All Questions ⁺⁰230833 Questions

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360

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Calculator question

why does the calculator give -3 or any number squared as a minus number

Guest Jun 2, 2021

0

391

3

+52

Find all roots of the polynomial

Find all roots of the polynomial

ThanksForAllHelp Jun 2, 2021

0

353

3

help with geometry

can this calculator help me with gradient, midpoint and distance?

Guest Jun 2, 2021

0

370

0

+150

Repost

https://web2.0calc.com/questions/math_17616
i'm still confused with this question.
anyone?

Jamesaiden Jun 2, 2021

0

705

1

+81

Im not able to solve this pls

How many nine-digit numbers can be made using each of the digits 1 through 9 exactly once with the digits alternating between odd and even?

IMAGODLYNOOB Jun 2, 2021

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397

3

A translation geometry problem

Quadrilateral ABCD satisfies both conditions below:

the translation that maps A to D also maps B to C.
the reflection over line BD maps A to C. read more ..

Guest Jun 2, 2021

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351

1

Help coordinates

Circle A has its center at A(4,4) and has a radius of 4 units. Circle B has its center at (12,4) and has a radius of 4 units. What is the perimeter of the gray region bound by the circles and the x-axis? Express your answer in terms of pi.
read more ..

Guest Jun 2, 2021

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393

1

Help coordinates

Two circles of radius r are externally tangent to each other and internally tangent to the ellipse x^2 + 2y^2 = 6 as shown below. Find r.

read more ..

Guest Jun 2, 2021

0

334

1

factorise 14psquard

Factorise 14psquared + 21pg

Guest Jun 2, 2021

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467

2

Help with counting

The 5*5 grid shown contains a collection of squares with sizes from 1*1 to 5*5. How many of these squares contain the black square?

read more ..

Guest Jun 2, 2021

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340

2

Math question subset

Let U={1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A={1, 2, 5, 7}, and B={1, 2, 8}. Find the set A ∩ B. A ∩ B=

Guest Jun 2, 2021

0

565

5

+874

Ramanujuan

Prove that $3=\sqrt{1+2\sqrt{1+3 \sqrt{1+4 \sqrt{1+ \cdots}}}}.$

heureka ●●●●●

MathProblemSolver101 Jun 2, 2021

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396

6

Geometry problem

In a parallelogram, let's call it ABCD, let points E and F be the midpoints of sides AB and BC respectively. Find the ration of AP:AF, where P is the intersection of segments AF and CE

Melody ●●●●●●

Guest Jun 2, 2021

0

318

1

Number Theory

How many different triples (a,b,c) from the set {1,2,3,4,5} satisfy the equation a^2 + bc = b^2 + bc?

Guest Jun 2, 2021

0

462

1

An initial population, p, of 1500 bacteria grows in number according to the equation

An initial population, p, of 1500 bacteria grows in number according to the equation
, where t is in hours. Determine the rate at which the population is growing
after 3 h.

Guest Jun 2, 2021

Jun 1, 2021

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350

1

USE DIFFERENCES TO FOUND A PATTERN IN THE SQUENCE

USE DIFFERENCES TO FOUND A PATTERN IN THE SQUENCE
5,14,29,59,113,200, 329

ASSUMING THAT THE PATTERN EIGHTH TERM SHOULD BE read more ..

Guest Jun 1, 2021

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282

2

what

A student applies to four colleges, all of which decide admissions through random lotteries. The probability of admissions to each college is given in the table below. If the student applies to all four of these colleges, what is the probability that he read more ..

Guest Jun 1, 2021

0

328

1

geometric sequence

Consider the geometric sequence 125/9, 25, 45, .... What is the eighth term of the sequence? Express your answer as a common fraction.

ElectricPavlov ●

Guest Jun 1, 2021

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451

6

club question

Our club has 10 members, and we need to appoint a president, a vice-president, and a secretary. How many ways can we do this if: (a) Each member can hold at most one office?

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Guest Jun 1, 2021

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425

1

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 1, 2021

0

240

1

Algebra

Find all real values of x such that
(2x^2 - 3x)/(x^2 - x) + 5x - 11 = (3x^2 + 4)/(x^2 - 1)

Guest Jun 1, 2021

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