All Questions

698

please help

Jill is making a magic multiplication square using the numbers 1, 2, 4, 5, 10, 20, 25, 50, and 100. The products of the numbers in each row, in each column, and in the two diagonals must all be the same. In the figure you can see how she has started. read more ..

●

Guest May 3, 2020

614

I just want to know the answer to this question, it is so confusing

What is 28 divided by 5 5/6 in a fraction?

●●●

Guest May 3, 2020

527

PLZ HELP!

Wilma and Greg were trying to solve the quadratic equation
x^2 + bx + c = 0
Wilma wrote down the wrong value of b, (but her value of was correct), and found the roots to be 1 and 6 Greg wrote down the wrong value read more ..

●

Guest May 3, 2020

564

+123

PLZ HELP!

Of the five quadratics listed below, four of them have two distinct roots. The fifth quadratic has a repeated root. Find the value of the repeated root.
-x^2 + 18x + 81
3x^2 - 3x - 168
x^2 - 4x - 4
25x^2 - 30x + 9 <#> x^2 - 14x + 24 <#> read more ..

●●●●

mathlete2008 May 3, 2020

586

three squares

The diagram shows three squares. Find the sum of the angles alpha, beta, and gamma.

geno3141 ●●●●

Guest May 3, 2020

584

Casework Counting

On the -plane, the origin is labeled with an . The points and and are labeled with 's. The points and are labeled with 's. The points and are labeled with 's. If you are read more ..

●

Guest May 3, 2020

583

difficult geometry question please help :(

A circle passes through the points , , and . Find the center of the circle. Enter your answer as an ordered pair.

Thank you!

●●●●●●

Guest May 3, 2020

661

sum

Find 99 - 97 + 95 - 93 + ... + 3 - 1.

●●●●

Guest May 3, 2020

573

help! need help, asap

Can you find k?

Alan ●●

Guest May 3, 2020

669

+1072

Help Please!!!

https://web2.0calc.com/questions/help-please_50080

https://web2.0calc.com/questions/help-please_18221
read more ..

SpongeBobRules24 May 3, 2020

650

i want to know this please

What source of electrical energy have scientists been unable to use?

●

Guest May 3, 2020

553

impossible geometry

Please help with this geometry problem! I'm totally stuck!

ABCD is a square with side length 12, BE = BC/2, FC = DC/3, GD = DA/4, AH = AE/3, JE = EF/2. Find the area of the purple triangle.
read more ..

●

Guest May 3, 2020

667

help

One day, River writes down the numbers River chooses one of the digits written down at random. What is the probability that River chooses a 7?

●●●

Guest May 3, 2020

555

+166

Trignometry

Look at question below:

HannibalBarca May 3, 2020

621

I really need help ASAP. Thanks.

Points $A$, $B$, and $C$ are on sides $\overline{WX}$, and $\overline{YZ}$, and $\overline{XY}$ of rectangle $WXYZ$ as shown below such that $XA=4$, $YB = 18$, $\angle ACB= 90^\circ$, and $YC = 2XC$. Find $AB$. That is the best latex I could come up with. read more ..

heureka ●●●●

Guest May 3, 2020

603

how many squares

how many squares are in the figure below?

●

Guest May 3, 2020

443

help with probability

Two numbers are chosen at random from 1, 2, 3, ..., 20. Find the proability that their product is divisible by 4.

●

Guest May 3, 2020

1861

+96

algebra 2

The real numbers a and b satisfy |a| < 1 and |b| < 1. (a) In a grid that extends infinitely, the first row contains the numbers 1, a, a^2, . . . . The second row contains the numbers b, ab, a^2 b, . read more ..

●●

daddypig May 3, 2020

509

quadratic

Can anyone help with this?

Find all real numbers k, such that the roots of x^2 - 2kx + 5 = 0 are real. Enter your answer using interval notation.

●

Guest May 3, 2020

815

i don't understand this geometry question. can someone please help?

Let , and let be the reflection of over the line . Find the coordinates of .

(No image was given for this problem)
read more ..

●

Guest May 3, 2020

610

+210

ASAP

A stone weighs 650g to the nearest 10g.

What is the least possible weight of the stone?

●

TacoBell May 3, 2020

412

please help

Find the number of 4-digit even numbers, where all the digits are different.

●

Guest May 3, 2020

514

HELP PLEASE!

There are ten people in the Baking Club, including Mark. They choose 3 people to form an executive committee. How many possible committees could be formed that include Mark?

72 is wrong and 40 is wrong

●●●

Guest May 3, 2020

921

Explain please

Four equilateral triangles are constructed on the sides of a square with side length 1 as shown below. The four outer vertices are then joined to form a large square. Find the area of the large square.
read more ..

geno3141 ●

Guest May 3, 2020

546

Please explain how to solve this problem.

Rectangle ABCD contains a point X such that AX = 1, BX = 7, and CX = 8. Find DX.

●

Guest May 3, 2020

All Questions ⁺⁰237681 Questions

please help

I just want to know the answer to this question, it is so confusing

PLZ HELP!

PLZ HELP!

three squares

Casework Counting

difficult geometry question please help :(

sum

help! need help, asap

Help Please!!!

i want to know this please

impossible geometry

help

Trignometry

I really need help ASAP. Thanks.

how many squares

help with probability

algebra 2

quadratic

i don't understand this geometry question. can someone please help?

ASAP

please help

HELP PLEASE!

Explain please

Please explain how to solve this problem.

0 Online Users

Top Users

Sticky Topics