Tuesday
December 6, 2016

Posts by MIchael

Total # Posts: 1,944

social studies
and second of all you can not talk to me like that.
November 29, 2016

social studies
first of all I was not talking about 2. I was talking about 4.
November 29, 2016

social studies
d?
November 29, 2016

social studies
means
November 29, 2016

social studies
ok i know what involuntary
November 29, 2016

social studies
hellooooo?!
November 29, 2016

social studies
kinda?
November 29, 2016

social studies
1) BLANK are people who move into one country from another. A) Emigrants B) Immigrants C)Urbanites D) Nomads 2. One of the largest involuntary migrations in history was the transatlantic A) Irish migration. B) immigrant wave. C) slave trade. D) migration of Hindus from ...
November 29, 2016

Maths
In a triangle with angles ?,?,? and opposite sides a, b, c you are given: ?=35°, ?=100°, b=40. Find all missing lengths and angles as well as the area correct to 1 decimal place.
November 18, 2016

maths
The level of oil in a bottle is at the 1/2-mark. More oil is poured in until it is at the 7/8- mark. What fraction of the bottle is occupied by the additional amount of oil. Pls show all working.
November 16, 2016

chemistry
arrangement of the following gas molecule in their increasing average speed at the same temperature. O2, N2, H2O,CO2,NO2 and Cl2
November 6, 2016

maths
Consider the 4 points A(1,5), B(-4,6), C(0,0), D(-12,12). Find the gradients of the lines: (a) BD
November 3, 2016

Math
it maybe 3,5,15,105
November 2, 2016

URGENT ANY PhYSIcs teacher help thouroighly pls
The coefficiant of friction between rubber tires and wet pavement is 0.5. Breaks are alllied to a 750kg car, intitally travelling at 30 m/s and the car skids to a stop. What is the magnitude and direction of the acceleration. Ik the magnitude and i kinda get how to do the ...
October 31, 2016

physics
A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40. (b) Work out and add the numerical values of ...
October 30, 2016

Physics
A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40. (b) Work out and add the numerical values of ...
October 30, 2016

PHYSICS
A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40. (b) Work out and add the numerical values of ...
October 30, 2016

maths
By making the substitution u=ln x show that the following equation has exactly one real-number solution: -12/ln x + ln x^4 = -9
October 25, 2016

maths
(a) Let u=7^x. Using the rules for powers show that i) 7^x-1 = u/7 and ii) 7^2x-1 = u^2/7 (b) By making the substitution u=7^x and using part (a), derive a hidden quadratic equation 7^2x-1 +4×7^x-1 - 1/14 = 0 and hence find all solutions to the above equation.
October 25, 2016

maths
(a) Solve the following equations for x where possible, giving your solutions correct to three decimal places. (i) 3^x+1 -1=5 (ii) 3×4^x =4×4^1-2x (b) Confirm that any solutions you found in part (a) are (approximately) correct by sub-situiting into the original ...
October 25, 2016

maths
Write down the sum and product of the roots of the following quadratic polynomials: (a) 3x^2 - 6x - 7 (b) 3x^2 + 6x + 7
October 25, 2016

maths
Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28/3x + 49/9 = 0
October 25, 2016

maths
Solve the simultaneous questions: (a) x+y+z=-3 (1) x-y-2z=13(2) y-4z=25 (3) (b) x+2y+3z=-14 (1) 2x+3y-z=13 (2) 3x-y+2z=-7 (3)
October 25, 2016

maths
1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3. Solve each equation ...
October 25, 2016

maths
Write down the sum and product of the roots of the following quadratic polynomials: (a) 3x^2 - 6x - 7 (b) 3x^2 + 6x + 7
October 24, 2016

maths
Determine the nature of the roots of the following quadratic equations: (a) 3x^2 - 6x + 7 = 0 (b) 3x^2 + 6x - 7 = 0 (c) -5x^2- x/5 = 0 (d) 4x^2 - 28/3x + 49/9 = 0
October 24, 2016

maths
Solve the simultaneous questions: (a) x+y+z=-3 (1) x-y-2z=13 (2) y-4z=25 (3) (b)x+2y+3z=-14 (1) 2x+3y-z=13 (2) 3x-y+2z=-7 (3)
October 24, 2016

maths
1a) Solve the each of these equations by factorising the left hand side into a product of linear factors: (i) x^2 - 6x - 40 = 0 (ii) 3x^2 + 20x - 7 = 0 (b) For each question in part (a), check your solutions by substituting them back into the equation. 3. Solve each equation ...
October 24, 2016

history
Article I, Section 8 of the U.S. Constitution grants Congress the power to do all of the following EXCEPT ____.
October 11, 2016

Jefferson
A car is traveling at 40 miles per hour. Write a rational expression that gives the time that it takes the car to travel Upper M miles.
October 10, 2016

Math
How do I arrange these in order from the smallest to greatest 5/6, 7/12, 5/8, 23/48
October 7, 2016

Algebra
Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.
September 30, 2016

Algebra
Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.
September 30, 2016

Algebra
Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.
September 29, 2016

Algebra
Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.
September 28, 2016

Algebra
Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.
September 28, 2016

math
each student needs 2/5 of a cup of play dough to build a house. How many cups of play dough are needed for 9 students?
September 22, 2016

science
how much force is needed to accelerate a 7.1 kg skier at 4 m/s/s?
September 13, 2016

Government
1. Which of the following is true about the formal amendment process for the Constitution? A. Only citizen may propose an amendment. B. Only Congress may propose an amendment. C. Both houses of Congress may pass a resolution to propose an amendment. D. The president can Vito ...
September 12, 2016

Geometry
Do you go to Connections academy in the 10 th
September 6, 2016

American government
That's your problem. Get your own amswers and stop trying to cheat.
September 1, 2016

math
Indira reacts that the actual difference of 19-7.82 will be greater than the estimate of 19-8=11.Is Indira correct?Explain how Indira might have arrived at the prediction without subtracting the actual numbers.
August 24, 2016

English
Robert Borden
August 12, 2016

6
The pet store aquarium holds 32 fish. Today 13 angelfish and 19 are clownfish to the total number of fish in the aquarium
August 8, 2016

Calculus AB
A rectangle is inscribed in a right triangle with legs of length 5 and 12. The sides of the rectangle are parallel to the legs of he triangle. Find the dimensions of the rectangle that has the largest area?
July 30, 2016

Calculus AB
A 5.5 foot man walks away from a 12 fokt lampost at a constant speed. At a given moment, let l be the length of the man's shadow (along the ground) and ket x be his distance from the lampost. Sketch a figure that represents the problem Express l in terms of x
July 30, 2016

Calculus AB
The height h of a closed cylindical tank is 4 times longer than he radius r. Write the volume of the tank as a function of r. Write the total surface area of the tank in terms of h.
July 30, 2016

Calculus AB
Water pours at a constant rate into a conical tank of height 10 feet and radius 4 feet. Let V, h and r be the volume, height, and radius if the water in the tank at a particular time t. Express the volume of the water in the tank at any time t as a function of h only.
July 30, 2016

Calculus AB
Let f be the function that is given by f(x)=(ax+b)/(x^2 - c). It has the following properties: 1) The graph of f is symmetrical with respect to the y-axis 2) The graph of f has a vertical asymptote at x=2 3) The graph of f passes through the point (-1,3) Determine the values ...
July 30, 2016

Calculus AB
Theta is an angle between the lines L1 and L2 with the slopes m1 and m2. Prove that tan theta= (m2 - m1)/(1+m2m1).
July 30, 2016

Calculus AB
If r and s are roots of the pokynomial equation x^2 + bx + c, show that b=-(r+s) and c=rs
July 30, 2016

Calculus AB
Solve graphically (x-2)^3(x+4)(3-x)^2(x+1)^4 <0
July 30, 2016

Calculus AB
A hiker walks due east for 40 minutes, then changes course by going South 25 degrees West. After 20 minutes, he changes course again, this time at South 75 degrees East. He goes through this path for one hour after which he heads north reaching his final destination in 15 ...
July 30, 2016

Calculus AB
One of the equal angles of an isosceles triangle is 55 degrees. If the base is 20 cm, what is the perimeter and the area?
July 30, 2016

Calculus AB
Thanks a bunch. And I got 4.967 meters as the final answer based off of what you gave me.
July 30, 2016

Calculus AB
From a height of 10 meters in the third floor of an apparent that building, the angle of depression of two cars moving on the same lane and in the same lane and in the same direction measure 29.5 degrees and 38.2 degrees. How far are the two cars from each other? This ...
July 30, 2016

Calculus AB
What is an algebraic expression for cot(arccos ((x+1)/2)?
July 30, 2016

Calculus AB
Without using a calculator, what is the exact value of sec(arctan(12/5)) - sin(arccot(3/4))
July 30, 2016

Math CSET
A student scores 96 on a test. The class average is 84, with a standard deviation of 4 points. What percentage of the class scored below this student? I understand the 96-84/4 part to obtain a z-score of 3. What I do not understand is, if I do not have access to a z-score to ...
July 21, 2016

Maths
if a spinner is divided into 6 equal parts ,when it's spun, what is the probability of spinning on 4?
July 13, 2016

Physics
You jump across and down a crevasse from rest. You land on the other side at a speed of 10.5 m/s directed 67.6° below the horizontal. The other side is 4 meters lower. How wide was the crevasse? No Idea if I am doing this right. But so far what I done was 10.5Sin(67.6...
July 5, 2016

Physics
You jump across and down a crevasse from rest. You land on the other side at a speed of 10.5 m/s directed 67.6° below the horizontal. The other side is 4 meters lower. How wide was the crevasse? No Idea if I am doing this right. But so far what I done was 10.5Sin(67.6...
July 5, 2016

physics
one cubic meter of water hass a mass of 1.0x10^-3. (a) determine the mass of 1.0 m^3. (b) assu!ing biological substance are 98% water, estimate the mass of cell with a 1.0 micrometer dia!eter, a human kidney and a fly. assume a kidney is roughly a sphere with radius of 4.0 cm...
June 18, 2016

Physics
16.8seconds
June 12, 2016

Physics
16.8mm
June 12, 2016

Physics
A 10 kg block is towed at a 30° incline with respect to the horizontal the rope is parallel to the incline and has attention 100 N assume that the block starts from rest at the bottom of the hill and neglect friction how fast is the block moving after 40 m up the hill
June 8, 2016

pre-algebra
yes
May 24, 2016

pre-algebra
is (-1, 5) a solution to 2 x = y - 7 and 2 y = - x + 9
May 24, 2016

IT
why is system Burn-in important?
May 15, 2016

math
Find dy/dx and d2y/dx2. x = e^t, y = te^t
May 2, 2016

Life orientation
Describe the three human rights violations
April 17, 2016

English
As the world influence shift so will the language. To teach a language is to aid communication between individuals. Its not whether there is a right or wrong. For example there can be a mathematical language with its own vocabulary that allows mathematicians to communicate ...
April 14, 2016

social studies
What they are referring to is the battle at the Alamo which is in San Antonio TX. During this time a 100 Texas soldiers fought against approximately 1,500 Mexican soldiers. The did loose however after 10 DAYS, they had killed or injured more then 600 Mexican Soldiers. From ...
April 14, 2016

PHYSICS
please show step by step!
April 14, 2016

PHYSICS
Point A is 2.0 meters away from a charge of -3.o(Mu) and 3.0 meters away from a charge of +1.5(Mu) as shown. A) Find the net Electric field at point A B) Find the total electric potential at point A Answer This Question
April 14, 2016

Physics
A 1.4 kg box that is sliding on a frictionless surface with a speed of 10 m/s approaches a horizontal spring. The spring has a spring constant of 2000 N/m. (a) How far will the spring be compressed in stopping the box? (b) How far will the spring be compressed when the box'...
April 10, 2016

factoring polynomiald
8b(2power)+ 6b +1=
April 10, 2016

science:chemistry
magnesium trioxocarbonate (IV) decomposed according to the equation MgCO3(s) -MgO2(s) + CO2(g).if 6.0g of magnesium trioxocarbonate (IV) is completely decomposed ,calculate :i. the mass of carbon (IV) oxide produced
April 6, 2016

Physical science 7th grade
What is the internal structure of the cavefish and the minnow suggest common ancestry?
April 2, 2016

He
which organ is part of both the respiratory and digestive systems
April 1, 2016

Health
the main parts of the central nervous system consist of the brain and the
April 1, 2016

Health
why does the blood returning to the heart have very little oxygen in it
April 1, 2016

Math
If the ratio of red cars to Blue Cars is 3 to 5 and there are 55 blue cars how many red cars are there?
March 30, 2016

owens
i need help in writing an essay for more details- bit.ly/21OERpv written in APA style
March 29, 2016

Check My Answer! :)
What is the surface area of the square pyramid if the altitude is 4 cm, the length is 6 cm, and the height is 5 cm? a. 48 cm^2 b. 144 cm^2 c. 156 cm^2 d. 96 cm^2 i think the answer is 144 cm^2. Please show me how you did the work so then i know that i at least got partial ...
March 29, 2016

Chemistry
What is the total mass of KNO3 that must be dissolved in 50 g of water at 60 degree C to make a saturated solution?
March 22, 2016

mathematics
A train takes 5mins to cover a distance of 3km between two stations P and Q. Starting from rest at P, it accelerates at a constant rate to a speed of 40km per hour and maintains this speed until it is uniformly brought to rest at Q. If the train takes three times as long to ...
March 14, 2016

Inorganic Chemistry
In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH)2 was added to 70.0 mL of 0.680 M HCl. The reaction caused the temperature of the solution to rise from 22.00 °C to 26.63 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4....
March 11, 2016

Inorganic Chemistry
In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH)2 was added to 70.0 mL of 0.680 M HCl. The reaction caused the temperature of the solution to rise from 22.00 °C to 26.63 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4....
March 11, 2016

Inorganic Chemistry
A researcher studying the nutritional value of a new candy places a 4.70-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.98 °C. If the heat capacity of the calorimeter is 39.80 kJ·K–1, ...
March 11, 2016

Math
Write a story problem to represent six divide by 1/5
March 9, 2016

Life orientation
no wrong
March 8, 2016

Bussiness management
hiiiiiiiii
March 8, 2016

math
Mike had a jar of nickels that had five more nickels than he originally thought. If the total amount of nickels was $4.35, how many nickels did Mike think he had originally?
March 5, 2016

health
a?
March 3, 2016

math
James wants to buy a 50-inch flat-screen television, and the model he wants costs $1,200. So far, he has saved $700, but still needs $500 more. The bank where he has a checking and savings account will loan him $500 at 12% annual interesting using a 90-day promissory note. ...
February 29, 2016

math
$12,500 x 2 = confused about the rest.
February 29, 2016

math
After purchasing the apartment, Seth receives a street, sewer, and gutter assessment for $12,500 due in 2 years. How much would he have to invest today in a CD paying 2%, compounded semiannually, to fully pay the assessment in 2 years?
February 29, 2016

math
can't figure this out please somebody help me i'm not good at math how do i do the calculations
February 29, 2016

math
A friend of Seth’s who is a real estate developer needs to borrow $80,000 to finish development project. He is desperate for cash and offers Seth 18%, compounded monthly, for 2 ½ years. Find the future value of the loan using the future value liable. Does this loan...
February 29, 2016

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