04/22/18
A chemist has 70 mL of a 50% methane solution. How much of a 80% solution must she add so the final solution is 60% methane?
can ya solve this
04/22/18
Population in a particular country will be....
The population in a particular country is growing at the rate of 2.8% per year. If 7,638,000 people lived there in 1999, how many will there be in the year 2005
f(x)=YoE^0.028t
04/22/18
a cube has a volume of 125 I want to to connect a wire from the bottom corner of one side to the top corner of the opposite. How long does the wire need to be ?
HELP!! I don't understand this. Math test tomorrow!
04/22/18
find the number
the sum of four times a number and three is the same as the difference of twice the number and eleven.
04/22/18
Describe any changes in the lengths of a pipe that will resonate with a 384Hz tuning fork?
*The pipe is open at both ends*
04/22/18
The width of a rectangle is 7 feet less than its length. If the area of the rectangle is 170 square feet, then find the length and width.
The width of a rectangle is 7 feet less than its length. If the area of the rectangle is 170 square feet, then find the length and width.
Length=
Width=
04/22/18
The sum of two consecutive even integers is more than 10. What are the smallest values of consecutive integers that would make this true?
i need this answered as soon as possible because my homework is due tomorrow and i need the answers theee like uh cmon the answers please and thank you
04/21/18
Find the discrimant b^2-4ac. Do the following quadratic equations have two distinct real solutions, a single solution, or no real solutions? 2x^2+9x=3
Asks for the number of solutons
04/21/18
Determine whether each of the following is an increase or decrease in entropy
A. Fusion
B. Freezing
C. Combustion
04/21/18
How is this problem calculated?
Your weekly paycheck is 25 percent less than your coworker's. Your two paychecks total 700. Find the amount of each paycheck.
the sum of 2 consecutive integers is less than 25 what is the greatest possible pair?
i need to know what's the greatest possible pair of the sum of 2 consecutive integers that are less than 25
04/21/18
please answer step by step
When an electron moves from A to B along an electric field line in the figure, the electric field does 5.25 × 10-19 J of work on it. What are the electric potential differences (a)VB - VA, (b)VC -...
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04/21/18
Find the angular velocity of the system after 12 seconds
The angular acceleration of a system is described by the following equation: a(t)=d^2Radians/dt^2=10cos (5t).
Find the angular velocity of the system in radians after 14 seconds
04/21/18
0.50505 , please round this number to 2 significant figures
round this number to 2 significant figures 0.50505
04/21/18
write a quadratic equation whose solutions are 3+5i and 3-5i
Hello, this is my problem I would like help.
Cheers
04/21/18
I need the answer
The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 303 people entered the park, and the admission fees collected totaled 792.00 dollars. How many...
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04/20/18
Can anyone help with this logarithm math problem?
This is the problem: ½ log a (x+2) + ½ log a (x-2) = 2/3 log a 27 And, this is what the teacher gave as notes to solve the problem: Log a √x+2 + log a √x-2 = log a 27^2/3 ...
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04/20/18
An 15 L container holds 16.00 grams of oxygen gas (O2) at 35 °C. What is the pressure in the container?
..............................................
04/20/18
How many moles of oxygen must be placed in a 6.00 L container in order to exert a pressure of 3.00 atmospheres at 25.0 °C?
......................................
04/20/18
the national speed limit was 55 miles per hour from 1973 to 1995. currently, the speed limit in most states isn65 miles per hour. what is the differrence in the
what the difference
04/20/18
Which expression is equivalent to cos (90°-theta)?
A. sin (theta)
B. -sin(theta)
C. cos (theta)
D. -cos (theta)
04/20/18
One earthquake has a Richter scale reading of 6.8. Another is one-thousandth as strong. What is its Richter scale reading?
Not completely sure what this question is asking.
04/20/18
resultant force
Apoint is pulled by two ropes: one to the left and up 34 degrees with a magnitude of 5, the other to the right and up 16 degrees with a magnitude of 7. What is the resultant force on the point?
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