All Questions

536

can someone explain how to do this?

Given the function f(x)=3x^3+2, find the value of x so that f^{-1}(x)=4.

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Guest Jul 9, 2020

852

+79

help on geometry hw

In regular octagon ABCDEFGH, AB=8. Find AC, AD, and AE! Thanks in advance!

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violetzhang07 Jul 9, 2020

659

What is the product? Assume x 0.

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Guest Jul 9, 2020

+10

565

+568

Whoops wrote the last question wrong. CPhill or Melody answer plz.

One ordered pair satisfies the two equations and . What is the value of in this ordered pair?

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iamhappy Jul 9, 2020

740

+77

Please halp

Let A={2,6,10,14,...} be the set of integers that are twice an odd number.
Prove that, for every positive integer n, the number of partitions of n in which no odd number appears more than once is equal to the number of partitions of n containing read more ..

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Jonjon Jul 9, 2020

684

HELP ME please!!!!

The sum of two numbers is 3 more than four times the first number. Their difference is 10 less than twice the second number. Find each of the numbers.

Alan ●●●●●●●●●●●●●●●●●●●●

Guest Jul 9, 2020

505

+367

PLEASE HELP ASAP

Expand . What is the sum of the coefficients of the resulting expression?

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imdumb Jul 9, 2020

543

geometry

Segment AX and Segment EX are secant segments that intersect at point X. What is the length of ED?

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Guest Jul 9, 2020

505

help

Which of the following sum in simplest form (radicals)

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Guest Jul 9, 2020

-1

595

Melody or cphill plz help

One ordered pair $(a,b)$ satisfies the two equations $ab^4 = 384$ and $a^2 b^5 = 4608$. What is the value of $a$ in this ordered pair?

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Guest Jul 9, 2020

732

algebra

Bottle A contains more soda than Bottle B. Pour from Bottle A into Bottle B as much soda as B already contains. Now pour from B into A as much soda as A now contains. Then pour from A into B as much soda as B now contains. Each bottle now contains 64 ounces. read more ..

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Guest Jul 9, 2020

347

help

how do you do this

Guest Jul 9, 2020

420

Help! I need this done by today (sorry)

Please give me a full exlpanation.

Pat starts with two identical square pieces of paper. On the first one, she draws straight lines that divide the paper into a 3-by-3 grid of squares. The total length of the lines she draws is 18 read more ..

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Guest Jul 9, 2020

609

help

D(5, 7), E(4, 3), and F(8, 2) form the vertices of a triangle. What is m∠DEF?

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Guest Jul 9, 2020

449

Price increase

The price of a shirt is increased by 12 dollars. Due to this, the price increases by 9%. How much do you have to pay for the shirt after this price increase?

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Guest Jul 9, 2020

517

+171

HELP ASAP

https://web2.0calc.com/questions/heeeeelp_6

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BillyBobJoeJr Jul 9, 2020

338

Help pls

In quadrilateral ABCD we have AD = 11, BC=9, and CE = 2. Sides AD and CE are extended past A and B, respectively, to meet point E. If EB = 8 and EA = 5, then what is DC?

Guest Jul 9, 2020

714

i need this asap if u can tysm

Alex has 10 different kinds of lunch meat and 9 different kinds of cheese. If he wants to make a sandwich with one kind of meat and two kinds of cheese, how many different sandwiches could he make? (It does not matter in which order he chooses the two types read more ..

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Guest Jul 9, 2020

413

help asap thank u in advance

Catherine rolls a six-sided die five times, and the product of her rolls is 1200 How many different sequences of rolls could there have been? (The order of the rolls matters.)

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Guest Jul 9, 2020

350

please help

A field with perimeter 3996 m and integer sides is divided into 1998 parts having equal area (measured in m). Find the length of the field (in m), given that each part had an integer area.

Guest Jul 9, 2020

411

need help with this problem

A tree produces 1000 leaves a year. In Summer it produces four times as much as in Winter. In Fall it produces half as much as in Spring.
The same tree drops 855 leaves a year. In Fall it drops 11 times as much as in Spring and in Summer it drops read more ..

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Guest Jul 9, 2020

545

help

Define $g$ by $g(x)=5x-4$. If $g(x)=f^{-1}(x)-3$ and $f^{-1}(x)$ is the inverse of the function $f(x)=ax+b$, find $5a+5b$.

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Guest Jul 9, 2020

536

Precalculus Question Pls help

In triangle ABC show above, cos B = . What is tan C?

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Guest Jul 9, 2020

554

counting

Yan was opening a new restaurant, so she went to the sign store to get letters to make a sign to hang above the storefront. When she got to the sign store, the only letters they had in stock were two copies of the letter 'X,' two copies of the letter 'E,' read more ..

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Guest Jul 9, 2020

All Questions ⁺⁰234927 Questions

can someone explain how to do this?

help on geometry hw

What is the product? Assume x 0.

Whoops wrote the last question wrong. CPhill or Melody answer plz.

Please halp

HELP ME please!!!!

PLEASE HELP ASAP

geometry

help

Melody or cphill plz help

algebra

help

Help! I need this done by today (sorry)

help

Price increase

HELP ASAP

Help pls

i need this asap if u can tysm

help asap thank u in advance

please help

need help with this problem

help

Precalculus Question Pls help

counting

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