Math Homework

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Blake is 28 years younger than. 6 years ago, Linda's age was
Blake is 28 years younger than Linda. 6 years ago, Linda's age was 2 times Blake's age. How old is Blake now? … read more
Kofi
PhD in Statistics
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A 10-year study conducted by the American Heart Association
RRJha A 10-year study conducted by the American Heart Association provided data on how age, blood pressure, and smoking relate to the risk of strokes. Assume that the following data are from a portion… read more
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For David- Amy is twice as old as Jenny. Five years ago Amy
For David- Amy is twice as old as Jenny. Five years ago Amy was 3 times as old as Jenny. Find Jenny's age. Is this right? A = 2J (now) A = 3(J -5) To get the age 5 years ago 2J -5 = 3(J -5) 2J -5 = 3J… read more
David
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1) The base of a triangle is 6 cm greater than the height
1) The base of a triangle is 6 cm greater than the height . The area is 56 cm^2. Find the height and the length of the base. 3) Factor by grouping 8x^3-8x^2-x+1 24) Convert to decimal notation 8.91x10… read more
Emanuel
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a recent study argues peoples abilities tend to deteriorate
a recent study argues peoples abilities tend to deteriorate with age. The study reports that 25 year olds did significantly better than 60 year olds on a popular IQ test. The data in the tables are ra… read more
Sandhya
Master's Degree
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Hi I have some Age and Motioin word problems that I just can
Hi I have some Age and Motioin word problems that I just can not figure out getting very frustrated please help. Age Problems #1: Stan is four times as old as Tim. In twelve years Tim's age will be ha… read more
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Hi I have some Age and Motioin word problems that I just can
Hi I have some Age and Motioin word problems that I just can not figure out getting very frustrated please help. Age Problems #1: Stan is four times as old as Tim. In twelve years Tim's age will be ha… read more
akch2002
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A study argues that peoples abilities may deteriorate with
A study argues that people's abilities may deteriorate with age, the study reports that 25 year olds did better than 60 year olds on a IQ test. The data in the tables are raw test scores for a sample … read more
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Master's Degree
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A study argues that peoples abilities may deteriorate with
A study argues that people's abilities may deteriorate with age, the study reports that 25 year olds did better than 60 year olds on a IQ test. The data in the tables are raw test scores for a sample … read more
SusanAthena
Master's Degree
Master's Degree
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Miriam is four years older than Ricardo. Ten years ago Miriam
Miriam is four years older than Ricardo. Ten years ago Miriam was 3 times as old as Ricardo was then. a. How old are they now? b. Determine whether your answer is correct by checking that it satisfies… read more
Sandhya
Master's Degree
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Three years ago Alex was nine times as old as Judy. How old
Three years ago Alex was nine times as old as Judy. How old will Alex be when Judy is exactly half as old as Alex?… read more
Chirag
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How many years older was the person older than you when you
How many years older was the person older than you when you were born? Write an equation that models how old in years each of you will be, when your ages add up to 150 years old. For example, if the e… read more
Osbert12
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Three times the sum of Jims and Toms ages is equal to twelve
Three times the sum of Jim's and Tom's ages is equal to twelve times the difference of their ages, and three years ago Jim was twice as old as Tom was. How old is Tom now? please show how you solved t… read more
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A childs coin bank contains \$ 2.58 in pennies and nickels.
A child's coin bank contains \$ 2.58 in pennies and nickels. If the number of pennies is 36 less than 2 times the number of nickels, how many pennies are in the bank? A dad is now three times as old as… read more
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1. the organisers of a charity concert sold tickets at two
1. the organisers of a charity concert sold tickets at two different prices. if they had sold 112 of the dearer tickets and 60 of the cheaper ones,they would have recieved £364.80 but if they had sold… read more
Sandhya
Master's Degree
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Help Refer back to Week One and use the names and ages of
Help Refer back to Week One and use the names and ages of yourself and the other two people you selected in this week's discussion The ages I used 36 Jane 18 TJ & 8 How many years older was the person… read more
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Twenty-five years ago, Hailey was five more than one-third
Twenty-five years ago, Hailey was five more than one-third as old as jason was. Today, Jason is twenty-six less than two times the age of Hailey. How old is Jason?… read more
muvee
Master's Degree
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12. Find the Range and Standard Deviation 98 92 95 87 96 90 65 92 95 93 98 94 1
12. Find the Range and Standard Deviation: 98 92 95 87 96 90 65 92 95 93 98 94 16. Find the Range and Standard Deviation: 5.60 5.63 5.58 5.56 5.66 5.58 5.57 5.59 5.67 5.61 5.84 5.73 5.53 5.58 5.52 5.6… read more
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