Posts by Jake
Total # Posts: 2,324

math
A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a red marble, then a white marble if the marbles are replaced 1/12 5/36 5/6 5/12 2. Find the probability of choosing 3 blue marbles in a row if the marbles are replaced. 2/11 1/220 1/27 1/64... 
Chemistry
49.0 mL of HClO3 is completely titrated by 68.4 mL of a Sr(OH)2 solution whose concentration is 0.3893 M. What is the molarity of the HClO3 solution? Sr(OH)2 + 2HClO3 = 2H2O + Sr(ClO3)2 
Math
What is the probability of getting an even number when rolling a sixsided number cube? 
maths
Want to say 206 or 10,826 
math
Describe a situation that models a linear pattern and then describe a situation that models a nonlinear pattern. 
Calculus
A function has f''(x) = 10 and has f'(4) = 0 and f(2)= 4. Find f(x). 
math/combination probability
or is it (1/3)^15?? 
math/combination probability
what is the probability of getting all questions right on a 15 question, 3 multiple choice (each) with just guessing? i did 15 C 3 and got 1/455 
Social Studies Help please its a quiz
Dix also joined a growing movement to improve conditions in prisons. Men, women, and children were often crammed together in cold, damp rooms. When food supplies were low, prisoners went hungry—unless they had money to buy meals from jailers. Five out of six people in ... 
S.S help please thank you
oh I didn't put the choices oops sorry A. The Reform Movement drew on ideals of individualism, equality, and salvation. B. In the 1800s, religion had more influence over Americans than the country's established political ideals. C. The Jacksonian era is praised for ... 
S.S help please thank you
I think its D??? 
S.S help please thank you
yes 
S.S help please thank you
Political Origins Religious Influences • The ideals of liberty and equality in the Declaration of Independence inspire people to try to improve society • Second Great Awakening stresses free will rather than predestination • During the Jacksonian era, more ... 
S.S help please thank you
Which of the following best summarizes the information shown in the graphic organizer? (1 point 
math
0.2x0.8 
maths
The speed of light is about 2.99x10^8 m/s. If a rocket travels at onefifth the speed of light, find its speed in km/h (in scientific notation correct to 2 significant figures) 
social studies
please help, i have no clue! they all seem like a good answer to me.. The MacdonaldCartier bridge that stretches the Ottawa River and connects Ontario to Quebec is named for two Canadian politicians, one ______ and one _______. A.English, German B.Inuktitut, French C.French, ... 
Math
It's the ratio of a can. 
Math
The ratio of the cost of a tennis racket to tennis balls is 18:1. If a can of balls cost $5.35, what is the cost of the racket? 
Astronomy
It is hotter than the sun 
Science 6B
BZG Is Correct. 4/4 100%. 
math
2g – 1 = 3g + 6 how do i do this equation? 
Math  algebra
On Day 1 of the state fair, Austin sold 15 handmade stools. On each of the next 9 days, he sold 5 stools. The linear function f(d) can be used to represent the total number of stools Austin sold, where d is the day of the fair. Solve the problems below. The first one is done ... 
Physics
What makes a hydrometer with a spherical bulb good for measuring precise density? What makes this shape better than others? 
Chemistry ASAP please?
Also are a and b correct 
Chemistry ASAP please?
For electromagnetic radiation with a wavelength of 576.3 nm: (a) What is the frequency of the radiation (in s1)? (b) What is the energy (in J) of one photon of the radiation? (c) What is the energy (in kJ) of one mole of photons of the radiation So a I go 5.202x10^14 b)3.... 
PreCalc
If 3x^3+ax^2+3x+2 leaves a remainder of 4 on division by (3x1), find a. 
friction
7 8 9 10 
science
Bison, Zebra, and kangaroos have similar ecological niches but cannot be shown in the same food web, why? (doesn't mater where they live) 
gr. 9 Sience
5 foods that contain the high energy products of photosynthesis 
Socioloy
Why is the 1970s considered to be a decade of change for the American media? 
PreCalc
The “Hatch Shell” in Boston has the arch with semielliptical form with a horizontal major axis. The base of the arch is 110foot long and the highest part of the arch is 40 feet above the scene. Find the height of the arch of the “Hatch Shell” 33 feet away... 
Geography
I think it is C but I'm not sure 
Geography
South American region 
Geography
All of the following are the result of the increase in largescale, green revolution agriculture in the region, except: A. more than 2 million small farmers have been forced to sell their land in Brazil alone since 1985. B. there has been an increase in poor farmers heading to... 
SS
4. Which of the following statements best summarizes Washington viewpoint on American foreign policy 
math
what is a description of the ratio 52:12 
Math
The area of a football field is 57600 square feet what is the area in square yards? 
Language arts
I Dont know how to really sum this up 
Language arts
Consider this line from “Two Kinds”: For unlike my mother, I did not believe I could be anything I wanted to be. I could only be me. In a paragraph, explain how those words describe the conflict between the daughter and her mother. Is there a winner in the conflict? ... 
Physics
Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly unrealistic). a) What is the electric current density associated with the flow of these ions? b) What is the electric current in the pipe? 
Physics
An electric filament can heat 200 cm^3 of water from 5°C to 95°C in 6 minutes. If the voltage source is a 12 V battery, how much current does it draw? 
math/statistics
From a shipment of 70 transistors, 4 of which are defective, a sample of 5 transistors is selected at random. 
Algebra Equation
70 is the sum of 22 and Mabel's height. 
US Government
Thank you! 
US Government
The President can choose to get rid of democracy. A) True B) False (the correct answer?) 
Washington state history
ok thanks 
Washington state history
please help. Which industries remain as important to Washington’s economy today as in the 1800s? Select all that apply. A.biotech B.entertainment C.forestry D.mining E.software development F.tourism 
washington state his
thank you 
washington state his
c 
washington state his
please help. Which of the following best identifies how Washington’s economy changed overall after World War II? A.It scaled back agricultural production. B.It shut down most manufacturing operations. C.Its activities became more diverse. D.Its dependence on foreign trade... 
Math
The length of a rectangle is 5 meters more than twice the width, and the area of a rectangle is 42 square meters. Find the length and width of the rectangle. 
Math
At the city museum, child admission is $5.40 and adult admission is $9.30. On Friday, 134 tickets were sold for a total of $957.60. How many adult tickets were sold that day? 
physic
Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Sample 2, Original Length 250 mm and 14 mm Diameter, Length after testing 250.21 mm the force used for the test was 15KN 1. Calculate the Stress and Strain ... 
chemistery
explain the progress of the reaction in terms of kinetic energy explain how various factor affect the rate of reaction 
math
not a good answer are u kidding me 
Math calculus
a cylindrical vat must hold 5m^3, the vat must be wider than it is tall, but no more than 3 m in diameter. What dimensions will use the least amount of material? 
Science
If a 1 tonne car travels at 16.7 m/s (60km/h) then it would have a momentum of 
Language Arts 7
ITS NOT Cbbbbb you just made me fail as holes 
Social studies
To what extent should canadians try to stop human rights abuse in other countries today? 
Chemistry
what is the oxidation number of Carbon in C6H12? thank you! 
Art Help Just a little
Yes the answer is 100% correct 
Art Help Just a little
Lets hope this answer is right if not i will correct it. 
science
what is the molar ratio between barium hydroxide and potassium hydrogen phthalate if they were reacted together in an acid base titration 
math
Find the exact values for the lengths of the labeled segments a, b and p. Note that r=3 is the radius of the circle, and s=2 is the arc length from the point (3,0) around the circle to the indicated point. 
Johnson
A perimeter of EFGH is 100cm.what is the length of side FE? 
reading
Like the main events 
reading
Well she said it didn't made sense and didn't had important parts about the chapter. 
reading
Sorry for the misunderstanding what i meant is what are important parts to put in the summary because i read the book and did the summary but my teacher said it was bad. 
reading
What is a summary for chapter 2 slam by Walter dean Myers 
Math
There are two triangles for which A=30?,a=5,and b=8 The larger one has c= ? and the smaller one has c= ? 
Simple interest
Charlotte borrows $9000 over 5 years to buy a second hand car. The loan must be repaid over 5 years at 12% p.a. simple interest calculate the monthly repayment if the payments are spread equally over the 5 years. 
physics
An alpha particle (charge = +2.0e) is sent at high speed toward a gold nucleus (charge = +79e). What is the electric force acting on the alpha particle when the alpha particle is 3.3 ? 1014 m from the gold nucleus? 
Chemistry
If you wanted to create a equimolar buffer using 1.0 mol of NaHS in 1.0L of water what acid would you need to add? how many moles of that acid do you need to add? 
unit 1 lesson 13 the human body
does any one know the answers for the unit 1 lesson 13 quize for cathalena ward 
Science
correct answers has correct answers. (100%) hahah 
Social studies
did u ever do it? 
MATHS
The quadratic function f(x) has roots at x=4 and x=2 and has value of 2 at x=0. Does f(x) have a minimum or maximum? Find the value of the /minimum/maximum value of f(x). 
physics
A long straight vertical wire of diameter 2.0mm carries a steady current upwards. At 30mm from the centre of the wire, the magnetic field strength is 0.10mT. Sketch a graph to show the variation of magnetic field strength from the wire surface to a distance of 40mm from the ... 
physics
An unstable nucleus with a mass of 18.0 ? 1027 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.0 ? 1027 kg, moves along the positive yaxis with a speed of 9.0 ? 106 m/s. Another particle, of mass 7.4 ? 1027 kg, moves along the ... 
physics
Two cars (A and B) of mass 1.1 kg collide. Car A is initially moving at 18 m/s, and car B is initially moving in the opposite direction with a speed of 9 m/s. The two cars are moving along a straight line before and after the collision. (Enter the magnitudes.) If the two cars ... 
physics
How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything? 
physical science
How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything? 
Math
How many 4/5foot planks can be cut from a board which is 12 feet long? 
math
If a jet flies at a speed of 600 km/h, how many meters does it fly in 10 seconds? There are 1000 meters in 1 km 
Math
you guys are just a peacie of it spam omg you guys can get sewed and everything .l 
hypothesis
Because it is just an idea that has to be proven to know that it is true. 
hypothesis
Here is google definition for Hypothesis a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation. 
Geography
Search google there is many examples of link canals. 
geometry
Look at the questions that were previously answered below I think they will help you solve this. 
Math fractions
Multiply both of the fractions to make the denominators the same. For example 2/3 *4/4 and 3/4 * 3/3. 
science
Which one do you think will help protect the environment? I would discard 1 and 4. 
Calculas
(x?¹1) / x1 
Calculas
lim (x?¹1)?x1 as x approaches 1. I know the answer is 1 but I am not sure how to solve the numerator x?¹1. 
Algebra
i dont know 
Science
well i was hoping someone could some how paste the questions in cause i cant seem to copy from the assessment 
Science
lesson 9: energy and the environment unit test science 8 A Unit 4: Energy and the environment Please HELPPPPPP!!!!!!! 
calculus
find the maximum and minimum value of the function f(x)= xx^3 on the interval [2,2] I also need help with this question What is the largest possible product of two negative number whose sum is 1? 
Physics
5. If a wave has a wavelength of 20m and a speed of 100 m/s, what is the period of the oscillation? v = wavelength / period 100 = 20 / period 100*20 = periodperiod = 20 / 100 2000 s = period OR period = 20 / 100 period = 0.2 s I don't know which one is correct, please help?! 
Physics
1. A rectangular coil 0.065 m by 0.080 m is positioned so that its crosssectional area is perpendicular to the direction of a magnetic field. The coil has 66 turns and a total resistance of 7.6 ? and the field decreases at a rate of 2.5 T/s. What is the magnitude of the ...