Wednesday
December 11, 2013

# Homework Help: High School

Plz help :(
1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. x over three equals six over nine (1 point) 18 27 2 24 3. A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is ...
Monday, November 25, 2013 at 12:07pm

Analytic Geometry(Math)
a person 6 ft. tall s standing near a street light so that he is 4/10 of the distance from the pole to the tip of his shadow. How high above the ground is the light bulb? if the person's head is exactly 5ft from the light bulb. how far is the person from the pole and how ...
Monday, November 25, 2013 at 6:42am

math
A school club consist of 30 male students and 13 female students. If 3 students are selected to represent the club in the student government, what is tge probability 2 will be male and 1 will be female? please help me
Sunday, November 24, 2013 at 9:57pm

physics
The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
Sunday, November 24, 2013 at 7:05pm

The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
Sunday, November 24, 2013 at 6:34pm

Trig/Precalc
a lamp post that is 8 feet high casts a shadow 5 feet long. how tall is the person standing beside the lamp post if his shadow is 3.5 feet long
Sunday, November 24, 2013 at 6:06pm

water treatment
Which is correct for this trickling filter? a)Due to the low BOD loading rate the biomass growth will be too little. Methanol needs to be dosed to keep the biomass alive. b)Due to the high BOD loading rate the filter might clog. This can be prevented by effluent recycling in ...
Sunday, November 24, 2013 at 7:46am

statistics
For the past 20 years, the high temperature on April 15th has averaged  = 62 degrees with a standard deviation of  = 12. Last year, the high temperature was 68 degrees. Based on this information, which of the following best describes last year's temperature...
Sunday, November 24, 2013 at 2:42am

Math
One of the popular questions in Calculus texts. Let the radius of the circle be x then the width of the rectangle = 2x let the height of the rectangle be y 2x + 2y + halfcircle = 30 2x + 2y + (1/2)(2πx) = 30 2x + 2y + πx = 30 2y = 30 - 2x - πx y = 15 - x - π...
Saturday, November 23, 2013 at 10:37pm

english
Excerpted from A Tale of Two Cities by Charles Dickens [1] Saint Antoine* had been, that morning, a vast dusky mass of scarecrows heaving to and fro, with frequent gleams of light above the billowy heads, where steel blades and bayonets shone in the sun. A tremendous roar ...
Saturday, November 23, 2013 at 9:53pm

Solar Energy
With respect to a PV module's I-V and P-V curves, and the module's operating point, consider the following statements: a) When the operating point of the PV module is on the MPP (maximum power point), $$P_{mpp} \lt V_{oc} \times I_{sc}$$ b) For a given Irradiance and ...
Saturday, November 23, 2013 at 4:13pm

Math help plz check my answers!
1. Write the ratio in the simplest form. 50:10 25:5 10:2 5:1 1:5 2. Solve the following proportion. r/5= 9/21 r = 9 r = 2.14 r = 11.66 r = 37.8 3. A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is needed to make 9 ...
Saturday, November 23, 2013 at 2:34pm

math
Electron Tube Electronics made 50,000 TVs last month. If 3.5% of them were high definition, how many high definition TVs were produced?
Saturday, November 23, 2013 at 11:51am

Computers (internet)
What does it mean by "How common or acceptable is plagiarism in our school community?
Friday, November 22, 2013 at 7:18pm

Math plz help me!!! URGENT!!
1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. (1 point) p = 2 p = 8 p = 12 p = 24 3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is needed to make 6 ...
Friday, November 22, 2013 at 6:24pm

medical needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
Friday, November 22, 2013 at 2:13pm

Math
Didn't mean for it to be proportions as my school subject.
Thursday, November 21, 2013 at 7:02pm

waste water treatment
Correct answer to "Which is correct for this trickling filter?" - Due to the high BOD loading rate the filter might clog. This can be prevented by effluent recycling in order to increase the shear stress on the biofilm.
Wednesday, November 20, 2013 at 11:10pm