All Questions ⁺⁰237637 Questions

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396

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math

2/5(d−10)−2/3(d+6)

Guest Dec 10, 2020

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418

1

HELP PLZ

A teacher has 15 students in his class, 8 girls and 7 boys. He wants to seat them in three rows of five, but knows that if any row has two girls or two boys sitting next to each other, they will talk and won't pay attention. How many seating arrangements read more ..

Guest Dec 10, 2020

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353

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congruence

Determine the number of solutions in x of the congruence 64x = 2 (mod 44) such that .0 < x <= 100.

Guest Dec 10, 2020

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534

2

equations

If 3^(x + y) = 81 and 81^(x - y) = 9 then what is the value of the product xy? Express your answer as a common fraction.

Guest Dec 10, 2020

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315

0

help me

Flip Pattern Line Work
Submit Assignment
Due Dec 4 by 11:59pm
read more ..

Guest Dec 10, 2020

-1

564

1

+155

If you can do this problem you are god

Let x satisfy Compute the value of

PLEASE HELP!!!11!!1!1!1!!11!

EvanWei123 Dec 10, 2020

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325

0

Determine the sum of all prime numbers p

Determine the sum of all prime numbers p for which there exists no integer solution in x to the congruence
3(6x+1) + 12x == 4 mod(p).

Guest Dec 10, 2020

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495

1

Please help! I don't understand this!

The complex numbers z and w satisfy |z| = |w| = 1 and zw is not equal to -1.
(a) Prove that \overline{z} = {1}/{z} and \overline{w} = {1}/{w}.
(b) Prove that {z + w}/{zw + 1} is a real number.
Can you please explain in detail? I'm trying to understand read more ..

Guest Dec 10, 2020

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404

2

number theory

You have seven bags of gold coins. Each bag has the same number of gold coins. One day, you find a bag of 53 coins. You decide to redistribute the number of coins you have so that all eight bags you hold have the same number of coins. You successfully read more ..

Guest Dec 10, 2020

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404

1

what ?

Guest Dec 10, 2020

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331

0

maximum volume

Square corners are cut from a 30 by 30 square, as shown below. The remaining paper is then folded into a box. What is the maximum volume of the box?

read more ..

Guest Dec 10, 2020

0

683

2

+466

\[\sum_{k = 2}^\infty \frac{k - 3}{k(k^2 - 1)}.\]

dududsu2 Dec 10, 2020

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589

1

Medals

While looking at the country of Jamaica's results from the 2008 Beijing Olympics. Gemma noticed that the number of gold medals that Jamaica recerived was twice the number of silver medals. SHe also relized that Jamaica received 1 fewer bronze medal than read more ..

Guest Dec 10, 2020

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325

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help with system

Let x and y be real numbers such that
x^3 = 12x + 5y
y^3 = 12y + 5x

Find all possible values of xy. read more ..

Guest Dec 10, 2020

+1

674

2

+466

Let $f(x)$ be a polynomial of degree $4$ with rational coefficients. Find $f(1).$

Which has as roots, and such that

dududsu2 Dec 10, 2020

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331

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Algebra

A sporting goods store offers a rewards program where the customer earns a $20 gift card for every 1,500 points. Suppose a new customer receives a certain number of points when signing up and earns a number of points for every dollar purchased at the store. read more ..

Guest Dec 10, 2020

+1

628

1

+466

In a certain polynomial, all the coefficients are integers, and the constant coefficient is 42. All the roots are integers, and distinct.

Find the largest possible number of integer roots.

dududsu2 Dec 10, 2020

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517

1

+466

Find the remainder when $x^{100}$ is divided by $(x + 1)^3.$

dududsu2 Dec 10, 2020

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649

1

+466

Find the remainder when $2x^6-x^4+4x^2-7$ is divided by $x^2+4x+3$.

dududsu2 Dec 10, 2020

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509

1

Algebra

Lukas is running a lemonade stand on a hot summer day. He spent $14 for the materials and earns $1.50 for each cup of lemonade sold. What is an equation that relates the number of cups of lemonade sold, c and the profit earned, P, and explain whether Lukas read more ..

Guest Dec 10, 2020

+1

629

1

+293

please help need asap please please

please help need as soon as possible please i really need this one.

Cdortch Dec 10, 2020

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538

1

In a certain class, there are 30 students.

In a certain class, there are 30 students. The teacher chooses four students at random to complete a project. What is the probability that the top 3 students in the class are among the chosen students?

Guest Dec 10, 2020

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498

2

help with math

please help asap i don't know how to do this, this will help

Guest Dec 10, 2020

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