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6,938 Answered Questions for the topic mathematics

Mathematics

05/22/21

inequality problem

the larger of the two numbers is 3 more than three times the smaller. The difference of the larger number and the smaller number is 9. Find the numbers.

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Mathematics Math Physics Prealgebra

05/22/21

good explannayion needed for PART B

NEEDING HELP WITH PART B

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Mathematics Math Algebra 1 Prealgebra

05/22/21

How many permutations are there for the following word?

1. RAPUNZEL a) How many being with the letter u?b) How many being with the letter e?

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Mathematics Calculus Precalculus Differential Equations

05/22/21

For the function shown below, find each of the following limits. (If an answer does not exist, enter DNE.)

f(x) = 7x, x ≤ 0 x2 + 9, x > 0'(a) lim f(x) = _____ x→0−(b) lim f(x) = _____ x→0+(c) lim f(x) = _____ x→0

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Mathematics

05/22/21

Maths GCSE AQA HIGHER

f(x)=2x/5 - 1Work out the value of f –1(3) + f(–0.5)

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Mathematics Math Algebra 1 Algebra 2

05/22/21

I would like some help involving creating a question/problem involving hypergeometric distribution, I have to include how a scenario of how a group of people or even just one person, needs to find... more

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Mathematics Math Algebra 1 Algebra 2

05/21/21

Permutation Question Help!

A group had decided to create a trap using the following objects, 5 pieces of steel, 3 pieces of string and 2 bottles of glue. How many different traps can they create?Illustrate this using a tree... more

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Mathematics Math

05/21/21

What is the % increase?

I have a 6.25" square. If I increase the square to 6.5" what is the % I've increased the size of the square?

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Mathematics Math Algebra 1 Statistics

05/21/21

odds question !

the odds in favor of winning a lottery ticket is 5:2. Find the probability of the occurrence of the event. Show all steps

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Mathematics

05/21/21

Fiona needs to cut 8 pieces of string. If each stringis 3.74 metres long, how much does he need

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Mathematics Math Algebra 1 Algebra 2

05/21/21

Please help with the following mutually exclusive Question!

There are 12 DVDs, 7 video games, 14 CDs, and 3 videotapes on Jaime’s bedroom shelf. If Jaime selects an item at random from the shelf, what is the probability that it is a DVD or a video tape?

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Mathematics Math Probability

05/21/21

Probability question (2)

Three marbles are randomly drawn from a bag containing six white marbles balls and four black marbles.Part a) What is the probability of there being: 3 white marbles. Round your answer to the... more

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Mathematics Math Probability

05/21/21

Probability question

Connor and Tay are each purchasing one raffle ticket. If a total of eleven raffle tickets are sold and two winners will be selected, what is the probability that both Connor and Tay win? Round your... more

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Mathematics Math Statistics

05/21/21

Eight people are running a race. If 1st, 2nd, and 3rd place all get different medals, how many different ways can medals be awarded? Only state the numerical value.

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Mathematics Math Statistics

05/21/21

Mrs. D is giving a test with 10 questions, but only requires students to answer 7 of them. How many different ways can a student finish the test? Only state the numerical value.

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Mathematics Math Statistics

05/21/21

Expected value question (2)

You draw one card from a standard 52 card deck. You win $20 if you pull a face card (king, queen, or jack), $30 if you pull a Number 10 Card, and nothing if you pull any other card. It costs $5 to... more

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Mathematics Math Statistics

05/21/21

Expected value question

Kevin is playing a carnival game where he draws a marble from a bag. Each color is worth a different dollar value: purple marble wins $1, red marble wins $5, green marbles wins $20, and orange... more

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Mathematics Math Algebra 1 Algebra 2

05/21/21

Please help with the following binomial question!

1.It is estimated that 18% of drivers do not signal while changing lanes.Lisa stands at a stop sign, inspecting the first 30 vehicles to see if they have signaled or not.What are the chances that... more

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Mathematics Math Probability

05/21/21

Find the probability

Find the probability of getting 2 boys in selecting 3 people from 4 boys and 3 girls. The answer must be rounded off to two decimal places.

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Mathematics Math Algebra 1 Algebra 2

05/21/21

Permutation Question Please Help

How many different ways can 150 guests be divided into 15 groups of 5 for a dance activity at an event?

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Mathematics Math Sat Math Act Math

05/21/21

Quadratic equation

A piece of land that already fenced up by using a wire fence of 120 m. Both of the rectangular lands are placed next to each other with both lands have equal length, x m. and width, y m,... more

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Mathematics Math Sat Math Act Math

05/21/21

Quadratic Equation

Rahim suggests to fence up two adjacent pieces of rectangular land as shown above to plant flowers. He has a wire fence of 24 m length.(a) Find total area of the land, A m², in terms of x.(b)... more

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Mathematics Math Algebra 1 Algebra 2

05/20/21