05/03/17

Kevin is 4 times as old as Daniel and is also 6 years older than Daniel. How old is Kevin?
how do i set it up and find the answer
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05/02/17

Michael is 12 years older than Brandon. Seventeen years ago, Michael was 4 times as old as Brandon. How is Brandon now?
i dont know how to find the answer. 
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05/02/17

i do not understand how to answer this problem at all.
suppose that your school day begins at 7:30 am and ends at 3:00 pm. You eat lunch at 11:00 am. If there is a fire drill at a random time during the day, what is the probability that it begins... more
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05/02/17

A mouse spots an owl flying 10.1 feet over a nearby bush. The mouse is 30 feet away from the bush, and it sees the owl at a certain angle of elevation.
A.10.1= 30 tan x B. 10.1= 30 sin x c. 10.1= 30 cos x D. 30= 10.1 tan x 
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05/02/17

The price of gasoline in Barcelona is 1.83 euros per liter. How much is this in dollars per gallon?
Word problem
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05/02/17

question is in description (statistics)
The times per workout an athlete uses a stairclimber are normally distributed, with a mean of 20 minutes and a standard deviation of 5 minutes. An athlete is randomly selected. Find the probability... more
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05/02/17

jhkljkjklj
2 planes travel toward each other from cities that are 2975km apart at rates of 440km/hr and 410km/hr. They started at the same time. In how many hours will they meet?
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05/02/17

find the percentage of people taking the test who score below 311
Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 579 and a standard deviation of 134. Use the 68 - 95 - 99.7. Rule to find the percentage of people taking the... more
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05/02/17

M=1/4;(0,2)
I really need to know this place help me thanks 
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05/02/17

What percentage of values lie below 20​?
Assume that a normal distribution of data has a mean of 16 and a standard deviation of 2. Use the 68−95−99.7 rule to find the percentage of values that lie belowbelow 20.   What percentage of... more
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05/02/17

Which new England state does not border the Atlantic Ocean
Connecticut  Maine  New Hampshire  Vermont
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05/02/17

for a circle with arc length 8(pi)/3 ft and a central angle of 60 degrees, find the radius.
This problem involves finding the radius of a circle. 
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05/02/17

Please help me
find an equation of the line is perpendicular to y=1/2  X+ 11 and passed through (2,-6)  y? X?
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03/08/17

How much calcium does a bottle of 60 tablets contain if a tablet contains 10.5mg of calcium?
A bottle of 60 tablets A tablet contains 10.5mg of calcium
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10/27/16

Word problem
Flying with the wind a plane went 183 km/hr. Flying into the same wind the plane went 141 km/hr. Find the speed of the wind and the speed of the plans in still air
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10/25/16

Replace * with a monomial so that the derived expression may be represented as a square of a binomial
*+14b+49 *+14b+49
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10/25/16

Factor polynomial completely
a)    216x3– y3   b)-   x2 +16   c)    16x3y – 8x2y2+ 20xy3 
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10/25/16

Replace * with a monomial so that the derived expression may be represented as a square of a binomial
b^2+20b+∗ b2+20b+∗
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10/25/16

Replace … with = or = so that the inequality will be true for any value of x:
x^2–16x+64 … 0 x2–16x+64 … 0
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10/25/16

Story Problem
A student spent a total of 18 hours one week studying for three courses: biology, English, and history. Twice the time was spent studying English equals the time spent studying biology and history... more
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10/25/16

story problem
You have 13 bills in your wallet in $1, $5, and $10. There are twice as many $1 bills as $5 bills. The number of $10 bills is one more that the number of $5 bills. How many of each bill do you... more
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10/25/16

story problem
Two numbers sum to be -27. Three times the first number and four times the second number sum to be -160. Find the two numbers.     Set up as a story problem with variables and 2 equations. 
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10/24/16

A 42-inch board was cut into two pieces. Four times the length of the second piece is equal to the sum of the length of the other piece and thirteen.
Set up equation but do not solve please 
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10/24/16

Cubic Function
Find the cubic function of the form f (x) = ax^3 + bx^2 + cx + d, where a ≠ 0 and the coefficients a,b,c,d are real numbers, which satisfies the conditions given below. Relative maximum: 3,0 ;... more
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10/24/16

plz help how do i solve
The product of two consecutive odd integers is 57 less than 9 times their sum. Find the two integers. Answer in the form of paired points with the lowest of the two integers first
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