08/04/19

The sum of the digits of a two-digit number is equal to 15. If these digits switch places then you will get a number that is 27 less than the original number. Find these numbers.
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08/04/19

Why don't interrogative sentences _start_ with a question mark?
Not all questions start with Wh- words, so why don't we start a question with a question mark to make it more obvious that it *is* actually a question?For instance, when I'm reading a book which... more
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08/02/19

Which expression represents the number −19−√121 rewritten in a+bi form?
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08/02/19

Help me graph inequalities
How do I graph the inequality Y>3x-1?
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08/01/19

12^-x+3 = 17^-2x
Solve for x. Write the exact answer using either base-10 or base-e logarithms.
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08/01/19

Hypothesis Testing
A sales manager believes that the mean number of days per year her company’s sales representatives spend traveling is less than 50. A test is made of H0: μ = 50 versus H1: μ < 50. The null... more
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07/30/19

What is nominal, ordinal, continuous and discrete data, and how can I identify which is which?
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07/30/19

JayvonDeburgoMath
The perimeter of a train ticket is 80 centimeters. It is 25 centimeters long. How tall is it?
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07/29/19

What is the passive voice of "She quits her teaching job in school"?
What will be the passive voice for "She quits her teaching job in school"? I have come up with "The teaching job in school is quit by her," but somehow it's not sounding correct. Is it fine?
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07/29/19

Do creation and evolution have to be mutually exclusive?
So growing up I learned about creation from my dad and evolution from my mother. Throughout school I learned of both and as I get older and learn more about evolution the more it makes sense to me.... more
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07/23/19

When will the sunglasses hit the ground?
While hovering near the top of a waterfall in a national park at 6400 ​feet, a helicopter pilot accidentally drops his sunglasses. The height h(t) of the sunglasses after t seconds is given by the... more
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07/22/19

probabilty distribution
At Buzz’s Hair Dressing Salon 40% of the clients are male. On a particular day 125 clients come into the store, calculate the probability that fewer than 40 of them are male.
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07/22/19

how tall is the tree
Phil, Melissa,​ Noah, and Olivia saw a tall tree that cast a shadow 4242 feet long. They observed at the same time that a 55​-foot-tall person cast a shadow that was 10.510.5 feet long. How tall is... more
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07/20/19

What would it cost togo 22 miles at 10 cents for every 1/3 of a mile
At 10 cents a mile for every 1/3 of a mile how much would it cost to go 22 miles
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07/20/19

Marshall, who is currently 20 years old, is 4 times as old as his brother Stephen. How old will Stephen be when he is half a old as Marshall?
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07/20/19

Arithmetic Math
There are 3 people who work full-time and are to work together on a project, but their total time on the project is to be equivalent to that of only one person working full-time. If one of the... more
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07/20/19

Marshall, who is currently 20 years old, is 4 times as old as his brother Stephen. How old will Stephen be when he is half a old as Marshall?
please help me im confused
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07/20/19

Conversion of Degrees, Minutes to Its Half, Quarter etc...
29°18' devided by 2 I mean ((29°18)/2). How to convert degrees minutes to its half (1/2), quarter (1/4)?
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07/20/19

HELP please with this statistic

Assume that adults have IQ scores that are normally distributed with a mean of mu equals μ=100 and a standard deviation sigma equals σ=20. Find the probability that a randomly selected adult has an... more
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07/20/19

Help PLEASE, I don't understand

Assume that adults have IQ scores that are normally distributed with a mean of mu equals μ=105 and a standard deviation sigma equals σ=20. Find the probability that a randomly selected adult has an... more
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07/19/19

How many sets of each model should be manufactured per day to maximize the profit?
A manufacturer of golf clubs makes a profit of $50 per set on a model A set and $55 per set on a model B set. Daily production of the model A clubs is between 20 and 50 sets, inclusive, and that of... more
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07/19/19

What is the translation

Two is subtracted from three times some number and the result is the sum of the number and 4
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07/19/19

Let p represent the statement "I will reach the station in time" and let q represent the statement "I will miss the train". Convert each compound statement into symbols.

I shall reach the station in time otherwise I shall miss the train.
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07/19/19

Find the product. (2x-3)(2x+5)

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07/18/19

Algebra 9 th grade
Wich number produces an irrational number when multiplied by 1/3
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