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Elementary Math

06/24/20

It takes Brian 1/20 of an hour to read one page in his book. How many pages can Riley read in 3/4 of an hour

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Elementary Math

06/24/20

(a) Is it possible to construct two noncongruent right triangles which each have one acute angle measuring 75 and a leg of 5cm on a side of the 75o angle?

(a) Is it possible to construct two noncongruent right triangles which each have one acute angle measuring 75o and a leg of 5cm on a side of the 75o angle?(b) Is it possible to construct two... more

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Elementary Math

06/24/20

What type of figure is formed by joining the midpoints of the sides of a parallelogram? Give a careful explanation of your answer.

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Elementary Math Math

06/20/20

An office supply company manufactures and sells X permanent markers per year at a price of P €/unit. The Price/Demand equation for the markers is: P= 7 − 0.002X

1- Write the Revenues function (10%) 2- What level of production and what price should the company charge for the markers to maximize revenues? (10%) The total cost of manufacturing is: C(x) = 1000... more

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Elementary Math

06/18/20

A square flower garden has a perimeter of 10 feet. Duncan uses stones to edge the garden. Each stone is 𝟣𝟤one-half-foot long. How many stones will Duncan need to edge the garden?

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Elementary Math

06/15/20

A committee of three people is selected at random from a collection of people, seven from Canada, five from Mexico, and three from the United States.

(a) What is the probability that the committee consists entirely of Canadians?(b) What is the probability that the committee has no Canadians at all?

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Elementary Math

06/15/20

Radio stations in the United States have call letters that begin with either K or W.

Radio stations in the United States have call letters that begin with either K or W. Some have three letters; others have four letters. How many three-letter call letters are possible? How many... more

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Elementary Math

06/15/20

License plates in a certain province consist of three letters followed by three digits. How many dierent plates are possible if no repetitions of letters or digits are allowed?

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Elementary Math

06/14/20

In a certain experiment events A, B, and C can occur with probabilities 7/12, 1/5, and 13/60 respectively.

(a) What are the odds of event A occurring?(b) What are the odds of event B occurring? (c) What are the odds against event C occurring?

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Elementary Math

06/14/20

probability of two people missing a defective item on an assembly line?

An assembly line has two inspectors. The probability that the first inspector will miss a defective item is 0.05. If the defective item passes the first inspector, the probability that the second... more

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Elementary Math

06/14/20

Below are three boxes containing letters: BOX 1: MATH, BOX 2: AND, BOX 3: HISTORY

(a) From box 1 three letters are drawn one-by-one without replacement and recorded in order. What is the probability that the outcome is HAT? (b) From box 1 three letters are drawn one-by-one with... more

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Elementary Math

06/12/20

Pat is 23 years older than his son Patrick. In 5 years pat will be twice as old as Patrick. How old are they now

Pat is_____ years old while Patrick is ____years old

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Elementary Math

06/10/20

Bettina’s age is three times Melvina’s. If 20 is added to Melvina’s age and 20 is subtracted from Bettina’s age, their ages will be equal. How old is each now?

Pls help on my rsm homework, it's like impossible.

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Elementary Math

06/08/20

I need a rectangle with an area of 22 and a perimeter of 24

I am having trouble figuring out the dimensions

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Elementary Math Math Test Preparation Trigonometry

06/08/20

Help with this math problem. I appreciate it !

Negociar invest a total of 31,500 in two accounted The first account earned a rate of return of 11% (after a year). However, the second account suffered a 9% loss in the same time period. At the... more

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Elementary Math Math Sat Math Mathematics

06/08/20

Find the quotient and remainder for (-12x^3-8x^2+4x+14)/(4x-4)

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Elementary Math

06/08/20

(a) Draw an arrow diagram of a function from the set { 1,2,3 } to the set { a,b }

(b) How many possible functions are there in part (a)?

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Elementary Math

06/08/20

In a college there are 13 times as many students as professors. If together the students and professors number 28,000, how many students are there in the college?

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Elementary Math

06/07/20

Carlos buys 4 1/3 pounds of oranges and uses 3/4 of the oranges how many pounds did Carlos use?

Carlos buys 4 1/3 pounds of oranges and uses 3/4 of them how many pounds are remaining?

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Elementary Math

06/06/20

As a cashier starts his shift there is $100 in his cash register. At the end of the shift the register contains $800. If the provincial sales tax rate is 15%, how much of the $800 is for tax?

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Elementary Math

06/06/20

A furniture company calculates

A furniture company calculates the retail price of the furniture it sells by marking up its wholesale cost by 100%. If they had a sale with all items marked down 20% from the retail price, what... more

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Elementary Math

06/06/20

Classify each of the following as True or False, and explain why.

(a) The sum of any pair of rational numbers is always a rational number;(b) The difference of any pair of irrational numbers is always an irrational number;(c) The product of any rational number... more

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Elementary Math

06/06/20

Write the following repeating decimals as a fraction in simplest form. 2.34141414141...

only the 4141 are repeating.

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Elementary Math

06/05/20

Jane had several stamps

Jane had several stamps. She gave 10 of them to her friend. Afterwards, Jane’s mom bought her twice as many stamps as she had in the beginning. How many stamps did Jane have in the beginning if she... more

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Elementary Math

06/02/20

Rectangular problem

A rectangular room is 2 times as long as it is wide, and it’s perimeter is 36 meters. Find the dimension of the room

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It takes Brian 1/20 of an hour to read one page in his book. How many pages can Riley read in 3/4 of an hour

(a) Is it possible to construct two noncongruent right triangles which each have one acute angle measuring 75 and a leg of 5cm on a side of the 75o angle?

What type of figure is formed by joining the midpoints of the sides of a parallelogram? Give a careful explanation of your answer.

An office supply company manufactures and sells X permanent markers per year at a price of P €/unit. The Price/Demand equation for the markers is: P= 7 − 0.002X

A square flower garden has a perimeter of 10 feet. Duncan uses stones to edge the garden. Each stone is 𝟣𝟤one-half-foot long. How many stones will Duncan need to edge the garden?

A committee of three people is selected at random from a collection of people, seven from Canada, five from Mexico, and three from the United States.

Radio stations in the United States have call letters that begin with either K or W.

License plates in a certain province consist of three letters followed by three digits. How many di erent plates are possible if no repetitions of letters or digits are allowed?

In a certain experiment events A, B, and C can occur with probabilities 7/12, 1/5, and 13/60 respectively.

probability of two people missing a defective item on an assembly line?

Below are three boxes containing letters: BOX 1: MATH, BOX 2: AND, BOX 3: HISTORY

Pat is 23 years older than his son Patrick. In 5 years pat will be twice as old as Patrick. How old are they now

Bettina’s age is three times Melvina’s. If 20 is added to Melvina’s age and 20 is subtracted from Bettina’s age, their ages will be equal. How old is each now?

I need a rectangle with an area of 22 and a perimeter of 24

Help with this math problem. I appreciate it !

Find the quotient and remainder for (-12x^3-8x^2+4x+14)/(4x-4)

(a) Draw an arrow diagram of a function from the set { 1,2,3 } to the set { a,b }

In a college there are 13 times as many students as professors. If together the students and professors number 28,000, how many students are there in the college?

Carlos buys 4 1/3 pounds of oranges and uses 3/4 of the oranges how many pounds did Carlos use?

As a cashier starts his shift there is $100 in his cash register. At the end of the shift the register contains $800. If the provincial sales tax rate is 15%, how much of the $800 is for tax?

A furniture company calculates

Classify each of the following as True or False, and explain why.

Write the following repeating decimals as a fraction in simplest form. 2.34141414141...

Jane had several stamps

Rectangular problem

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License plates in a certain province consist of three letters followed by three digits. How many dierent plates are possible if no repetitions of letters or digits are allowed?