All Questions

454

Guest

The sides of this parallelogram 7,9, $8y - 1$ and $2x + 3$ units, consecutively what is the value of $x + y$?

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Guest Aug 11, 2021

440

Sequence

Which term of the sequence 20, 19 1/4, 18 1/2, 17 3/4, ..., is the first negative term?

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Guest Aug 11, 2021

493

+89

idk how to do

https://web2.0calc.com/questions/halp_49850#r2

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justinwh333 Aug 11, 2021

489

+140

Number Theory Problem

Each row of a seating arrangement seats 7 or 8 people. Forty-six people are to be seated. How many rows seat exactly 8 people if every seat is occupied?

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sherwyo Aug 11, 2021

342

Algebra

The equation 2x - 3/(x - 2) = 4- 3/(x - 2) has how many roots?

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Guest Aug 11, 2021

530

+313

Math

Mervin Moneybags went on a spending spree today. He spent half of his money on a Slammy So-so baseball card. He spent $50 on a pair of puppies. And he blew his last $25 on a broken bike. How much money did Mervin spend today?

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apsiganocj Aug 11, 2021

398

+80

Help please

Question:

jleung Aug 11, 2021

434

+80

Help please

Could someone help me with problem 13.2.3?

jleung Aug 11, 2021

566

Pls i need help im failing i have no help

A kite is flying at the end of a 20 meter string if the string makes an angle of 55° with the ground how many meters above the ground to the nearest meter is the kite

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Guest Aug 11, 2021

481

Help me on this question

Jason, Edward and Sam had a total of $837. Jason had the least amount of money. The ratio of Edward's money to Sam's money was 4:3 at first. Jason and Edward each spent 1/3 of their money. Given that the three boys had $648 left, how much did Jason have read more ..

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Guest Aug 11, 2021

483

+313

Help me with this

There were some red, black and blue pens in a drawer. 1/3 of the pens were red and the number of black pens was 11 less than 1/2 of the number of red pens. If there were 284 blue pens, how many black pens were there in the drawer?

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apsiganocj Aug 11, 2021

438

Range

Find the range of the function f(x) = 9^x - 3^x + 1.

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Guest Aug 11, 2021

297

help with quadratic

Find the sum of all integral values of c with $c\le 25$ for which the equation $y=x^2-17x-c$ has two rational roots.

Guest Aug 11, 2021

426

System

Find the value of d such that the system of equations

-10x + 15y = -17
dx +12y = 8
Does not have a solution

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Guest Aug 11, 2021

303

Help me on this

https://web2.0calc.com/questions/math_48073

Guest Aug 11, 2021

456

Ratios

If 4x = 3y, what is the value of (2x + y)/(3x + 4y)?

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Guest Aug 11, 2021

497

+151

Math

Philip and Mark each had an equal amount of money at first. After Philip spent $50 and Mark spent 1/3 of his money, the ratio of Philip's money to Mark' money was 5 : 4. How much money had Philip left?

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Ajdabegano Aug 11, 2021

474

Help

The ratio of the number of pencils to the number of erasers in a box was 3 : 4 at first. After adding 12 pencils and removing 15 erasers from the box, the ratio of the number of pencils to the number of erasers became 1 : 1. How many erasers were there read more ..

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Guest Aug 11, 2021

474

Algebra

Find all solutions to the equation x^2 - 7x = 44.
If you find more than one, then list the values separated by commas. If the solutions are not real, then they should be written in a + bi form.

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Guest Aug 11, 2021

505

+41

URGENT!!!

If $5^x=100$, what is the value of $5^{x+2}$?

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CENTTRAL Aug 11, 2021

462

Complete the Square

Complete the square 4x^2 + 15x + 2 .

Enter your answer in the form a(x + u)^2 + v, where a, u, and v are replaced by numbers.

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Guest Aug 11, 2021

564

Algebra

How many grams of cream with 10% fat should a barista add to 120 grams of 20 % fat to get a mixture with 18 % fat

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Guest Aug 11, 2021

394

help with sum

Find the sum of the first 20 terms of the sequence 0.7, 0.77, 0.777, ...

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Guest Aug 11, 2021

425

Algebra

The quadratic 3x^2-24x+72 can be written in the form a(x+b)^2+c, where a, b, and c are constants. What is a+b+c?

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Guest Aug 11, 2021

344

quadratic

The quadratic x^2 + 3/2*x - 1 has the following unexpected property: the roots, which are 1/2 and -2, are one less than the final two coefficients. Now find a quadratic with leading term x^2 such that the final two coefficients are both non-zero, and the read more ..

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Guest Aug 11, 2021

All Questions ⁺⁰238326 Questions

Guest

Sequence

idk how to do

Number Theory Problem

Algebra

Math

Help please

Help please

Pls i need help im failing i have no help

Help me on this question

Help me with this

Range

help with quadratic

System

Help me on this

Ratios

Math

Help

Algebra

URGENT!!!

Complete the Square

Algebra

help with sum

Algebra

quadratic

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