All Questions

538

+865

i need some assistance

Find the fifth term of the geometric sequence with first term 2 and second term 1/4.

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AnimalMaster Jul 17, 2020

454

Geometry Problem

i don't quite understand how to get the length of dm, can someone help?

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Guest Jul 17, 2020

431

Im a bit confused

The integers 1,2,3, ... 100 are written on the board. What is the smallest number of these integers that can be wiper off so that the product of the remaining integers ends in 2?
a) 20
b) 21
c) 22 read more ..

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Guest Jul 17, 2020

450

+865

please help

https://web2.0calc.com/questions/pls-help_14236

AnimalMaster Jul 17, 2020

325

question on inequalities

Consider the system of four linear inequalities. The lines corresponding to these inequalities are shown in the graph below, along with the lettered regions they define. Which lettered region defines the solution to the system of inequalities?
read more ..

Guest Jul 17, 2020

376

i asked this question weeks ago and no one answered it and i need help

Jacob is constructing a fish tank that is 1.2 m long, 0.6 m wide, and 0.4m high. How much glass will he need to make it? (Note: There will be no glass on the top.)

Guest Jul 17, 2020

608

+80

2 variable word problems

Recently, Frank took a one-hundred question aptitude test where each correct answer scored 7 points, each incorrect answer scored -2 points, and each question not answered scored zero points. Frank answered 90 questions and scored 495 points. How many questions read more ..

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Unicornrabbit Jul 17, 2020

619

+80

Magnitude of Complex Numbers

Gracie and Joe are choosing numbers on the complex plane. Joe chooses the point 1+2i. Gracie chooses -1+i. How far apart are Gracie and Joe's points?

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Unicornrabbit Jul 17, 2020

422

triangle problem

What is the area of triangle ABC?

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Guest Jul 17, 2020

444

+980

Please help ASAP

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qwertyzz Jul 17, 2020

-3

537

math help please!

The numbers $1,$ $2,$ $\dots,$ $10$ are to be entered into the 10 boxes shown below, so that each number is used exactly once: \[P = (\square + \square + \square + \square + \square)(\square + \square + \square + \square + \square).\]What is the maximum read more ..

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NIbberlat Jul 17, 2020

477

age problem

Pat is 2 years younger than his wife, Wynn. Ten years ago the sum of their ages was 48. How old are they now?

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Guest Jul 17, 2020

325

how do i solve this and problems like this

write a polynomial function of least degree with intergral coefficients that have the given zeros -1-i,-1,i

Guest Jul 17, 2020

357

Can me show me have to solve this and problems like this?

Can you show me the steps to solve this? factor, a zero has been given. f(x)=x^3-7x^2+5x+15; 4

Guest Jul 17, 2020

692

+19

Some Fun NT

How many integers m are there such that 0 < m < 100 and gcd(m, 100) is a single-digit number?

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Shadowfax13 Jul 17, 2020

484

help with line

What is an equation in point-slope form for the line that passes through the points (4,−1) and (−3,4)?

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Guest Jul 17, 2020

879

+16

i think i got part a down $$z^2 - 2(x)(z)cos(\theta) + (x^2 - y^2)= 0$$ I need help with part b

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles $ABC$ and $DEF$ such that $AB = DE$, $BC = EF$, and $\angle A = \angle D$, then we cannot deduce that $ABC$ and $DEF$ are congruent. However, read more ..

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web20calcnoob Jul 17, 2020

1248

+28

What is the smallest possible perimeter, in units, of a triangle whose side-length measures are consecutive integer values?

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awnrs Jul 17, 2020

487

Arithmetic sequences

Find the number of terms common to the two A.P.'s 3,7,11,.....,407 and 2,9,16,.....,709

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Guest Jul 17, 2020

426

Hello, I need help.

How many multiples of 9^3 are greater than 9^4 and less than 9^5?

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Guest Jul 17, 2020

488

geometry

Two parallel chords in a circle have lengths 6 and 8. The distance between them is 1. Find the diameter of the circle.

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Guest Jul 17, 2020

466

help solve

Solve 2/3*(a - 14) = -3(a - 3).

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Guest Jul 17, 2020

633

algebra

Yesterday Teddy played a game repeatedly on his computer and won exactly 85% of his games he played. Today, Teddy played the same game repeatedly, winning every game he played, until his over-all winning percentage was exactly 94%. What is the minimum number read more ..

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Guest Jul 17, 2020

596

+80

Expressions

The volume of a cone is given by the formula , where B is the area of the base and h is the height. The area of the base of a cone is 30 square units, and its height is 6.5 units. What is the number of cubic units in its volume?
read more ..

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Unicornrabbit Jul 17, 2020

1473

+93

How many different positive integers can be represented as a difference of two distinct members of the set

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stuckonmyproblem Jul 17, 2020

All Questions ⁺⁰234941 Questions

i need some assistance

Geometry Problem

Im a bit confused

please help

question on inequalities

i asked this question weeks ago and no one answered it and i need help

2 variable word problems

Magnitude of Complex Numbers

triangle problem

Please help ASAP

math help please!

age problem

how do i solve this and problems like this

Can me show me have to solve this and problems like this?

Some Fun NT

help with line

i think i got part a down $$z^2 - 2(x)(z)cos(\theta) + (x^2 - y^2)= 0$$ I need help with part b

What is the smallest possible perimeter, in units, of a triangle whose side-length measures are consecutive integer values?

Arithmetic sequences

Hello, I need help.

geometry

help solve

algebra

Expressions

How many different positive integers can be represented as a difference of two distinct members of the set

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