All Questions

0

393

1

ABCDEFGH is a rectangular prism with CD = 5, AD = 6, and AE = 8. Find the volume of tetrahedron ABCF.

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Guest May 22, 2021

0

376

0

The side lengths of a cyclic quadrilateral ABCD are provided in the diagram. Find BD^2.

The side lengths of a cyclic quadrilateral ABCD are provided in the diagram. Find BD^2.
The picture is here as I can't upload it for some reason: https://cutt.ly/auSLG9T

Guest May 22, 2021

0

439

1

geometry

Lines AB and CD intersect at a point O in such a way that ∠DOB = 5∠COB. What is ∠AOD?

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Guest May 22, 2021

0

477

1

I'm very confused.

In parallelogram ABCD, A = (3,4), B = (1,3), C = (5,1), and D = (7, 2). Find the area of the parallelogram.

For the longer side, I used the Pythagorean theorem and found the length was 2 root 5. I tried to find the height of the parallelogram read more ..

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Guest May 22, 2021

0

557

2

help please!

In triangle ABC, CA=4sqrt(2), CB=4sqrt(3), and A=60 degrees. What is B in degrees?

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Guest May 22, 2021

0

539

7

+67

Special Manipulations Help

1. Suppose ,
a) Find
b) Find
c) Find read more ..

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shananigans May 22, 2021

0

445

1

+201

Rolling four standard dice, what is the probability that the product of the four results is even?

Rolling four standard dice, what is the probability that the product of the four results is even?

I kind-of dont understand this problem
read more ..

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mathisopandcool May 22, 2021

0

599

2

Number Theory

The Lucas sequence is the sequence 1, 3, 4, 7, 11,... where the first term is 1, the second term is 3 and each term after that is the sum of the previous two terms. What is the remainder when the 100th term of the sequence is divided by 20?

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Guest May 22, 2021

0

489

1

word problem help

Joseph borrows $10000 from his sister Katie at an annual interest rate of 10%. If the interest is compounded twice a year, how much does he owe after 12 months? Give your answer in dollars.

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Guest May 22, 2021

0

415

1

Modular Arithmetic

What is the units digit of $3^{2^{1000}} + 1$? (The 1000th Fermat prime)

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Guest May 22, 2021

0

417

1

Modular Arithmetic

How many integers n satisfy 0 < n < 60 and 4n=6 (mod 7)

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Guest May 22, 2021

+1

611

1

+201

A bag contains red balls, green balls, and yellow balls. If balls are drawn one at a time without replacement, what is the

A bag contains 3 red balls, 4 green balls, and 5 yellow balls. If balls are drawn one at a time without replacement, what is the probability that the first yellow ball is drawn on the eighth draw? Express your answer as a common fraction.

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mathisopandcool May 22, 2021

0

402

1

Number Theory

The proper divisors of 12 are 1, 2, 3, 4 and 6. A proper divisor of an integer N is a positive divisor of N that is less than N. What is the sum of the proper divisors of the sum of the proper divisors of 280?

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Guest May 22, 2021

0

301

0

Number Theory

What is the sum of the final three digits of the integer representation of 58^{100}?

Guest May 22, 2021

0

455

1

+75

HELP

Of the 30 students in my class, 11 practice taekwondo, 11 play piano, and 20 take lessons at MS. 4 students play piano and go to MS, 3 students do taekwondo and play piano, 5 students go to MS and practice taekwondo, and 3 students do none of these. How read more ..

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szastan May 22, 2021

+1

448

1

+22

Help with cubic polynomial.

A cubic polynomial with integer coefficients has an integer solution. Which of the following cannot be a solution to this polynomial?

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HexaA May 22, 2021

+1

616

1

+75

help (permutations)

How many ways can you rearrange the letters in INFINITY?

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szastan May 22, 2021

0

516

1

Roots

The roots of x^2 + 8x + 4 are the same as the roots of Ax^2 + x + B . What is A + B?

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Guest May 22, 2021

0

893

3

+75

help plz

Joseph borrows $10000 from his sister Katie at an annual interest rate of 10%. If the interest is compounded twice a year, how much does he owe after 12 months? Give your answer in dollars.

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szastan May 22, 2021

0

406

1

Parabola

Find the vertex of the graph of the equation y=-2x^2+18x-15.

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Guest May 22, 2021

0

531

1

+201

Ive just got 3 questions

A bag contains 3 red balls, 4 green balls, and 5 yellow balls. If balls are drawn one at a time without replacement, what is the probability that the first yellow ball is drawn on the eighth draw? Express your answer as a common fraction.
read more ..

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mathisopandcool May 22, 2021

0

678

1

+75

When we expand (2x+1/2)^6, what is the coefficient on the x^4 term?

When we expand (2x+1/2)^6, what is the coefficient on the x^4 term?

this is a repost because the person who solved it just gave me the answer not how to do it lol :)

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szastan May 22, 2021

0

409

1

help

Given that the point $(9,7)$ is on the graph of $y=f(x)$, there is one point that must be on the graph of $2y=\frac{f(2x)}2+2$. What is the sum of coordinates of that point?

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Guest May 22, 2021

0

559

3

something idk

Let p(x)=x^2, q(x) = 2x^3 + 1, and r(x)=7x^4 - 5x^3 - 6x - 2. Find p(q(x)) + r(x).

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Guest May 22, 2021

0

481

1

+22

Please Help

Suppose z=2021+2022i is a solution of the polynomial equation =0, where and are real constants and i=. Which of the following must also be a solution?

A ) −2021−2022i
B ) 2021−2022i
C ) −2021+2022i read more ..

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HexaA May 22, 2021

All Questions ⁺⁰237826 Questions

ABCDEFGH is a rectangular prism with CD = 5, AD = 6, and AE = 8. Find the volume of tetrahedron ABCF.

The side lengths of a cyclic quadrilateral ABCD are provided in the diagram. Find BD^2.

geometry

I'm very confused.

help please!

Special Manipulations Help

Rolling four standard dice, what is the probability that the product of the four results is even?

Number Theory

word problem help

Modular Arithmetic

Modular Arithmetic

A bag contains red balls, green balls, and yellow balls. If balls are drawn one at a time without replacement, what is the

Number Theory

Number Theory

HELP

Help with cubic polynomial.

help (permutations)

Roots

help plz

Parabola

Ive just got 3 questions

When we expand (2x+1/2)^6, what is the coefficient on the x^4 term?

help

something idk

Please Help

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