All Questions ⁺⁰237807 Questions

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why do people post so many question

why do people post so many questions in one post, like I get but....why? If you need help with all of these go ask the teacher or somthing, or go watch videos or review notes

Here are examples
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off-topic

Guest Jun 15, 2021

0

475

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+45

Arithmetic

How many ways are there to write 2016as sum of twos and threes, ignorging orders?

amc81012 Jun 15, 2021

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426

3

Geometry

A circle is placed in a 90 degree corner, and that circle is touching both walls of that corner. a point on the circumference of the circle is 18 inches from one wall and 35 inches from the other wall. what is the radius of the circle? if some work could read more ..

Guest Jun 15, 2021

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473

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counting

Suppose that I have 6 different books, 2 of which are math books. In how many ways can I stack my 6 books on a shelf if I do not want the math books to be at the ends?

Guest Jun 15, 2021

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360

1

Help with algebra

The height (in meters) of a shot cannonball follows a trajectory given by$h(t) = -4.9t^2 + 14t - 0.4 at time (in seconds). As an improper fraction, for how long is the cannonball above a height of 8.7 meters?

Guest Jun 15, 2021

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512

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+16

Joseph borrows $10000 from his sister Katie at an annual interest rate of 10%....

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.

Sandi123 Jun 15, 2021

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485

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+16

] 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).

] 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).

Sandi123 Jun 15, 2021

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418

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Algebra

Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (1,17). Express your answer in the form "ax^2+bx+c".

Guest Jun 15, 2021

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845

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+80

Coins

Dana has only nickels in her hand, and Ajah has exactly the same number of dimes and no other coins. Together they have a total of 90¢. How many coins is each person holding? Show your work below.

DoctorOcopisMonOct Jun 15, 2021

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497

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+16

Question in exponents

] 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).

Sandi123 Jun 15, 2021

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458

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Inverse Function

The inverse of function f(x) = (2x - 1)/(x - 8) is written in the form of $f^{-1}(x) = (ax + b)/(c + d)$, where a, b, c, and d are all real numbers. Find a/c.

Guest Jun 15, 2021

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289

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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).

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).

Guest Jun 15, 2021

0

381

1

i need help in length & perimeter

Let J and K be given points along a certain line. There are exactly two other distinct points U and V on this line such that UJ/UK=7 and VJ/VK. Let W be the midpoint of UV. Calculate the ratio WJ/WK.

Guest Jun 15, 2021

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531

3

plz help

A teacher has made ten statements for a True-False test. Four statements are true and six are false. However, no two true statements are consecutive. How many distinct answer keys could there be for the test?

Guest Jun 15, 2021

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465

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Of the 35 students in my class...

Of the 35 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. read more ..

Guest Jun 15, 2021

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478

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Help counting

How many different three-digit odd numbers can be formed using the digits 3, 4, 5 and 6 if digits can be repeated?

Guest Jun 15, 2021

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298

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Someone verify the ans to the question TY

https://web2.0calc.com/questions/somone-pls-verify-ans

TYSM

Guest Jun 15, 2021

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496

3

Web20calc sucks

web20calc sucks, you wanna know why? Every day people start to leave it, guess what? when you post a question, no one answers it. Which leaves it completely under the list of questions. The home calculator also is bad, because it says "Your system successfully read more ..

Guest Jun 15, 2021

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490

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+16

When we expand (2x+1/2)^6 what is the coeeficent of the term x^4?

When we expand (2x+1/2)^6 what is the coeeficent of the term x^4?

Sandi123 Jun 15, 2021

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459

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Please help

Jai has thick poster paper that he uses to make signs for the lemonade stand. Each of the sheets of poster paper measures 3/8 - inch thick. The height of Jai's stack of poster paper measures a total of 2 1/4 inches. Write an algebraic equation that could read more ..

Guest Jun 15, 2021

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341

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Help Please!

If x is an integer and x^6 - 2x^5 + 2x^3 - 2x + 1, find x.

Thanks!

Guest Jun 15, 2021

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415

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Help math

If a and b are positive integers for which ab-6a+5b=15, what is the minimal possible value of |a-b|?

Guest Jun 15, 2021

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