07/03/18

Word problem help please?
you walK half a mile in one tenth of an hour. How many miles did you walk in an hour? Be sure to include the units in your work.
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07/03/18

the length of a rectangle is 2 more than its width. find the perimeter of this rectangle if its 15ft^2
the length of a rectangle is 2 more than its width , find the perimeter of the rectangle of 15ft^2
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07/03/18

y=mx+2b solve for m
im not sure how to solve this
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07/03/18

a couple splits a phone bill paying seperately for their data. the flat rate is 82$, the bill comes to 125$ how much does bill pay if he uses 60% of data?
really need help breaking down this question
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07/03/18

the difference between -12 and a number, x, is 20
i keep getting -44 when trying to solve for x, but that's incorect  am i doing something wrong does the equation have no solution
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07/03/18

Position on a line
I have two coordinates to make a line (0, 8.09) and (16.72, 19.28), giving me a line slope of 0.317. I need to know the y value on the line at x=5. Can someone help me understand how to get this?
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07/03/18

Help with writing linear equations
Question 1: Write an equation in slope intercept form of the line through (4,2) with the slope of 1/2.   Question 2: Write an equation in Point slope form for the line that passes through (2,-5)... more
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07/03/18

Writing equations in standard form
#1:-3y = 9x + 12    #2: y - 3 = -2 (x+1)  
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07/03/18

High School Pre-Cal
According to its instruments, a plane is flying northwest at 400 mph. Outside the plane there is an 80 mph wind blowing from north to south. What is the resulting direction of the plane?A.about 34°... more
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07/03/18

p =2(l+W)................................the rectangle has perimeter24 ....what is the lenth L and width W
p equals 2(L+w)
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07/03/18

Inverse Functions.
Consider the inverse functions f(x)=x2-2 for (√2 ≤x≤4) and g(x)=√x+2 (all being square rooted) for (0≤x≤14).   Show that f(g(x)) = x and g(f(x)) = x Find algebraically the coordinates of any... more
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07/03/18

Math Problem - need help
The formula A = P(1+r)^t represents the amount of money A in an account after t years, where P is the amount initially deposited and r is the interest rate. Sunyi currently has $1839.79 in an... more
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07/03/18

i need help please
Polygon ABCD is defined by the points A(-4, 2), B(-2, 4), C(1, 3), and D(2, 2). Match the coordinates of the points of the transformed polygons to their correct values.
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07/03/18

can you help sloving this question
Polygon ABCD is defined by the points A(-4, 2), B(-2, 4), C(1, 3), and D(2, 2). Match the coordinates of the points of the transformed polygons to their correct values.
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07/02/18

counting question
A password is required to log into a system that only recognizes numbers and letters of the alphabet (not case sensitive). You want to create a password using 4 numbers or letters, but cannot reuse... more
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07/02/18

counting question
Sam is the captain of an academic team in the class. A teacher teacher will choose 6 of the 29 students in the class to be on an academic team.How many ways can 6 students be chosen as a team from... more
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07/02/18

Worded algebraic question
  a person invested $6500 for 1 year, part at 7%, part at 10%, and the remainder at 14%.the total annual income from these investments was $758. the amount of money invested at 14% was 700 more... more
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07/02/18

Prove: tan2x=2cos^(2)x/cot(x)-sin(2x)
need help please thanks 
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07/02/18

Help with STATS
Assume that random guesses are made for 7 multiple-choice questions on a test with 2 choices for each question, so that there are nequals7 trials, each with probability of success (correct) given... more
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07/02/18

Find the area of the shaded region
Find the area of the shaded region. The graph depicts the standard normal deviation with mean 0 and standard deviation 1.  Z=0.61   The area of the shaded region is___
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07/02/18

Mean and deviation
assume that women’s heights are normally distributed with a mean by 64.5 in, and a standard deviation given by 2.6in.    (A) If 1 woman is randomly selected, find the probability that her height... more
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07/02/18

whats the probability
A bag contains 12 red checkers and 6 black checkers. You will randomly select two checkers, one at a time, without replacement.a.)In how many ways can you select two checkers so that at least one... more
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07/02/18

How to translate these expressions into equations?
Joe receives two dollars plus a dollar for each box he packs. Michael receives two dollars times the number of boxes her packs. Write an expression representing income for both Joe and Michael. How... more
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07/02/18

run of 10km North and then a bike of 120km West. Determine running speed if she cycles 10 times faster than she runs and the race took her 4 hours to complete.
The goal is to determine the running speed of the person. 
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07/02/18

each side of the triangle? 4y-1.5 and 2.5+2y
 i wanna know what the answer is two  4y-1.5 and 2.5+2y.  
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