammar
Should I put commas before and after the film title in this sentence, too? "The multiple Academy Awardwinning, biographical epic, Gandhi, is an intriguing story about activism, politics, religious tolerance, and freedom."
asked by Victoria 
Math
The scale for an earth model is 1:40000000. The diameter of the earth is 12,756.32km. a)What is the diameter of the model in cm? b) If the model is cut in half, how many jars of paint would be needed to paint each half if 1 jar covered 10cm^2?
asked by Anonymous 
physic
what is the internal energy chane of 500g of molten lead as it solidifies at its melting temperature? Neglect its small volume change.
asked by wesailat mohammed 
english
did anyone read the book called memoirs of a geisha ? by arthur golden
asked by ina 
Math
What is 2 more than 5?and 1 less than 8 plus 2? I am in grade one. Thank you.
asked by Soin 
math
I labeled a clock, dice, and straight line A,B,C,D and with the chart below them it says to use those points to label and name representations of each of the following table: ray, line, line segment, and angle. Extend segments to show lines and rays. Need
asked by Sara 
math
I don't get how to put it in the the equation Interest=percent×rate×time This is the question The banded ribbon worm is a carnivorous aquatic worm. It measures about 2.5 ft. When expanded. Find the percent increase between the contracted and expanded
asked by emma 
Math
((1/2)^5)^2
asked by Steph 
Math
k = 10 + 3x^3  6x  7x^5  x^2  2x^4 Is this k = 7x^5 + 2x^4  3x^3 + 6x  10?
asked by Anonymous 
Homework (Science)
A ball is thrown straight upwards at a speed of 32.5 m/s and from a height of 1 m above the ground. How long before it hits the ground?
asked by Laya 
math
write my namein capital letters and write them in angle
asked by stpehanie 
inequalities
5(2x4)+ 11< 10 2(6x)
asked by Tim 
Algebra: Answer Check
(2  7i)  (5  3i) = 3  4i (1 + 2i) + (3 + 4i) = 4 + 6i
asked by Anonymous