All Questions

429

Hard Problem

Let f(x) = 12x+7 and g(x) = 5x+2 whenever x is a positive integer. Define h(x) to be the greatest common divisor of f(x) and g(x)

Guest Jul 14, 2020

549

please help

Chloe discovers that her rectangular shed is 6 feet longer than three times the width. If the perimeter of the shed is 100 feet, find the dimensions.

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Guest Jul 14, 2020

712

help please

Solve the inequalities -150x ≥ − 2,400 and -336 ≥ − 21y.
x ≤ y≥
choices: read more ..

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Guest Jul 14, 2020

612

find the angle

What is the value of n?

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Guest Jul 14, 2020

-3

668

+980

Help 5

Help

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qwertyzz Jul 14, 2020

606

please help

What is the area of the composite figure?

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Guest Jul 14, 2020

673

+28

Basic probability question

An ordinary 6-sided die has a number on each face from 1 to 6 (each number appears on one face). How many ways can I paint two faces of a die blue, so that the product of the numbers on the painted faces isn't equal to 6?

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awnrs Jul 14, 2020

630

need help with algebra

I keep getting the wrong answer!

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Guest Jul 14, 2020

-1

640

+980

Help 4

Help

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qwertyzz Jul 14, 2020

-2

566

+980

Help 3

help

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qwertyzz Jul 14, 2020

-2

578

+980

Help 2

help

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qwertyzz Jul 14, 2020

-1

565

+980

Help 1

help

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qwertyzz Jul 14, 2020

724

maths

A sports scientist models a new type of squash ball as a sphere with radius 3.38cm.Volume of sphere = 4 3 π r3(a) Work out an estimate for the volume of the squash ball.

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Guest Jul 14, 2020

412

need help with geometry

The diagram shows two congruent right triangles 12-16-20 overlapping to form a dark blue region.
Find the area of this dark blue region.

read more ..

Guest Jul 14, 2020

943

+335

Halp

The expression $3x^2 + 14x + 8$ can be written in the form $(3x + A)(x + B)$ where $A$ and $B$ are integers. What is the value of $A - B$?

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Rayjplayz Jul 14, 2020

690

+335

Halp!

The equation $y = -16t^2 - 60t + 54$ describes the height (in feet) of a ball thrown downward at 60 feet per second from a height of 54 feet from the ground, where $t$ represents time, measured in seconds. In how many seconds will the ball hit the ground? read more ..

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Rayjplayz Jul 14, 2020

628

+980

can someone please help me ASAP

https://web2.0calc.com/questions/help-please_183

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qwertyzz Jul 14, 2020

552

algebra

Factorise

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Guest Jul 14, 2020

738

+306

Grace is thinking of a positive number, less than 500, that is divisible by every number from 1 to 10 (inclusive), with one exception

Grace is thinking of a positive number, less than 500, that is divisible by every number from 1 to 10 (inclusive), with one exception. What number is she thinking of? Prove that the answer is unique.

I figured out that the read more ..

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mathmathj28 Jul 14, 2020

554

geometry

What is the surface area of the triangular prism?

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Guest Jul 14, 2020

1072

+83

Question

$2\sqrt[3]{2}$ is the sixth root of what positive whole number?

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Swim2433 Jul 14, 2020

714

+83

Not sure how to solve this

A proposal will make years that end in double zeroes a leap year only if the year leaves a remainder of 200 or 600 when divided by 900. Under this proposal, how many leap years will there be that end in double zeroes between 1996 and 4096?

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Swim2433 Jul 14, 2020

571

decimales

21/2.5 es 0.84 o 8.4?

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Guest Jul 14, 2020

-1

576

+980

Help please

help

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qwertyzz Jul 14, 2020

554

counting problem

How many ways can you put 2 different rings on the fingers of your right hand?

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Guest Jul 14, 2020

All Questions ⁺⁰237722 Questions

Hard Problem

please help

help please

find the angle

Help 5

please help

Basic probability question

need help with algebra

Help 4

Help 3

Help 2

Help 1

maths

need help with geometry

Halp

Halp!

can someone please help me ASAP

algebra

Grace is thinking of a positive number, less than 500, that is divisible by every number from 1 to 10 (inclusive), with one exception

geometry

Question

Not sure how to solve this

decimales

Help please

counting problem

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