06/06/16

there are 11 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible
How would I go about solving this problem?
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06/06/16

A worker can pack 144 boxes of shirts in 3 hours. At this rate, how long would he take to pack 240 boxes of shirts?
plealaw help to solve this problem.
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06/06/16

construct a quadratic equation
construct a quadratic equation for which -3 and 5 are solutions. 
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06/06/16

Area and perimeter
A rectangle has sides expressed as x+9 and 5x-7. Write both the area and perimeter of the rectangle as a simplified polynomial. 
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06/06/16

find the product x^5(x+10)/(x+5) * (x+5)(x-6)/7x^6
its algerbra 2  
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06/06/16

Another probability question
A box contains 95 purple rubber bands and 90 blue rubber bands. You select a rubber band at random from the box. Find the probability of selecting a purple rubber band. Find the probability of... more
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06/06/16

Jabar goes to the playground to play on the swings. The length of each swing is 1.75 m.
What is the distance traveled on one swing, from maximum height to the next maximum height, if the central angle of the swing is 1.4 rad?   Jabar decides to swing higher. If the distance... more
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06/06/16

speed of the wind
Against the wind a commercial airline in South America flew 510miles in 3hours. With a tailwind the return trip took 2.5hours. What was the speed of the plane in still? air? What was the speed of... more
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06/06/16

Algebra 2 problem
The question:   At 1:00 am, a homicide detective found the reading of a corpse's body temperature to be 88 degrees F, One hour later the body temperature is 83 degrees F. If the body has been in... more
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Tag

06/06/16

when seven times a certain number is subtracted from 15, the result is -4. find the number
use equations to solve the following problems 
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06/06/16

The high school marching band has a total of 100 students. There are 3 times as many girls in the band as boys how many girls are in the bad?
Math problem  
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06/05/16

Which if any students wrote an expression equivalent to Mrs. Petersons expression
Mrs. Peterson wrote the expression below on the chalkboard for her class. She asked the students to write an equivalent expression using no more than one set of parentheses.   8(4x + 3y + 5z) +... more
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06/05/16

New Current..?
A resistor is placed in a circuit. The current in the circuit is 2 amperes and the voltage drop across the resistor is 8 volts. The voltage is then increased to 12 volts. What will be the new... more
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06/05/16

What is the minimum kinetic energy..?
A diagram shows a moving 5.00-kilogram cart at the foot of a hill 10.0 meters high. What is the minimum kinetic energy needed for the cart to move from its current position to reach the top of the... more
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06/05/16

Average rate between a car and a cyclist
Suppose that a cyclist began a 297 mi ride across a state at the western edge of the? state, at the same time that a car traveling toward it leaves the eastern end of the state. If the bicycle and... more
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06/05/16

I really don't know, can someone help me?
Which of the following statements would be accepted as a valid criticism of the big bang theory in scientific circles?A. It cannot be tested directly. B. It fails to state the original cause.C. It... more
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06/05/16

airplane and wind rate
flying against the wind, an airplane travels 2190km in 3 hours. Flying with the wind, the same plane travels 8330 km in 7 hours. What is the rate of the plane in still air and what is the rate of... more
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06/05/16

Give the density in appropritate units
Give the density in appropriate units.The land area of a country is about 3.0million square? miles, and the population is about 300million people. What is the average population? density?The... more
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06/04/16

f(x) is a quadratic funtion in standard form where a=1, b=7, and c=-11. What is f(-4)?
I'm quite confused on this one. I know the formula for a quadratic function is ax^2+bx+c, right? This is a disaster! I have finals next week and I'm not understanding any of these review questions...
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06/04/16

This question has got me so confused, help.. Thank you!
During which type of change might it be possible to transform lead into gold? A. PhysicalB. ChemicalC. NuclearD. Phase
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06/03/16

Math Log Problem Please help
use the properties of logarithms to expand the logarithmic expression wherever possible evaluate logarithmic expressions ln((x+4)/(x2-16)5)(4/5)
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06/03/16

if sin x+cos x=a then |sinx-cosx|
whose solve this problum as early as possible
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06/03/16

Not sure how to do this. Have tried multiple times
A patient is to receive Amoxil 250mg po every 8 hours. Amoxil is avaliable in a 150mL bottle with a concntration of 250mg/5mL. This bottle will provide how many doses and will last how many days?
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06/03/16

Help please.
How does quantum theory explain blackbody radiators? A. Raising the temperature results in the radiator giving off photons of high-energy ultraviolet light.B. As the radiator is heated, it can have... more
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06/03/16

estimate the amount of solid 1 second later
Let f(t) be the weight (in grams) of a solid sitting in a beaker of water after t minutes have elapsed. Suppose that the solid dissolves in such a way that the rate of change (in grams/minute) of... more
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