06/08/17

Please help on this percentage question.
200 adults who own a new car were surveyed to find out whether or not they've ever owned a new vehicle. 64% indicated that they have only owned used vehicles. Based on the results of the survey,... more
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06/08/17

if the year had 1000 days , and each 1 day was equal to 3 to 4 days . how many weeks and months would be in a year ? is that a valid question ?
if the year on planet x had 1000 days, and each 1 day was equal to 3 to 4 earth days . how many weeks and months would be in a year?  should months and weeks be redefined as well? is that a... more
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06/05/17

If reaching 100% of a goal is success, but it's possible to perform better than 100%, how do we calculate success better than 100%?
Janise works in a call center for a credit card company. One of the ways she is measured is on how little time it takes for her to correctly resolve a customer’s problem. Her and her peers are... more
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06/04/17

A baseball team has 12 players the coach needs to choose 3 to sit on the bench how many combinations of players can the coach choose? Show me the formula please
need to find the formula for probability of a team with 12 players 3 have to sit on the bench how many combinations does the coach have show formula please
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06/03/17

a. What is the percent increase in the base? (Round your answer to the nearest hundredth percent.) b. What is Joe’s increase in Social Security tax for the new
The Social Security Administration increased the taxable wage base from $107,000 to $109,000. The 6.2% tax rate is unchanged. Joe Burns earned over $120,000 each of the past two years a. What is... more
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06/03/17

If you eat 7 mini-muffins, how many calories will you consume?
A recipe for blueberry muffins states that it yields 12 muffins, with 265 calories per muffin. You instead decide to make mini-muffins, and the recipe yields 20 mini-muffins. If you eat 7... more
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06/02/17

how do I find the arc length of a sector?
Find the arc length of a sector with a central angle of 225 and a radius of 4.2 meters.   is it  a) 4pi b) 4pi/5 c) 5pi/5 d) 8pi    ?   Thank you for reading, I really appreciate your help.   more
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06/02/17

Trig Question: What is the polar representation of z = 6i?
What is the polar representation of z = 6i?   a. 6cis ib. 6 cis πc. π cis 6d. 6cis (π/2)e. 36   I cant seem to figure this one out
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06/01/17

What is the angle of depression from the top of the flagpole to the path of the sun's rays?
The flagpole in Terry's schoolyard is 42 ft tall. On a sunny day, the flagpole casts a shadow 20 ft long on level ground.
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06/01/17

What is the graph of the function f(x) = the quantity negative x squared plus x plus 20 over the quantity x plus 4 ?
What is the graph of the function f(x) = the quantity negative x squared plus x plus 20 over the quantity x plus 4 ?
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06/01/17

What is the oblique asymptote of the function f(x) = the quantity x squared minus 5x plus 6 over the quantity x minus 4 ?
What is the oblique asymptote of the function f(x) = the quantity x squared minus 5x plus 6 over the quantity x minus 4 ?
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06/01/17

How to solve the system of equations? Thanks
6x^2-4y^2=36 9x^2+2y^2=90
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06/01/17

So I have a sequence like 14+16+18+20 and I need to do this 40 times and add it all together. Is there a quicker way and what is this called?
So I have a sequence like 14+16+18+20 and I need to do this 40 times and add it all together. Is there a quicker way and what is this called?
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06/01/17

Find the lengths of the diagonals of the rhombus without using the law of sines or law of cosines?
Quadrilateral ABCD is a rhombus with side of lengths 8cm. The measure of one angle of the rhombus is 157 degrees.    Find the lengths of the diagonals of the rhombus without using the law of... more
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06/01/17

How would you shift the parent funtion y=x^2 to the graph function y=(x-4)^2+5?
A)shifted 4 units to the right and 5 units down B)shifted 4 units to the right and 5 units up C)shifted 5 units to the right and 4 units down. D)shifted 5 units to the left and 4 units up 
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06/01/17

If she owes $52.75$⁢52.75 for text messaging in the month of October, how many text messages did she send that month?
Julia's text messaging plan costs $10$⁢10 for the first 450450 messages and 25¢25⁢¢ for each additional text message. If she owes $52.75$⁢52.75 for text messaging in the month of October, how many... more
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05/31/17

Write the equation in function form: y-x=1
I really need help on this and a few more problems- Write the equation in function form: 5x-2y=6 Identify the domain and the range: (1,2) (-2, 4) (3, 5) (-1, 9) Is this a function? Identify the... more
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05/31/17

Standard deviation (statistics)
billy has 15 min to get to his after-school job. Despite his best efforts, he is frequently late. His employer says that unless he arrives to work on time consistently, he will lose his job. He has... more
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05/31/17

What ordered pair is ta solution of the inequality 5y-3 is less than or equal to 7?
(3,5)? -2,-5)? (-2,4)?
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05/31/17

Related rates help
The altitude of a triangle is increasing at a rate of 3000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of... more
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05/31/17

Robot A welds in 6 mins. Robot B welds does it in 5.5 mins. If they work together for 2 minutes, how long will it take for Robot B to complete?
Rational Equations
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05/31/17

Could you help me solve these please?
1. 6/x2 - 1 + 7/x - 1   2. Brian rode his bike 2 mi to his friend's house. Brian's bike had a flat tire, so he had to walk home. His walking rate is 25% of his bike rate.   a. Write an... more
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05/31/17

8^5=2^x . How to find out x. 8^5 = 32768. is there a method to convert 32768 to power of 2?
i searched on internet bu there was no answer
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05/30/17

Z-score and standard deviation
Determine the z- score for the given value  Mean=9.3  standard deviation= 0.4  x=8.8
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05/30/17

given: line wy is perpendicular to line xz and angle w is congruent to andgle y prove: triangle xyz is congruent to triangle xyz
 I need help to find the proof 
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