08/08/17
How much did he earn the eight time if the mean of the data is $12?
Bradley washed 8 cars. He earned $10, $12, $15,$15,$9 & $10 fot 7 cars. How much did he earn the eight time if the mean of the data is $12?
08/08/17
Esteem the function and calculate limit left and right
Esteem the function f(x)=1/(x³-1) for near values of 1 and then calculate them lim of 1/(x³-1) when x->1- and lim of 1/(x³-1) when x->1+.
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07/30/17
Math word problem
Nancy worked out in the gym every Wednesday. She spent 3/5 time walking on treadmill. 2/3 of time was spent lifting weights. During remaining time, she spent 10min stretching and 10min coolong off....
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07/30/17
profit-loss and mark up , mark down
Mr. Sajid usually makes a 45% profit on every radio he sells . During a sale , he reduces his margin of profit to 40% while his sales increase by 10% . What is the ratio of...
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07/23/17
Find the equation of the tangent line
Let f(x) = (x4 + x3 + x2 + x + 1)(x5 + x3 + x + 2).
Find the equation of the tangent line to the curve y = f(x) at the point on the curve whose x-coordinate is −1.
Book answer: y=10x + 11....
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07/03/17
Logs in calculus
I have this problem that according to the book, the steps do not come up to the answer which is 24. I hope someone can help me with this. Thank you.
Log4 ^x - log 4 ^(x-18) = 1 Solve for x.
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Increasing and decreasing functions in business calculus
In this problem, I do not comprehend how the fraction x=33/23 is arrived at for the critical number. I am told just to divide -6.6 by -4.6 to get x.
The problem is; For the function F(x) =...
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07/02/17
Help me find n
If sn=5400, when a1= 70 and common difference(d)= 10
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07/02/17
The straight line "MX=5y+4" has the same gradient as the line "7x+6y+5=0". Find the value of m.
This question is from the oxford mathematics workbook 3
07/02/17
eliminate theta from the relation a sec theta=1-b tan theta and a square sec square theta=5+b square tan square theta
pls answer to this question urgent...
06/25/17
Mr. Smith works on the 13th floor of a 15 floor building.
Mr. Smith works on the 13th floor of a 15 floor building. The only elevator moves continuously through floors 1, 2, . . . , 15, 14, . . . , 2, 1, 2, . . . , except that it stops on a floor on which the...
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06/25/17
MY QUESTION IS VERY DETAIL PLEASE CHECK DISCRIBTION
you are on a boat 400 m from the closest point Perpendicular on the beach. you want to visit your friend who is located another 1km along the beach. if you can row pedal boat at a constant speed of...
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06/25/17
Work Rate, word problem
I have been working on this problem for almost a week now and I just cant seem to get it.
Math department development committee members Alan, Amy,Jessica and Julia were preparing for a...
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06/24/17
write the answer in the time units indicated in the parentheses 7 hours 40 minutes 40 seconds (seconds)
help me with 5000 seconds (minutes,seconds) 7100 minutes (days,hours,minutes)
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06/24/17
What is the width of the parabolic heater at its widest point?
A parabolic heater a cross section modeled bu a parabola with vertex (0,0) and focus (3,0). The heater has a depth of 6 inches. Round the answer to the nearest hundredth.
06/24/17
Worded indicies problem- Find temperature of liquid
When a liquid is placed into a refrigerator, its temperature T°C at a time t minutes is given by the formula
T=T*10^-kt
The temperature is initially 100°C and drops to 40°C in 5 minutes.
Find...
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06/24/17
Is -4x-8y=-3 a linear equation in two variables?
Is -4x-8y=-3 a linea equation in two variables
06/24/17
How many liters of a 30% alcohol solution must be mixed with 90 liters of a 60% solution to get a 40% solution
How many liters of a 30% alcohol solution must be mixed with 90 liters of a 60% solution to get a 40% solution
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06/23/17
A polynomial of degree 4 that has exactly three distinct x-intercepts and whose graph rises to the left and right
Write a polynomial with the given characteristic.
06/23/17
I dont understand how to put the question in standard quadratic form.
a ferry operator take toursis to an island.the operator carries an average of 500 people for a fare of $20. the operator estimate s that for each $1 increase in fare they lose 20 people. what fare...
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05/26/17
Could someone please help me with this math question?
What is the equation of a parabola with (−2, 4) as its focus and y = 6 as its directrix?
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Thank you to anyone who helps!
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05/26/17
integration of exp(-x)[f(x)/g(x)]. where f(x) is integration of g(x).
I came across this problem integration of -e-x^2(xlogx).
05/25/17
differentiate with respect to x ax^2+2hyx+by^2
differentiate with respect to x
ax^2+2hyx+by^2
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05/12/17
Calculate 2^100 in ZZ11?
Calculate 2^100 in ZZ11.
This is a Linear Algebra problem.
Here's my work:
2^5=32=-1 mod 11
2^10=1 mod 11
2^100=1 mod 11
So I think the answer is 1 since that's the remainder. What's...
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