09/25/14
If we flipped a coin 10 times, what is the probability that we would get five heads?
If we flipped a coin 10 times, what is the probability that we would get five heads?
09/25/14
write the inequality and solve the equation
admission to a carnival is $8.00. You allow $5.00 for lunch and $3.00 for a snack. Each ride is $2.50. You have $40.00 to spend. how many rides can you go on? I know the answer is 12. But I need...
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09/25/14
in 1960,8000 cars were abandoned in a city. each year 8% more cars are abandoned how many cars were abandoned in 1966
A method would be great but just the answer is fine enough
09/25/14
You are buying gifts for 10 people. You buy each person a cd or a DVD. A cd costs $10 and a DVD costs $20. Write and simplify an equation
You are buying gifts for 10 people. You buy each person a cd or a DVD. A cd costs $10 and a DVD costs $20. Write and simplify an expression in terms of c for the total cost of all the gifts you buy
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09/25/14
a bad punter on a football team kicks a football approximately straight upward with an initial velocity of 85 ft/sec.
If the ball leaves his foot from a height of 3 ft, write an equation for the vertical height s (in ft) of the ball t seconds after being kicked.
Find the time(s) at which the ball is at a...
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09/24/14
Need answer to this
A quality control inspector is in charge of inspecting drill bits that are produced on an assembly line. The diameter of a drill bit can be modeled by the equation |x − 0.525| = 0.01. Show your...
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09/23/14
Word Problem
Paula has read 70% of the total pages in a book she is reading in English class Paula has read 84 pages. Define a variable. Then write and solve an equation to determine how many pages are in the...
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09/23/14
how do I solve linear equations with fractions? 3/5 (y/8+1/4) = 9/16
3/5 (y/8+1/4) = 9/16
please explain how to figure linear equations that begin with a fraction.
09/23/14
Differentiation
The number of crimes, C, in a particular country between 2000 and 2010 was given by the function C=11.9+ 0.1t + ln(t+1), where t is the number of years passed since 2000. Show that C is an...
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09/23/14
maths help
the vertices of a square are z1,z2,z3,z4 taken in anticlockwise order then z3 equals
1. iz1+(1+i)z2
2.iz1+(1-i)z2
3.z1+(1+i)z2
4.(i+1)z1+z2
09/23/14
complex number
Let z1,z2,z3 be 3 vertices of equilateral triangle circumscribing the circle mod z =1/2. If z1=1/2+(√3i/2) and z1,z2,z3 are in anti clockwise sense then z2 is?
09/23/14
complex number
If one vertex of an equilateral triangle is 1+i and centroid is it's origin then other two vertices of triangle are?
09/22/14
to find the height of the Great Pyramid in meters, use the clues given...
the clues are...
the tenths digit is 4 more than the hundreds digit
the tenths digit is the only prime number in this decimal
the tens digit is 4 times the hundreds digit
the units digit is...
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how can a chef use an 11-minute hourglass and a 7-minute hourglass to time vegetables that must steam for 15 minutes (consecutively)?
how can a chef use an 11-minute hourglass and a 7-minute hourglass to time vegetables that must steam for 15 minutes (consecutively)?
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09/22/14
How do I change this expression to become a negative answer without changing or moving and numbers or operation symbols?
2+1/2*1 3/4-3
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09/22/14
This one question always gets me stuck!
Suppose the average yearly salary of an individual whose final degree is a masters is $45 thousand less than twice that of an individual whose final degree is a bachelors. Combined, two people with...
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09/22/14
Find the largest domain and the range for ln(cos x). How would you define the inverse function?
Find the largest domain and the range for ln(cos x). How would you define the inverse function?
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09/22/14
differentiation
The function f is defines by f(x)=sinx + cosx , for 0≤x≤2π.
Find (i) The range of values of x for which f(x) is increasing
(ii) The range of values of x for which f(x) is...
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09/22/14
Differentiation
Two variables x and y are related by y= ln(2+e-x) for x >0. Given that x is increasing at a rate of 3 units per second, find, in terms of e, the rate of change of y when x=1.
Ans:...
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09/21/14
The distance between the point P(2m, 3m, 4m) and the x- axis is
The distance between the point P(2m, 3m, 4m) and the x- axis is
09/21/14
in a kite P QRS, Angle RPS=2PRS, PQ=QS=PS & QR=RS. find angle QPS,PRS, QSR & PQR
GEOMETRY OF A LEVELS
09/20/14
What comes after 10, in the pattern 4, 8, 3, 6, 12, 7, 10,
I need the answer to the next number in the number series, 4, 8, 3, 6, 12, 7, 10.
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09/20/14
Word Problem Vairation
Kim and her little brother are picking strawberries. Actually, Kim picks the strawberries and her brother eats them out of the pail. If Kim could fill the pail in 16 minutes without her brother’s...
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09/19/14
Long word problem!!!
Every Forisie has exactly 4 eyes and exactly 2 legs. Every Forlegie has exactly 4 legs and exactly 1 eye. A gathering of Forisies and Forlegies has an equal number of eyes and legs.
What is...
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