Questions Asked on
October 26, 2015

Physics
In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0255 kg and the mass of the pendulum is 0.250 kg, how high will the pendulum swing if the marble has an initial speed

vectors linear algebra
The parametric equations for a line L1 are as follows: x = −4−6t y = 2+2t z = 1−4t Let L2 be the line parallel to L1 and passing through the point (−3, −3, −3). Find the point P on L2 whose xcoordinate is −12. P=P(12, _ , _ ) ?

Trigonometry
Determine the general solution of Sin2x=4cos2x thanks in advance

intro to computer programming
Write a program that asks the user to enter the number of packages purchased. The program should then display the amount of the discount (if any) and the total amount of the purchase after the discount. Your program should use a loop to ask the user how

maths
what is the probability of picking Friday at random? (likely/impossible)

Engish Check answers please
21. Which of the following sentences contains a misplaced modifier? (1 point) ⦁ I can’t believe I heard you complain about your surprise party! ⦁ Reading Paul’s essay, it was apparent his research skills were poor. ⦁ Alexis painted the murals

math
7. Professors’ Salaries The average salary for a Queens College full professor is $85,900. If the average salaries are normally distributed with a standard deviation of $11,000, find these probabilities. a. 0.3557 (TI: 0.3547) a. The professor makes more

thomas nhlabathi high school
Sipho is 6 years older than Betty. in 3 years time Sipho will be twice as old as Betty. how old is Sipho now.

History
8.WHAT DID THE WRITS OF ASSISTANCE DO A.)Lowerded Tax B.)Discouraged resettlement C.)Prevented smuggling D.)Taxed papers goods I put D

English Composition II
in writing a classification and division essay, _______ should introduce and elaborate on each of your essay's classification or divisions A. Topic sentences B. each body paragraph C. the introduction D. the conclusion I selected C. can someone help and

English Check please
The High School Step Team Karla’s cousin Jade urged her to join the step team. “This afternoon you should definitely try out!” Jade suggested after the final bell rang. “I know she wants the best for me,” Karla thought to herself, “but I’m

math
3 apples plus 2 pears cost .78 but 2 apples and 3 pears cost .82. What is the cost of 1 apple and 1 pear?

Chemistry
Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of charcoal) to produce 4.85×102kJ of heat? The balanced chemical equation is as follows: C(s)+O2(g)→CO2(g),ΔH∘rxn=−393.5kJ

science
A 10kg box is pulled along a horizontal surface by a force of 40N applied at a 30° angle above horizontal. The coefficient of kinetic friction is 0.3. Calculate the acceleration.

Chemistry
A 18.7 g sample of CaCO3 was treated with aqueous H2SO4 producing calcium sulfate, water and 3.65 g of CO2(g) according to: CaCO3(s) + H2SO4(aq) > CaSO4(s) + H2O + CO2(g). What was the percent yield of CO2?

English
10. In “Orphans Give Indian Couple Will to Live,” the Paramesvarans are offended by the term orphans because a. they feel they are now the parents to these children*** b. the government will not let the children be adopted by them c. Mr. Paramesvaran

English
In An Inconvenient Truth, the main greenhouse gas is A. carbon dioxide B. nitrous oxide C. oxygen D. methane

us history
which of the following illustrates the concept of civic virtue? a) helping the economy grow b) doing things for the common good ** c) making the government strong d) becoming wealthy individual please help thanks means alot

Algebra
Suppose U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} is the universal set, and P = {1, 4, 9, }. What is p'? {2,3,5,6,7,8} {2,4,6,8} {1,2,3,4,5,6,7,8,9,10} {2,3,4,5,6,7,8,10} suppose T={8,4,0,4,8,12,16,20} and K={3,2,1,0,1,2,3,4,5,6}. What is T n K?

algebra
Wilma drove at an average speed of 60 mi/h from her home in City A to visit her sister in City B. She stayed in City B 20 hours, and on the trip back averaged 50 mi/h. She returned home 45 hours after leaving. How many miles is City A from City B

English
Choose the answer that best matches the word "cache" Many soldiers would cache food and supplies for desperate times. extend hide*** sell trade ***  My Answer

us history
which of the following represents the civic virtue of diversity? a) being open to the opinions of others b) seeking honesty in oneself c) arguing a point based on facts d) focusing on individual rights** please help thanks very much

ELA
write each phrase to make it a plural, singular possessive ,or a plural possessive. the tail of the raccoon. more than one sweater. the leaves of the trees. Thank you for any help

science '
a book with an area of 0.0800 m/2 and a weight of 1.00 n is lying on the table . find the pressure on the surface of the table caused by the weight of the book.

Ela
Write each phrase below to make it a plural or singular possessive or plural possessive.the backpacks belonging to the girls,the covers of the bookd

English
In “Wave,” Dale Wisely characterizes water as an element that a. gives life*** b. takes life c. gives and takes life d. is life

Biology
The LEPR gene that encodes for the leptin receptor protein is approximately 23 kilo base pairs long. The receptor protein consists of 896 amino acids. A man has a mutation in an LEPR allele. Analysis of his DNA sequence for this lepr allele shows that

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By

English
In An Inconvenient Truth, green roofs are beneficial in fighting global warming because a. they are beautiful b. they have solar panels, which collect energy c. they emit water vapor, which cools the atmosphere d. they support plants, which filter carbon

science
Our 10kg mystery box rests on a horizontal floor. The coefficient of static friction is 0.4 and the coefficient of kinetic friction is 0.3. Determine the force of friction acting on the box if a horizontal external applied force is exerted on it of

science
how does a stars life begin?

stats
The controller for a garage door opener has nine binary switches that can be set to either on or off. How many different total settings can be set on this controller?

Physics
A tightrope walker wonders if her rope is safe. Her mass is 60 kg and the length of the rope is about 20 m. The rope will break if its tension exceeds 7500 N. What is the smallest angle at which the rope can bend up from the horizontal on either side of

English
Choose the answer that best matches the word "incandescent" One way to save money on electricity is to replace incandescent bulbs with compact fluorescent (CF) light bulbs. a. outside visible spectrum b. creating light by radiating heat c. emitting light

An Inconvenient Truth
5. In An Inconvenient Truth, the author uses which of the following to emphasize how humans can improve the atmosphere? a. the opening of "A Silent Alarm" b. the opening of "What exactly are greenhouse gases" c. the opening of "Crisis=Opportunity"*** d.

maths
For what natural number of x and y the equation 2x+5y7=0 has unique solutions? If the values are taken from collection of real numbers do you think the equation has unique solution

English
Choose the answer that best matches the word "millennia" For many millennia, people believed Earth was flat. reasons thousands of years*** generations of people beliefs or propositions ***  My Answer

algebra
tommy is playing with a kite, and it flies 80 feet high with 100 feet of string released. what is the horizontal distance from tommy to the kite?

Chemistry
A photon with a wavelength of 93.8 nm strikes a hydrogen atom, and light is emitted by the atom. How many emission lines would be observed?

Calculus
A force of 6 pounds is required to hold a spring stretched 0.2 feet beyond its natural length. How much work (in footpounds) is done in stretching the spring from its natural length to 0.6 feet beyond its natural length? could you please explain how.

Math
The value of a certain rare stamp is 160% of its value three years ago. If the stamp was worth $220 then, what is it worth today?

English
Choose the answer that best matches the word "scourge" Rats were considered the scourge of the Middle Ages. source of all disease cause of trouble or pain*** omen of good fortune sign of a good harvest ***  My Answer

khilgoan high school
how to making water dissolv oxyzen test solution?

chem  help!
Different manufacturers claim to have the best antacid. Which of the following tablets would neutralize the most acid for the money? Write a balanced chemical equation along with your answer. a) Rolaids (550 mg CaCO3 and 110 mg Mg(OH) per tablet)  150

algebra
Sally is given the information ƒ(1)= 0, ƒ(2)=0 and ƒ(3)=0. Which are the factors of the polynomial? A) (x2)(x+3)(x+1) B) (x+2)(x3)(x1) C) (x2)(x3)(x1) D) (x+2)(x+3)(x+1)

math
The effective rate of a $25,000 noninterestbearing simple discount 10%, 90day note is

Spanish
What presenttense form of the verb ensenar (~ mark on second n) would you use to speak about yourself? a. ensena (~ mark on second n) b. ensenas (~ mark on second n) c. enseno (~ mark on second n) d. ensenamos (~ mark on second n)

Algebra 2
Solve the system by substitution. 2x + y = 11 3x  4y = 11 (3, 5) (–5, –3) (–3, –5) (5, 3) How?

Physics
The distance between two telephone poles is 42 m. When a 1.44 kg bird lands on the telephone wire midway between the poles, the wire sags 0.139 m. The acceleration of gravity is 9.8 m/s2 . How much tension in the wire does the bird produce? Ignore the

Health PLZ HELP ASAP
There are four communication skills that have been proven to be very effective when sharing information. The four skills are: using "I" message, active listening, assertiveness,.....(I have to figure out the last one) A, Aggressiveness B, Body Language C,

Physics
A ball of mass 0.3kg moving at a velocity 20/s is suddenly hit by a force of 5 Newton for a time of 0.03 seconds. Find its new velocity

Math
Gillian has completed 25% of a bicycle race. If the race is 40 miles long, how many miles has she traveled so far?

social studies
One main purpose of the government is to

CALCULUS TEST TOMORROW
If two resistors with resistances R1 and R2 are connected in parallel, as in the figure below, then the total resistance R, measured in ohms (Ω), is given by 1 R = 1 R1 + 1 R2 . If R1 and R2 are increasing at rates of 0.3 Ω/s and 0.2 Ω/s, respectively,

Physics
A boat travels at 8m/sec and heads straight across a river 240m wide. The river flows at 4m/sec. What is the boats resultant speed with respect to the riverbank

math
Write the slopeintercept (y = mx + b) form of the equation from the information given. 3. The line goes through the points (8,5) and (9, 6) ~ Can someone please help me? I really don't know how to do this one

science
A 65kg woman descends in an elevator that briefly accelerates at 0.2g downward. She stands on a scale that reads in kg. • During this acceleration, what is her weight and what does the scale read? • What does the scale read when the elevator descends

Math
At the zoo the polar bears are fed 0.77 bucket of fish a day. The Penguins are fed 0.8 that amount. How much of a bucket are the Penguins fed? Answer: 0.616 bucket of fish 2) On Monday, George picked up 0.5 of a kilogram of cans to recycle. On Tuesday he

Math
It has four side and all opposite side are parallel and has no right angles

us history
which of the following is the most important political result of the election of 1800? A)it proved that the nations who thought the united states would not last were right. b)it proved that unpopular law and actions could get a sitting president reelected.

Math
5) a baby frog weighed 4.3 grams. After a month it was 3.37 times as heavy, how much did the frog weigh after a month? Answer: 14.491 6) A full container of industrial cleaning solution had 4.74 litres of liquid. If the container was only 0.9 full, how

Multicultural Psychology
The County of Fairfield, California recently put in place changes to improve the process of removing children from their parents for Social Services. What is the professional term for this process? A. Psychological counseling B. Advice in difficult

physics
A truck accelerates uniformly from rest to 21.5m/s in 5.7sec along a level stretch of road. Determine the average power required to accelerate the truck for the following values of the weight (ignore friction) a) 1.00x10^4 N b) 1.45x10^4 N I used constant

English
In An Inconvenient Truth, the author uses which of the following to emphasize how humans can improve the atmosphere? a. the opening of "A Silent Alarm" b. the opening of "What exactly are greenhouse gases" c. the opening of "Crisis=Opportunity"*** d. the

Math
The french club is sponsoring a bake sale. IF its goal is to raise at least $140m how many pastries mut it sell at $3.50 each to meet that goal? Writ and solve an inequality

U.S. History
1) What federal agencies helped control American industries during the war (WWI)? A: The War Industries Board (WIB), the Food Administration, and the Fuel Administration helped control American industries during the war. The War Industries Board's job was

geography..please check my answers!!!
which pair of basic questions guides geographers in their work? where are things located? and Why are they there? **** What is the climate? and Why was it changed? When did Earth form? and What is it made of? Who lived where? and When did they move?

Math
The french club is sponsoring a bake sale. IF its goal is to raise at least $140m how many pastries mut it sell at $3.50 each to meet that goal? Write and solve an inequality 3.50p ≥ 140: p ≥ 490 140p ≥3.50; p≥ 40***** 3.50p ≥ 140; p≥136.5

English
I really need help with these prepositions and I don't know if I did it right or not, can you please check? Directions: cross out any prepositional phrases. Underline the subject once and the verb/ verb phrase twice. I don't know exactly how to find the

pre algrea
the ratio of the model to the actual size is 1in 85 ft estimate the height of the building if the model is 1.5 inches tall

8th grade math
Angle ABC=62° and angle ACB=66° what is the angle DAB?

math
n a triange the longest side is 2 more than the shortest side. the third side is half of the sum of the longest side, then express the perimeter in polynomial form

Calculus help
Solve using implicit derivative cuberoot(x)+cuberoot(xy)=4y^2

Science
what is the required amount of con hcl needed to prepare 100ml of w/v dilute Hcl? strenth of Hcl 36.5 w/w and is specific gravity is 1.17

physics
a stone is thrown vertically upward at a speed of 10 m/s from a cliff that is 95m high. How long will it take the stone to reach the bottom?

Science
2. Which of the following describes the genotype and phenotype of parents whose child will definitely have a recessive trait? A. Both parents have a homozygous for the recessive allele and have that trait** B. Both parents have a homozygous for the

Calculus plz help integral
Find the integral of §x^1/2.e^xdx at upper limit of 1/2 and lower limit of zero..show work plz

English
1. In “The Deadliest Tsunami in History,” the cause of the Indian Ocean tsunami was a. a rupture in the Burma plate*** b. an unintended explosion in Japan c. a tornado off the coast of Sumatra d. mass animal migrations to the North 2. In “The

chemistry
What volume of 0.182 M Na3PO4 solution is necessary to completely react with 95.1 mL of 0.117 M CuCl2?

math
If the ladder reaches a height of 12 meters up the wall and has its foot 5meter away from it so can you please help me to calculate the length of the ladder

art
where did Pablo Piccaso live?:]

Hockey p.e
What is the right defense man position in floor hockey

algebra
a farmer wishes to enclose a recectangular garden with 300 yard fencing, river runs along one side of the garden no fencing is need there, what are the dimensins of th rectangle if the area is 10450 square yards a=l*w 10,450=300*W

PLEASE HELP MS. SUE HELP ME WITH THIS SCIENCE
2. Which of the following describes the genotype and phenotype of parents whose child will definitely have a recessive trait? A. Both parents have a homozygous for the recessive allele and have that trait** B. Both parents have a homozygous for the

math
Find the values of the trigonometric function cot 8/17 sin: sec: tan: cot: I know you use a Pythagorean Identity, sin^2t + cos^2t=1 I got 64/289 for the first one for example and it was wrong.

Chemistry
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the

U.S. History
1) How did Germany's use of unrestricted submarine warfare lead to American entry into World War I? A: Germany's use of unrestricted submarine warfare lead to American entry into World War I after German submarines destroyed American ships, killing 128

linear algebra
Let L be the line with parametric equations x = −5+2t y = −7−3t z = 9−2t Find the vector equation for a line that passes through the point P=(7, 3, −5) and intersects L at a point that is distance 5 from the point Q=(−5, −7, 9). Note that

Precalculus
Q: A ship leaves the port of LA and travels 120 miles on a bearing of S47ºW and then 110 miles on a bearing of N80ºW. Find the total distance traveled South and West and also its bearing from the port of LA. I have found the distance traveled South and

math
A right rectangular pyramid is shown. The height of the pyramid is 12 units. The length and width of the base are 6 units and 8 units, as shown. Point F is the midpoint of line segment AB. Point E is directly above the center of rectangle ABCD.

French
Are these sentences grammatically correct? 1. On peut s'amuser quand on est vieil. 2. Il est vieil, alors il a moins de choses à faire.

AP Chemistry
For each of the following pairs of halfcells, determine the overall electrochemical reaction that proceeds spontaneously. Na+  Na, Ni2+  Ni

Biomechanics
Amy is in a tuck and skiing straight down a 30° slope. Air resistance pushes backward on her with a force of 10 N. The coefficient of dynamic friction between her skis and the snow is 0.08. Amy’s mass is 60 kg. What is the resultant of the external

please check my answer!!!
through their study on earth, geographers learn how earth and its people affect ? human health the solar system *** each other political systems

5th grade math
The cost of 5 similar digital cameras and 3 similar video cameras is $3213, Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

Kennedy
There are 28 classes at an elementary school. The school cafeteria needs 22 cartons of milk per class each day. Milk costs 25 cents per carton. How many cartons of milk does the manager need to order each day?

Math
Find the light turns and the expression Y +1.2 Y +1.2 Z A(y and 1.2y B(1.2y and 1.2z C(y and 1.2z D(y 1.2y and 1.2z

Is this right Ms Sue ???
through their study on earth, geographers learn how earth and its people affect ? human health the solar system each other political systems***

AP chem
The experiment can be extended to determine the order of reaction m with respect to [OH] by varying the concentration of hydroxide ions [OH] Assume that the value of the pseudorate constant k’ was measured for two different concentrations of [OH].

U.S. History
1) Why did President Wilson intervene in Mexico? A: President Wilson intervened in Mexico because he desired to lead by moral example and promote Moral Diplomacy. 2) What incident triggered the beginning of World War I? A: The assassination of the heir to

Corporate Finance
I have answered all of the following except for the payback period, I do not understand how to do it. Can you please explain how to do the payback period? Texas Roks, Inc. is considering a new quarry machine. The costs and revenues associated with the

science/physics
just trying to find out what temperature the water in my celcius heating system needs to be to achieve an air tempature of 68 degrees ferinheidt

statistics
An internal study by the Technology Services department at Lahley Electronics revealed company employees receive an average of two emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution. a. what is the probability

science
Julie mixes 40g (grams) of unknown X with 20g of unknown Y, how many grams of products will be produced and why?

Grammar
Hiya. I'm writing a essay and in the context of an individuals' desire to have a right to privacy, should the apostrophe be before or after the s? Thanks in advance.

math
Write the slopeintercept (y = mx + b) form of the equation from the information given. The line goes through the points (1/2, 3/2) and (1/4, 5/4) I really don't know how to do this problem, can someone please show me how?

Stats
if 5% of people who received kidney transplants were under 18 how large a sample of patients needs to be drawn so that sample proportion of is approx. normally distributed

Geometry:Rectangles
Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be?

schience
a book with an area of 0.0800 m/2 and a weight of 1.00 n is lying on the table . find the pressure on the surface of the table caused by the weight of the book.

science
Explain the difference interactions that can take place when the beam of light hits the glass tank and then enters the water. Why does the beam lof light change direction when it enters the water? I need a full response/ explanation. It would really help

Maths
The dimensions of photographs are 30cm by20cm.what length of wooden frame is needed to frame the picture?

RK MISSION PUBLIC SCHOOL
a shop has 500 items out of which 5 are defective. What perceny are defective items?

physics
a) How much work must be done on a particle with a mass of m to accelerate it from rest to a speed of 8.4×10−2 c ? (Express the answer in terms of mc^2.) b)How much work must be done on a particle with a mass of m to accelerate it from a speed of 0.900c

math 1350
Ted has twice as many baseball cards as Bob. Reggie has five less than Ted. How many baseball cards does Ted have if Reggie and Bob have 82 cards altogether? Explain the process you used to solve this problem.

physics
Two identical charges, each 8.00 x 105 C, are separated by a distance of 25.0 cm. Find the electric force between them?

science
A building ball falls freely from rest on planet where gravity is equal to 5m/sec².How far does it fall after 4 secz.

science
2.007 sec. for a pebble released from the top of the building to reached the ground. How tall is the building

Counting and Probability
In how many ways can 4 boys and 4 girls sit around a circle table if each boy sits directly between two girls? (Rotations of the same arrangement are still considered the same. Each boy and girl is unique, not interchangeable.)

Math word problem
Please, i need help. How much greater than 11.6 is 5.43

Math 1350
One rectangular table seats three people along each side and two people are seated at each end. The tables are place endtoend in one long line. Draw a series of pictures that will help you find a pattern to predict how many tables will be needed to seat

CHEMISTRY!!!!
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the

Math 1350
In driving from town A to town D, you pass through town B and then through town C. It is twice as far as from A to b as from B to C, and 10 miles more from C to D than from B to C. If it is 58 miles from A to D, how far is it from town A to C?

Math 1350
When Mike sorts his marbles, he notices that if he put them in groups of 5, he has one left over. When he sorts them in groups of 7, he also has one left over, but in groups of 6, he has none left over. What is the smallest number of marbles that he could

Algebra
I am not getting any of the posted answers: Solve the system using elimination. 2x + 6y = 12 and 5x – 5y =10 (2, 1) (0, –2) (–2, 0) (1, 2)

Chemistry
how many grams of baking soda is needed to neutralize 500ml of hydrochloric acid ?

physics
how much energy is required to move a 1000kg object from the Earth's surface to an altitude twice Earth's radius?

pre calc
Find all zeros of the polynomial. (Enter your answers as a commaseparated list.) P(x) = x3 − 11x2 + 33x − 35

Sheridan Road stem
Write 16/40 in simplest form explain your work???

maths
what is the probability of picking the day that beings with the day letter 'T'? (likely/impossible)

statistics
In a large Midwestern university, 30% of the students live in apartments. If 200 students are randomly selected, find the probability that the number of them living in apartments will be between 55 and 70 inclusive.

health
The U.S. government categorizes body weight status as A. Healthy, unhealthy B. Thin, healthy, heavy, obese C. Underweight, healthy weight, overweight, obese D. Underweight, healthy, overweight

math
Bass: The bass in Clear Lake have weights that are normally distributed with a mean of 2.3 pounds and a standard deviation of 0.6 pounds. (a) If you catch one random bass from Clear Lake, find the probability that it weighs less than 1 pound? Round your

science
If 10gram of sugar is added to one third of 100 gram of 27%aqueous solution of sugar then concentration is..?

algebra
A coffee distributor needs to mix a(n) Queen City coffee blend that normally sells for $9.60 per pound with a Tanzanian coffee blend that normally sells for $11.20 per pound to create 80 pounds of a coffee that can sell for $9.84 per pound. How many pounds

History
4.)which of the following results of the french and indian war was a cause of the american revolutionary war A.)Native Americans lost large amounts of territory B.)Britain incurred a large debt as a result of the war C.)France ceded land in Canada and east

spanish
unscramble lanesbocto for me please! thank you

Math word prolems
You need to do the fencing of two side by side areas with 102 meters of wood fencing. What is the maximum area that you will be able to enclose?

algebra
After robbing a bank in Dodge City, a robber gallops off at 13 mi/h. 20 minutes later, the marshall leaves to pursue the robber at 16 mi/h. How long (in hours) does it take the marshall to catch up to the robber?

Ibrahim
Economics what is market stracture

chemistry
hmmm this is not making sense at the moment. the question: How many milliliters of 0.246 M HNO3 should be added to 213 mL of 0.006 66 M 2,2bipyridine to give a pH of 4.19? the equation: HNO3 + 22bipy > Protenated bipy + NO3 2 u want to find the moles

English
Choose the answer that best matches the word "reminiscent" The decorations were reminiscent of autumn leaves. leftovers made reminders*** symbolic ***  My Answer

algebra
Dilbert invests a total of $14,000 in two accounts paying 9% and 15% simple interest, respectively. How much was invested in each account if, after one year, the total interest was $1,350.00. A) Enter an equation that uses the information as it is given

math
the external dimensions of a closed box are 8cm by 5cm by 4cm. given that the thickness of the wood of which it is made is 0.5cm, find the volume of the wood used to make it.

Math
Can someone please check my work? Write the slopeintercept (y = mx +b) form of the equation from the information given. 1. Slope = ½ and b = 3 Y=1/23 2. Slope equals 2 and the line goes through the point (1, 3) Y=2x+5 3. The line goes through the

SCIENCE EXPLANTION
Explain why the boundary between the Triassic and Jurassic periods is similar to the boundary between the Permian and Triassic periods. Please give me the appropriate websites...NOT ANSWERS. Just Websites :)

CHEMISTRY
Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the

Health
If you’ve decided to lose weight then ________.

Math
2/3= 12/x x=18 x=12 x=36 x=8 I think the answer is 36

English
Choose the answer that best matches the word "minutely" She examined my costume minutely before declaring it the winner. with close attention to even the smallest details*** for a minute piece by piece, minute by minute casually ***  My Answer

Chemistry
Calculate the volume 0.1 M of acetic acid and 0.1 M sodium acetate required to prepare 300 mL of 0.05 M acetate buffer solution at pH 5.5.

History
6.)how did the french and indian war lead to american independence A.)It helped colonists take over the fur trade, which gave them money for the revolutionary war. B.)It showed that the colonist did not need the british because they learned to fight

Health
4. Which of the following is NOT a warning sign of suicide. A. Not accepting praise or reward** B. Change in eating and/or sleeping habits C. Being very careful about appearances D. Withdrawing from certain friends 5. A series of suicides that occur within

CHEMISTRY!!!!
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the

CHEMISTRY
a) Write the formula for each component in a buffer solution of acetic acid and its’ salt. b) The Ka, for hypochlorous acid, HClO, is 7.2 x l0^–4 at 25°C. What is pKa? Write the equation for the reaction to which Ka applies.

Algebra
Write the set using setbuilder notation: {natural numbers greater than 11

Math
72 oz=? lbs First I divided 16 from 72 and got 5 remainder 2. Then I turned it into a mixed fraction as: 5 2/6 When I got this I was truly stumped. Either I did the steps wrong or I am missing a step or I just don't know what to do next. HELP ME PLEASE:)

math
Write the slopeintercept (y = mx + b) form of the equation from the information given. ~~Slope equals 2 and the line goes through the point (1, 3) Can someone please show me how to do this?

Pathways to Math Literacy
Mike is putting up a snow fence on the west side of his property. He needs a post at each end to hold the fence up and would like to put a post in every 8 feet. If he uses 25 posts for his fence, how wide is the west side of his property?

English
The speaker in "Birches" compares the boy's climbing to a. girls dying there hair b. sweeping up broken glass*** c. a forest full of spiderwebs d. filling a cup to the top ***  My Answer

Freckles
Something I gain every time I say a quote from shawshank redemption or help someone.

Math
Sophia downloaded 592 vacation pictures. Of the pictures, 63% show the beach. About how many pictures show the beach? Use a rate per 100 to estimate.

History
7.)Which of the following would be a good caption for this image? A.)Abolitionists used the context of the Revolution to address American slavery. B.)The Daughters of Liberty wrote pamphlets condemning British taxes. C.)Women like Phillis Wheatley wrote

Spanish
How would you say "during first period" in Spanish? a. el primero hora b. la primera hora c. para el primero hora d. en la primera hora***

Honors English
What does the vocabulary word "purl" mean? a.) to spin in place b.) a lustrous gem found in sea mollusks c.) swirl I cannot decide if it's a or c, even after researching the word and looking at synonyms. Can anyone help?

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By

Trends
How do I know if I'm going out of style?

1 More English check please!!
Read the following sentences from "The Destructors." The new recruit had been with the gang since the beginning of the summer holidays, and there were possibilities about his brooding silence that all recognized. He never wasted a word even to tell his

statistics
all patients who present to the emergency services department with a suspected acute myocardial infraction are expected to receive an ECG within ten minutes of their arrival. Of the 56 patients who had a suspected AMI during the last quarter, 32 had an ECG

physics
A sphere of mass 78 kg is attached to one end of a rope as shown in the figure below. It is found that the rope does an amount of work W = 3550 J in pulling the sphere upward through a distance 4.6 m. Find the work done by the force of gravity on the

English
Which of the following lines from "Birches" uses metaphor to create a strong image? a. "Shattering and avalanching on the snow crust Such heaps of glass to sweep away..."*** b. "I should prefer to have some boy bend them As he went out and in to fetch the

English
In “Wave,” Dale Wisely characterizes water as an element that a. gives life b. takes life c. gives and takes life d. is life

Ms Sue please check my answers !!!!
All of the following advances in technology contributed to the Age of Exploration EXCEPT the mariner's compass. circumnavigation. the astrolabe. **** the caravel.

Spanish
What presenttense form of the verb ensenar (~ mark on second n) would you use to speak about yourself? a. ensena (~ mark on second n) b. ensenas (~ mark on second n) c. enseno (~ mark on second n) d. ensenamos (~ mark on second n)

Math
Please help me understading this question "a cycling club has 2/3 boys, 2/9 girls and 3 adults. how many are in club? write an equation and solve" Thank you for your input

Math
Please help me answer this question At the Cats galore cat show, 1/2 cat were Siamese, 1/6 were Persian, 1/5 were Abyssinian and 4 cats were tabby. how many cats were at the show? write an equation and solve it Thank you BJ

English LA 9TH
15. In “The Deadliest Tsunami in History,” the cause of the Indian Ocean tsunami was (1 point) a rupture in the Burma plate. an unintended explosion in Japan. a tornado off the coast of Sumatra. mass animal migrations to the North. 16. In “The

Geometry Rectangle
Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be?

Math
6 m of soil containing 50% clay was mixed into 10 m of soil containing 10% clay. What is the clay content of the mixture? How much salt should be added to 80 pounds of a 5 % salt solutio to make it a 24% salt solution Thank you so much!

Physics
A rocket is launched at an angle of è = 48° above the horizontal with an initial speed vi = 62 m/s, as shown below. It moves for 25 s along its initial line of motion wth an acceleration of 25.6 m/s2. At this time, its engines fail and the rocket

Treasure!
Where can I find the One Piece?

Physics
A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff

Biology
The name of each job is writte in CAPS. Match each wanted ad to the cell organelle that should be getting that job. Write the name of the job, followed by the name of the organelle Are you permeable? Are you all about homeostasis? GUARD needed to regulate

Physics
You are installing a new art piece after buying it from a second hand store. You are installing the piece on the wall at an incline. Suppose there are three forces when the piece is installed and each tension is about 77 N, what is the force of gravity

math
Mrs. Crawford has invested $ 6,000 at 3% interest. How much additional money should she invest at 8% interest so that the total income will be 4% of her total investment? Scott asked you to make 10 gal. of fruit punch that contains 85% fruit juice by

How much?
How much wood could a wood chuck chuck if a wood chuck could chuck wood? I NEED THE ANSWER ASAP!!

Language Arts
1. Which of the following sentence uses the past tense verb? A. By June, I will have owned the camera shop for a decade. B. After it was sold, I had owned the camera shop for 12 years. C. I cannot recall a time when I have not owned some kind of shop. D. I

COLLEGE CALCULUS HELP
If two resistors with resistances R1 and R2 are connected in parallel, as in the figure below, then the total resistance R, measured in ohms (Ω), is given by 1 R = 1 R1 + 1 R2 . If R1 and R2 are increasing at rates of 0.3 Ω/s and 0.2 Ω/s, respectively,

English
write an essay in which you analyze the importance of plot event and characters actions to the development of the story theme. Note that your essay should focus on the theme first and discuss plot and characters in relation to that theme. Review and

Calculus
Let R be the interior of the circle 4x2 + 4y2 −4x = 0. Evaluate double integral sqrt(x^2+y^2)

Math please check my work
4x(3y)  2x + xy I got 64. Is that right?

Physics Please help!!
A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff

please check my answers!!!
All of the following advances in technology contributed to the Age of Exploration EXCEPT the mariner's compass. circumnavigation. the astrolabe. the caravel. ***

Math please check
p= 3; q=2 2q(p+q)+3pq I got 22

math
600,000=how many ten millons

Math
blank 569 dived by 6 is about 400. what number could blank? Explain

math
3×78=

math
4×93=

math
2/5 + 1/5 = Remember that the denominator always stays the same no matter what.

Biology
Word box : eukaryote, prokaryote, cytoplasm, cell membrane, semipermeable, cytoskeleton, endoplasmic reticulum, ribosomes, Golgi apparatus, vesicle 1. ______ are the site of protein synthesis Ribosomes? 2. When DNA is not surrounded by nuclear membrane the

Biology
Word box : Synthesis, Lysosome, Enzymes, Mitochondrion, Cristae, self replicate, centrioles, nucleus, DNA, nucleolus, mitosis 1. The _____ inside the cell's control center are the instructions for a cell DNA? 2. During ____ the cell divides forming two

math
a scooter is priced between $1000 and $2000. its price is a multiple of 10. All the digits in the price, except for the thousands digit, are even numbers. The value of the hundreds digit is 30 times the value of the tens digit. what is the price of the

Math
Mason is an architect and is drawing the plans for a room addition for a client. If the shape of the room is a cube, what is the volume in cubic feet if the length is 23 ft? A.529 B.1,024 C.12,167 D.32, 768 Is the answer A?

Biology
The name of each job is writte in CAPS. Match each wanted ad to the cell organelle that should be getting that job. Write the name of the job, followed by the name of the organelle 1. Is green your favorite color? Do you like working only with plants? Be a

science
If the solution is saturated at 100 degrees Celsius and then cooled to 30 degrees Celsius, how many grams of solute will precipitate out?

Math
When the cylinder of the answer diameter 60cm rolls at a speed of 5 revolutions per second, moving speed (s What m / min Is Just C pi of the cylindrical the (Ï€) is calculated as 3.14, the first decimal place Please rounding.

U.S. History
What problems did President Taft have with progressives on tariff issues?

Physics
Some nucleus of 74X189 (atomic mass = 188.96191 u) undergoes  decay to become 75X189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process?

English
I really need help on these questions and I don't know if they are correct. Cross out any prepositional phrases. Underline the subject once and the verb/verb phrases twice. 1.) In the spring or summer, I visit our friends for a week. Prepositional phrase:

Math
(3ppq^3)2pq= I got: 6p^2q  2p^2q4 Can it be simplified more?

us history
what was the goal of the alien and sedition acts? a) to stop immigration into the united states b) to decrease the power of president c) to increase the freedom of the press** d) to limit criticisms of the government** please help i am stuck with c and d

math
Write the slopeintercept (y = mx + b) form of the equation from the information given. The line goes through the points (1, 7) and (8, 2) Can someone please help me?

algebra
q = p(r + s), solve for p

Math
An industrial dishwasher takes 4.8 litres of water to wash a full load of dishes. If you were to wash full loads, how much water would you use? I am very confused on how to begin figuring this math problem out. Can you assist?

U.S. History
Explain why President Wilson proposed the establishment of the Federal Reserve System. A: President Wilson proposed the establishment of the Federal Reserve System to restore public confidence in the banking system. The United States had not had a central

Geometry
m

Geometry
m

math
What distance did the car travel if we used 11 gallons of gas to travel the mountains? use a tape diagram to show how you found the miles traveled. I don't know how to solve this question

A.U.D
The 2nd And 4th Term Of A G.P Are 8 And 32 Respectively What Is The Sum Of The First And Four Term

U.S history
Experiences of women and minority groups during World War II. what positive changes did the war bring for women and minorities? in what ways were these games limited by the enduring strength of traditional prejudices? Help?

Math
I don't know if my answer for this question is correct but can you please check? 1.) Between which pair of numbers does the square root of 15 lie? Do without using a calculator. A.) 3.7 and 3.8 B.) 3.8 and 3.9 C.) 3.9 and 4.0 D.) 14 and 16 I think the

math
If 3 people walk around a track, one takes 6 min, one takes 9 min and one takes 12 min. How long til they meet at the start line?

Math Geometry
Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be?

algebra
rewrite the following as a ten numeral

math
Nils has 60 mins for 20 question test. It take 20 min for her to answer 12 questions. What is the greatest amount of time she can take for each of the 8 remaining questions

chemistry help!
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the

Chemistry
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the

Math
How much would you pay for a pint of milk if you bought 5 gallons of milk for $28?