Posts by MAT

Total # Posts: 173

Physics- Help
Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 75 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

Physics- Help
Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 75 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

Physics
After a day of testing race cars, you decide to take your own 1590 kg car onto the test track. While moving down the track at 10.0 m/s, you uniformly accelerate to 26.0 m/s in 10 s. What is the average net force that you have applied to the car during the 10 s interval?

physics
A diver runs and dives off the end of a spring board that is 0.9 meters above the surface of the water. As she takes off from the diving board, her velocity is 5.2 m/s directed 36° above horizontal calculate: a) the time she is in the air s b) the distance she lands from ...

chemistry
the density of water 20 degrees celcius is 1.00g?mL and the densityof ethylene glycol is 1.114g/mL, if 100.0mL if water is combined with 25.0mL is ethylene glycol, what would be the density of this mixture?

Math
2= squared x2+y2+z2+36 then square rooted and then the number must be rational. I need x y and z. I already used 10 8 and 5

geometry
24

social studies
TAXATION WITHOUT REPRESENTATION Tea tax stamp tax there are tons The Boston Massacre taking away our charters and imposing martial law Just a bit of interesting info The northern colonies were the biggest troublemakers the southern ones just sort of sat there minding there own...

Vertex edge graphs
OK ignore the graph the spaces didn't stay when i submitted it the verticies form a pentagon

Vertex edge graphs
OK so my friend asked me how to solve this question i didn't know how but tried anyway and got the right answer but i want to know if i did it correctly 6 boys are working on 5 go carts. each boy works on more than one cart. it takes one weekend to make one cart. there are...

math
48-36=12 so unless you have a value for y or are setting the whole problem equal to something 9y^2+12 is as solved as it gets

problem solving
well you could solve it the long way 28 24 20 16 12 8 4 add um all up=112 108 is 4 less so subtract the last row, 6 rows there is some equation that is soposed to be faster, but seeing as all that took me 40 seconds aprox. WELL

7th grade math
do you Know the equation y=mx+b if you dont, which you should m is the slope b is the y intercept both of the equations above are in this format but it may help in i write them like this for you y=(3/1)x+0 interscts at the orign slope 3/1 (rise over run)line will slant like ...

Math
once you have the dimensions of the other pool set up the equation like this big pool width/big pool length=625/x for example purposes let the above equal this w/l=625/x to solve l(625)=w(x) l(625)/w=x

Intermediate Algebra
because you are square rooting a negative your answer will be a complex (imaginary) number. if you haven't dealt with these yet answer the question /not possible/ If you still want an answer square root 24 then write a lowercase i after it. the i must be lowercase 4....

grade 11 math
in order to break even he would have to produce -o.3x^2+3x-15 factor use quadratic formula you get two answers 5+the square root of 27 5-the square root of 27 because the second answer gives you a negative (you cant produce a negative amount of product) use the first one 10....

physics
A body is suspended vertically from an ideal spring of spring constant 3.4 N/m. The spring is initially in its relaxed position. The body is then released and oscillates about its equilibrium position. The motion is described by the following equation.

math
10x^2+5 y^2-2xy-28x-6y+41=0 and 3x^2-2y^2+5xy-17x-6y+20

geomatry deductive reasoning
Use inductive reasoning to predict the next number in this pattern: 3, 13, 22, 30, 37, 43…

math
In order to find the mean, you must add all and then divide by the amount. In this case, you add (14+5+6+0+6+9+6+15)/8 = 7.6

math
the distance x cm and y cm are related by the eqt. 1/x+1/y=1/9, if x is increasing at a rate of 8 cm/s, calculate the rate at which y is changing when x=15. [ans:-18]

English
Can someone help please: What are 2 events that ended the Progressive era?

physics
hmm sum1 has the same ? as me?

physics
A bullet of mass 10.8 g leaves a gun barrel with a velocity of 511 m/s. What is the bullet's kinetic energy? answer in joules

Finance Homework/ Have 2nd Part Need Calculate1st
An investment will pay $100 at the end of each of the next 3 years, $400 at the end of Year 4, $600 at the end of Year 5, and $700 at the end of Year 6. If other investments of equal risk earn 8% annually, what is its present value? What is its future value? Round your answer ...

geography
describe the varius type of forest vegetation. give good example describing the location and type of plants.

english
To no man does the earth mean so much as to the soldier. what type of rhetorical device does this sentece contain

english
in tjaden this is a voracity, in Muller it is a foresight. what type of rhetorical device does this sentence contain?

Chemistry
If 18.0g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O how many grams of H2Oare produced

Chemistry
A small laboratory burner consisting of a vertical metal tube connected to a gas source and producing a very hot flame from a mixture of gas and air let in through adjustable holes at the base. It is mainly used to heat chemicals.

Physics
0.064

8th grade earth science
yes

math
a coast guar ship left a port at 30 mph. four hours later a helicopter was dispatched at 90 mph to intercept the ship. how long will it take the helicopter to catch the ship?

Stats
Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y = total sales (thousands of dollars), X1 = display floor space (square meters), X2 = competitors’ advertising expenditures (thousands of dollars), X3 = ...

1th phyics
use the equation v=v0+at substitute the numbers in to find t

sentences please help
sorry the 2nd one is is botanist

sentences please help
whats a sentence for rivals, otanist, nurient.

world history
Who was the George Washington of South America?

8th grade
how do we learn./

Physics
Not sure

science
What is the definition of organic compound?

gr 11 physics
as a rocket carrying a space probe acceleraes away from earth the fuel is being used up and the rocket's mass becomes less when the mass of a rocket(and its fuel) is M and the distance of the rocket from eart's centre is 1.5rE, the force of gravitational attraction ...

math
Anyone got the answer?

science
I am in the p-block of the Periodic Table. My melting point is the highest in my period (ignore tansition metals). I am not the smallest atom in my group. My first ionization energy is greater than that of germanium. What element am I?

science
I am a main group element. I have 3 p-orbital electrons in my valence shell. I have a lower first ionization energy than arsenic. I am not the largest atom in my group. What element am I?

science
I am a metal. I am a transition metal. I have the smallest atomic radius in my group. I have 6 valence electrons. What element am I?

Science
I am a non-metal. I belong to the Halogen family. I am not the largest or smallest atom in my group. My first ionization energy is greater than that of iodine. I am not a gas at room temperature. What element am I?

econ
(a) The price level increased. (b) The number of new homes built decreased. (c) Inventories increased. (d) Imports increased.

econ
Which of the following could explain the increase in real GDP in 2001? (a) The price level increased. (b) The number of new homes built decreased. (c) Inventories increased. (d) Imports increased.

econ
Real GDP equaled $9,191 billion in 2000 and $9,215 billion in 2001. Both figures are adjusted for changes in the value of the dollar using a chained price index with a base year of 1996. Which of the following could explain the increase in real GDP in 2001? A. The price level ...

history
Who are Frances current Allies & Enemies?

9th grade
How do you calculate the thermal amplitude

chemisty
1.43,1.27

algebra
Thanks Emily Teacher!

algebra
how do i figure this out step by step? 3x-7=5x+13

history
why did the earliest attempts of the English to colonize america fail

US
Which of the following contributed most to the development of religious toleration in the British colonies? (A) The stand of Roger Williams in defense of liberty of conscience (B) The Puritan guarantee of religious freedom to settlers in the Massachusetts Bay colony (C) The ...

Chemistry
A silver-copper alloy had a mass of 0.1264g. When the alloy was dissolved in nitric acid and the silver precipitated as silver chloride, the precipitate had a mass of 0.1375g. Calculate the percent of silver in the alloy. So, how would you do this? Is it possible to use moles ...

college econ
You own four firms that produce different products. The following table summarizes the conditions in each firm. After calculating the missing numbers for each firm, make one of the following four decisions regarding operations in each firm, and explain why a particular ...

CORRECTED ECONOMICS ?
You own four firms that produce different products. The following table summarizes the conditions in each firm. After calculating the missing numbers for each firm, make one of the following four decisions regarding operations in each firm, and explain why a particular ...

Economics
You own four firms that produce different products. The following table summarizes the conditions in each firm. After calculating the missing numbers for each firm, make one of the following four decisions regarding operations in each firm, and explain why a particular ...

ECONOMICS-REPOST
In the below table, which country has the least equal distribution of income? The most equal distribution? Percent of Income Quintile A B C 20 8.5 10.2 2.3 40 10.1 15.2 6.1 60 12.5 18.3 12.3 80 15.1 23.1 18.1 100 53.8 33.2 61.2

economics
thank you very much!

economics
In the below table, which country has the least equal distribution of income? The most equal distribution? Percent of Income Quintile A B C 20 8.5 10.2 2.3 40 10.1 15.2 6.1 60 12.5 18.3 12.3 80 15.1 23.1 18.1 100 53.8 33.2 61.2

economics
Percent of Income Quintile A B C 20 8.5 10.2 2.3 40 10.1 15.2 6.1 60 12.5 18.3 12.3 80 15.1 23.1 18.1 100 53.8 33.2 61.2

economics
In the below table, which country has the least equal distribution of income? The most equal distribution? Percent of Income Quintile A B C 20 8.5 10.2 2.3 40 10.1 15.2 6.1 60 12.5 18.3 12.3 80 15.1 23.1 18.1 100 53.8 33.2 61.2

algebra
I need help in solving this problem to find out if it is functional...f(n)=9/5 +32

Science
We have a problem in AP Physics that we just can't get. It has to do with vector addition. The problem is: If aA+bB+C=0, find the magnitudes of a and b. *A, B, and C are vectors* *i and j are unite vectors* A=(6.0i-8.0j)units B=(-8.0i+3.0j)units C=(26.0i-19.0j)units How is...

pigskin geography
it's actually kinda fun

pigskin geography
hey

math
i need help with the domain and range of a step function. the equation is f(x)= 59.99 + .29m thanks What is the m in the function?

Calculus
I have to find the area of the largest possible rectangle that can be inscribed under the curve y=e^(-x^2) in the first and second quadrants. How do I do this? It is symmetrical, so one could ignore the second quadrant, and work on the largest rectangle in the first quadrant. ...

ionic or covalent
those n e body now what these are benzoic acid sucrose iodine hexene graphite

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