Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 28

**math**

Find the area and perimeter of an isosceles triangle the base is 16.0 ft and one of the legs is 20.0 ft i don't know the height how would i do this?

**math**

the dimensions of a door are 3ft by 7ft 6in. if the same amount is added to each dimension of the door, the area is increased by 18ft^2. Find the dimensions of the new door. answer is supposed to be 4.5ft by 9ft need help asap

**math**

the dimensions of a door are 3ft by 7ft 6in. if the same amount is added to each dimension of the door, the area is increased by 18ft^2. Find the dimensions of the new door.

**math**

then what i seriously have no clue what im doing

**math**

the perimeter of a rectangle is 160m and its area is 1200m^2 find its dimensions

**math**

48x^2-32x-35=0 quadratic formula is x=-b+/-b^2-4ac/2a please help

**math**

quadratic equation of 48x^2-32x-35=0 i need both answers you must use the quadratic formula

**math**

quadratic equation of 48x^2-32x-35=0 i need both answers

**algebra**

A heating duct has a rectangular cross section whose area is 40(inches squared). If it is 3in longer than it is wide then what is its length and width. i need both equation and answer

**algebra**

A furnace duct forks into 2 ducts. Flow coming in is 2300cfm. If flow coming in 1 duct is 800cfm more than other what is flow to each duct in cfm

**chemistry**

A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.0 g of ether, the solution’s boiling pint is 36.5oC. Determine the molecular formula of this substance

**chemistry**

Calculate the molar mass of a non-electrolyte that lowers the freezing point of 25.0 g of water to - 3.9 oC when 4.27 g of the substance is dissolved in the water.

**trigonometry**

R and S are in the same horizontal plane as the base of a cliff, but R is 132.6 meters nearer it than is S. They find the angles of elevation of the top of the cliff to be 32 degrees and 36 minutes and 63 degrees and 13 minutes. how high is the cliff?

**math**

mclxxvii

**math**

mclxxvii

**physics**

A block (mass = 2.9 kg) is hanging from a massless cord that is wrapped around a pulley (moment of inertia = 1.2 x 10-3 kg·m2), as the figure shows. Initially the pulley is prevented from rotating and the block is stationary. Then, the pulley is allowed to rotate as th...

**physics**

After 10.0 s, a spinning roulette wheel at a casino has slowed down to an angular velocity of +1.56 rad/s. During this time, the wheel has an angular acceleration of -5.45 rad/s2. Determine the angular displacement of the wheel.

**physics**

Two people start at the same place and walk around a circular lake in opposite directions. One walks with an angular speed of 1.40 10-3 rad/s, while the other has an angular speed of 3.10 10-3 rad/s. How long will it be before they meet?

**math**

A math teacher calculates grades as follows:Grade=[2 test averages+quiz average/3] After 3 tests and 2 quizzes your test average is 83 and your quiz average is 89. You took your fourth test today and noticed that your overall average grade has dropped to an 83. What was your s...

**physics**

a car traveling at 7.0 m/s accelerates uniformly at 2.5 m/s to the 2nd power to reach a speed of 12.0 m/s. how long does it take for this acceleration to occur.?

**physics**

as the shuttle bus comes to a sudden stop to avoid hitting a dog, it accelerates uniformly at -4.1 m/s to the 2nd power as it slows from 9.0m/s to 0.0 m/s. find the time interval of acccelaration for the bus

**math**

how do you calculate the area of a trapezoid the has the base of 11.25 the height of 6.5 and the top of the trapezoid 7.50

**math**

tell how you could use a number line to determine which of two numbers is greater.

**History**

How many people are currently in the U.S. military? Thanks for your help.

**Physics**

flow of electrons or flow of charge is caused by the repel forces between electrons. In a conductor. electrons are jammed inside, and are force to move alone because they are constantly repelling each other.

**Science**

1. Why does North America and Asia consume so much petroleum? I would guess that it is because these two areas produce so many things. 2. What factors would prevent petroleum trade between regions? I'm really not sure but i am guessing it has something to with the consumpt...

**Shakespeare**

I have some essays questions to do and I have some answers, but could someone add to them? Any one of them could be the one i have to write and essay on. They are all about Julius Caesar 1. What are the virtues and limitations of Brutus? Would he be a good ruler? Why or why no...

**Math**

In an election of two candidates the successful candidate secured 236 votes more than his rival.If the rival candidate obtained 1/6th of the total votes secured by the successful one in addition to his own votes, he would have won the elections by 42 votes. Find the number of ...

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