Thursday
June 30, 2016

Posts by Mike

Total # Posts: 3,597

Chemistry
Well at least I don't feel so bad for not being able to figure out the problem. Thanks for your help!
June 26, 2016

Chemistry
It is not stated. The above question is all the information given.
June 26, 2016

Chemistry
Sorry, I have been stuck on this question. I would appreciate if someone could help me out. Approx how many mL of 0.25M BaCl2 solution would be required to precipitate all the sulfate if we assume the sample is pure sodium sulfate? Assume that the density of the barium ...
June 26, 2016

Math
Can you help me with this calculation, if instead of paying $124K in four equal annual installments we pay this amount up front what would be PV ?
June 23, 2016

Physics
One ball has 7 times the mass and twice the speed of another. 1. How does the momentum of the more massive ball compare to the momentum of the less massive one? Find the ratio of the momenta. 2. How does the kinetic energy of the more massive ball compare to the kinetic energy...
June 18, 2016

Physics
A 5.00-kg object is attached to one end of a horizontal spring that has a negligible mass and a spring constant of 420 N/m. The other end of the spring is fixed to a wall. The spring is compressed by 10.0 cm from its equilibrium position and released from rest. Question: What ...
June 16, 2016

Physics
A 37.0-kg crate rests on a level floor. A horizontal force of 50.0 N accelerates the crate at 1.00 m/s2. Calculate the frictional force on the crate. Calculate the coefficient of kinetic friction between the crate and the floor. I got the normal force, 363 N. Now just need ...
June 11, 2016

Physics
Mike wants to make a free throw; he realizes that if the ball is exactly 20cm above the hoop as it hits the backboard at the top of its trajectory, it will go in. The free throw line is 4.5 m from the plane of the backboard and the hoop is 3 meters from the ground, Mike throws...
June 9, 2016

Physics
Question 1: Dan is pulling on his dog’s leash, the dog is pulling with 40N of force and Dan is pulling with 50N of force, how fast are they going after 2 seconds? Question 2: If you want to throw a rock 50m with a 1 m sling, what frequency do you need to rotate the swing ...
June 9, 2016

Math
You decide to buy a 60 in plasma TV. You borrow $4300 from the electronics store at1.8% per month simple interest, with no payments due for 2 years from the date of purchase. How much will you owe on the loan after 15 months?
June 6, 2016

Physics
A dart is thrown at a dartboard 3.90 m away. When the dart is released at the same height as the center of the dartboard, it hits the center in 0.555 s At what angle relative to the floor was the dart thrown?
June 6, 2016

Physics
A dart is thrown at a dartboard 3.90 m away. When the dart is released at the same height as the center of the dartboard, it hits the center in 0.555
June 6, 2016

Earth Science
Why are boats more efficient than airplanes? They use less fossil fuels to move
June 4, 2016

math
To avoid a pond, Tom must walk 10 meters south and 24 meters east. To the nearest meter, how many meters would be saved if it were possible to walk through the pond? 10^2 + 24^2 = C^2 100 + 576 + C^2 C^2 = 676 C^2 = SQRT of 676 or 26 meters Not sure how to solve. I thought ...
June 4, 2016

math
To avoid a pond, Tom must walk 10 meters south and 24 meters east. To the nearest meter, how many meters would be saved if it were possible to walk through the pond? 10^2 + 24^2 = C^2 100 + 576 + C^2 C^2 = 676 C^2 = SQRT of 676 or 26 meters
June 4, 2016

Math
A 104 ft. ladder is leaned against a wall. If the base of the ladder is 40 ft. from the wall, how high up the wall will the ladder reach? 104ft.^2 + b^2 = 40ft.^2 10,816 + b^2 = 1,600 0 + b^2 = 10,816 - 1,600 = 9,216 C^2 = SQRT of 9,216 or 96ft.
June 4, 2016

math
A 104 ft. ladder is leaned against a wall. If the base of the ladder is 40 ft. from the wall, how high up the wall will the ladder reach? 104ft.^2 + b^2 = 40ft.^2 10,816 + b^2 = 1,600 0 + b^2 = 10,816 - 1,600 = 9,216 C^2 = SQRT of 9,216 or 96ft.
June 3, 2016

math
You are correct D.M=14
June 2, 2016

Math Please Help Quick
The probability of winning a game is 20%. If you play 20 times, how many times should you expect to win?
June 2, 2016

math
I need help solving this math problem I am so lost when it comes to these problems. Which is the difference of 25 1/8 - 12 3/4
June 1, 2016

mathss
a, b, c, d, e, f, and h are numbers such that a × b × c = 100, a × d × e = 0 and b × f × h = 0. Which of the following could be true?
May 30, 2016

Calculus
Solve the differential equation dy/dx = √[(x^3)(y)] with initial conditions x = 1, y = 2 so far i got y = (x^5)/25 + c so do i plug in 2 = (1^5)/25 + c 2 - (1/25) = c c = 49/25 = 1.96 is this correct?
May 26, 2016

Math
the larger of two numbers is three times the smaller number, and their difference id 34. find the two numbers.
May 25, 2016

physics
Suppose the stone is thrown at an angle of 40.0° below the horizontal from the same building (h = 42.0m) as in the example above. If it strikes the ground 36.7 m away, find the following. (Hint: For part (a), use the equation for the x-displacement to eliminate v0t from ...
May 20, 2016

Organic Chemistry
I'm sorry, of the product: Iron-salicylate complex.
May 20, 2016

Organic Chemistry
What volumes of 0.00250M salicylic acid solution and 0.1M ferric chloride solution would you need to make 50mL of a 0.00350M solution?
May 20, 2016

English
Thank you.
May 19, 2016

English
Identify the sentence in which the underlined verb does not agree with its subject. Everyone on the team (works) together well. Both of them (are looking) forward to the field trip. Neither of the boys is (excited) about playing football. One of the girls (are) going to enter...
May 19, 2016

English/Language Arts
Thank you
May 19, 2016

English/Language Arts
On a Works Cited page, which of the following should be in italics? title of a book************** title of a webpage title of a short story title of a newspaper article
May 19, 2016

English/Language Arts
C does not have a period at the end
May 19, 2016

English/Language Arts
Which of the following parenthetical citations is placed and punctuated correctly? A)The only casualty on Lewis and Clark's trip died from appendicitis (Davis 104). B)(Davis, 104) Kenneth Davis explains that the only casualty on Lewis and Clark's trip died from ...
May 19, 2016

English/Language Arts
Thank you Reed
May 19, 2016

English/Language Arts
A _____ includes all the works a writer used in the actual report, including direct quotes. footnote bibliography Works Cited page********** parenthetical citation
May 19, 2016

English
You are correct its a metaphor
May 19, 2016

English
How does the boldness Odysseus shows in the Cyclops’s cave drive subsequent plot events? A)Several of Odysseus’s men are eaten. B)Odysseus and his men spend the night in the Cyclops’s cave. C)Odysseus gives the Cyclops wine to drink. D)Odysseus and his men ...
May 18, 2016

English
tyvm
May 18, 2016

English
Read the following quote from Betty Bonham Lies’s retelling of the myth of Orpheus and Eurydice. When Orpheus made music, all the world stopped to listen. Wild beasts drew near him, so entranced they put aside their fierceness. Trees gathered around to hear his beautiful...
May 18, 2016

calculus
how did you get 4x^2-7x-10?
May 18, 2016

calculus
use logarithmic differentiation to find dy/dx for: [(x^2)(e^2)(x)] / [3√(2x-5)]
May 18, 2016

Ms Sue Please
ok thanks my question is in Science. Thanks you. I'm sorry I thought I had done something to you <3
May 17, 2016

Ms Sue Please
Why are my questions always skipped?
May 17, 2016

Science
Suppose the velocity of a car is 10 m/s at t = 0 s, and is 20 m/s at t = 30 s. Which of the following must be true? The car had a positive instantaneous velocity in the interval. The car had a positive instantaneous acceleration at each moment in the interval. The car had a ...
May 17, 2016

Economics
Checking to see if I got these right. The ones I selected are marked with an * 1. The price paid for the use of capital is called (Points : 1) mortgage payment. rent. profit. wages. *interest. 2. Capital consists of (Points : 1) stocks and bonds. the assets of the government...
May 15, 2016

Macroeconomics
Checking to see if I got these right. The ones I selected are marked with an * 1. The price paid for the use of capital is called (Points : 1) mortgage payment. rent. profit. wages. *interest. 2. Capital consists of (Points : 1) stocks and bonds. the assets of the government...
May 15, 2016

Math
The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour? about 3.11 hours********* 140 hours about 5.14 hours 393....
May 11, 2016

Math
How many real-number solutions does the equation have? –7x2 + 6x + 3 = 0 one solution two solutions*********** no solutions infinitely many solutions
May 11, 2016

Math
why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
May 10, 2016

Math
Historically, why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
May 10, 2016

Geometry
Historically, why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
May 10, 2016

physics
a box (mass = 12 kg ) is going south at 12 m/s. A second box (mass = 18 kg ) is going northwest at 15 m/s. they collide and stick together. what is their common velocity (magnitude and direction ) after the collision
May 9, 2016

calculus
slideplayer(dot)com / slide / 7373773 slide 5 Care: they're working with 0.9rad/min
May 9, 2016

Math
I am completely lost on this one. How do I figure out what each letter stands for? Find all the solutions for this problem. each different letter stands for a different digit. letters that are the same stand for the same digit. ONE + ONE = TWO
May 6, 2016

stat
A nurse at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be​ 90% confident that the mean is within 3 ounces of the sample​ mean? The standard deviation of the birth weghts is known to ...
May 5, 2016

Algebra
what is the domain function y=√3x+3 The sqrt sign goes over the 3x+3 can someone show me how to do this problem?
May 4, 2016

Math
Steve can you help me please i posted a ?
May 4, 2016

Algebra
a painter leans a 25 foot ladder against a building. The distance from the ground to the top of the ladder is 17 feet more than the distance from the building to the base of the ladder. Find the distance from the building to the base of the ladder and the distance from the ...
May 3, 2016

chem
If a solution initially contains (9.5x10^-2) M of HC2H3O2, (and no H3O+ or C2H3O2– ),what is the equilibrium concentration of H3O+ (aq) in the mixture?
May 1, 2016

Life orientation grade 12
l need answers please
April 30, 2016

Math, please help
Write a real world situation that can be represented by the expression 8(t - 3). Tell what the variable represents then give a value for t and evaluate the expression.
April 25, 2016

Math
Scores on the LSAT are approximately normally distributed. In fact, published reports indicate that approximately 40 percent of all test takers score at or between 145 and 155, and about 70 percent score at or between 140 and 160. The full range of scores is 60 pts (120–...
April 24, 2016

Math
Scores on the LSAT are approximately normally distributed. In fact, published reports indicate that approximately 40 percent of all test takers score at or between 145 and 155, and about 70 percent score at or between 140 and 160. The full range of scores is 60 pts (120–...
April 24, 2016

I have a question[math]
3/4 is bigger because 0.75 is the greater number out of them all!
April 19, 2016

Math
Order fractions from greatest to least. 1/10, 3/5, 1/4
April 19, 2016

Math
The equation would be 16 + 25 = x and you solve the equation by adding 16 and 15 together which gives you 41!
April 19, 2016

math
Mike was bored so he played with some colored blocks arranging them in a role he put 1 block in the first row 2 blocks in the second roll, 4 blocks and the third row and 8 blocks in the fourth row. If this pattern continues, how many blocks will Mike put in the 17th roll?
April 19, 2016

Math
If the perimeter of the rectangle is 120 units, then that means each side added together equals 120 which is 120 divided by 4 which gives you 30. Now to find the area, all you have to do is multiply the length and the width which is 30 x 30 which gives you 90 square units.
April 19, 2016

Chemistry 101
Write the molecular, total ionic, and net ionic, for the reaction. 1). Aqueous sodium carbonate is reacted with aqueous nickle (11) chloride. 2). Aqueous potassium hydroxide is mixed with aqueous hydrochloric acid.
April 17, 2016

7th grade math
Thank you so much Neko!!
April 12, 2016

7th grade math
Neko, Can you please show me how you got the answer?
April 12, 2016

7th grade math
Crystal made a bag of trail mix peanuts, raisins, and chocloate chips in the ratio of peanuts:raisins:chocolate chips = 5:3:2. There are 150 raisins in the trail mix. How many peanuts and chocolate chips are in the trail mix?
April 12, 2016

Science
A rectangular piece of wood measuring 20cm by 5cm by 3cm weighs 900kg.Find the greatest pressure the piece of wood can exert if placed on a table.
March 28, 2016

calc. 1
You are designing a poster with area 625cm^2 to contain a printing area having margins of 1cm at the top and bottom and 5cm on the sides. Find the largest possible printing area. Round your answer to the nearest four decimal place. I am aware that i should recognize that area ...
March 24, 2016

PED
I have a quiz and want to check them out to see if I got them correct: Question 1. When is it considered safe to provide both positive and negative examples of performance to students? (Points : 1) when the learners understand the skill when the learners have practiced the ...
March 17, 2016

math
Abel, Belle, And Cindy have $408 altogether. Belle has $7 more than Cindy and $5 more than Abel. How much does Abel have?
March 17, 2016

Math
I have a moving truck that gets 12 klms per gallon how car would you go on a 40g tank
March 14, 2016

Algebra
a certain recipe asks for ¼ of granola. how much is needed to make ¾ of a recipe?
March 13, 2016

Physics
Devise the series or parallel combination of 2 capacitances from the E6 series that gives the closest match to the capacitance 1.14 μF. Indicate the percentage error between the desired value and the value you obtain.
March 10, 2016

Algebra
Factor 10w2−19w−15 10w2−19w−15 =(5w+3)(2w−5)
March 9, 2016

English
Read Capulet’s speech from Act IV, scene 2 , as he plans for the wedding: Tush , I will stir about , And all things shall be well , I warrant thee , wife: Go thou to Juliet , help to deck up her; I’ll not to bed to- night ; let me alone; I’ll play the housewife ...
March 9, 2016

Algebra
Which of the following functions has a rate of change that stays the same? A)y = x2 – 5x –14 B)y = 19x – 10 C)y = 5x *********** D)y = 0.03x2 + 11x + 1
March 7, 2016

PT1420
for x=0 to 5 display x end for
February 29, 2016

Algebra
2) n = 8
February 25, 2016

Algebra
2) n =2 3) p= -4 4) b = -17 Thank you so much Ms. Sue
February 25, 2016

Algebra
Can anyone help me to solve this please: 1) m/16 - 9 = -8 2) -9 + n/4 = -7 3) p/4 + 8 = 7 4) b + 11/3 = -2
February 25, 2016

accounting
Net income is $44,400. Administrative expenses are $5,500 and selling expenses is $3,700. Cost of merchandise sold is $27,800. How much is sales, assuming no returns or discounts?
February 24, 2016

accounting
Net income is $32,400. Administrative expenses are $11,800 and selling expenses are $7,200. Cost of merchandise sold is $61,100. How much is gross profit?
February 24, 2016

prealgebra
a local pool charges a $6 sign up fee plus $2 per visit as as summer special. Another pool runs a summer special that only charges $3 per visit. Write a system of equations to represent this situation. Is it 6+ 2x=y 3x=y
February 23, 2016

Earth Science
Why are there so many different species on Earth today?
February 22, 2016

Finance
If you borrow $25,500 for 18 months at the rate of 9% compounded monthly, how much must you repay at the end of the 18 months?
February 19, 2016

math
f(x)=5x^2-3x+1 A. f(0) B. f(-4) C. f(2)
February 19, 2016

math
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus
February 19, 2016

CHEMISTRY HELP
Calculate the amount (in mL) of 1.520M NaOH that is required to add the following acetic acid solution to prepare a buffer with the corresponding pH: 30.00mL of a 5.00% (w/v%) acetic acid; the resulting acetate buffer has a pH of 5.75. pKa of acetic acid = 4.74 So I got this: ...
February 19, 2016

Math
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus
February 18, 2016

Math
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus
February 18, 2016

English
I answered True and I got it right thanks for your help
February 16, 2016

English
This is for Romeo and Juliet
February 16, 2016

English
True or false: Shakespeare’s works were written to be performed on stage. true************* false
February 16, 2016

SOC 203 Quiz Help
Question 1. ALL BUT ONE of the following types of violence occurs because of gender inequality, according to Feminist theory: (Points : 1) rape intimate partner abuse sibling abuse x workplace violence Question 2. Which of the following is one of the ABCs of deviance? (Points...
February 14, 2016

Cal
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=1/x^2, y=0, x=4, x=5; about y=−2
February 12, 2016

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