All Questions

248

Equation

Find all values of t such that 6t - 2/3 + 5t = 4 + 3(2 - t).

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Guest Aug 26, 2021

359

help plz

1. A number x is 3 larger than its reciprocal. What is the value of (x - 1/x)^4 ?
2. How many polynomials of the form x^2 + mx + n are there with positive integer roots and n=28?
you can answer then in any order! thank you! read more ..

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Guest Aug 26, 2021

243

What

What
Is
smallest
Number read more ..

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Guest Aug 26, 2021

364

+111

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A ballpoint pen cost 8 times as much as an exercise book. John spent 2/5 of his money one exercise books and 1/3 of the remainder on 3 ballpoint pens. How many exercise books did he buy?

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Ticon6 Aug 26, 2021

331

+111

Please help me to solve this question

Dean spent 1/6 of his money on sports shoes and $30 on a shoe bag.
He spent 1/5 of the remainder on a jersey and saved the rest. He saved $236.
a) What was the cost of the Jersey?
b) How much more did he spent on sports shoes than read more ..

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Ticon6 Aug 26, 2021

418

+176

Don’t forget

https://web2.0calc.com/questions/please-help-its-urgent_1

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Whayousayy Aug 26, 2021

397

+108

Math

https://web2.0calc.com/questions/help-me-asap_22

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KourageKowardlyDog Aug 26, 2021

358

coordinates

You connect the points (0, 0) and (9, 6) with a line segment. Starting at (0, 0), you move 1/4 of the way along the segment. What is the sum of the coordinates of the point you land upon?

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Guest Aug 26, 2021

322

coordinates

On a Cartesian coordinate plane, points (1,2) and (7,-4) are opposite vertices of a square. What is the area of the square?

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Guest Aug 26, 2021

483

help

It took $4$ days for $75$ workers, all working together at the same rate, to build an embankment. If only $50$ workers had been available, how many total days would it have taken to build the embankment?

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Guest Aug 26, 2021

205

Complex Numbers

There are 3 complex numbers a + bi, c + di, and e + fi. If b = 7, e = -a - c, and the sum of the numbers is -3i, find d + f.

Guest Aug 26, 2021

326

Algebra

If we are given x such that 25^x - 9^y = 16 and 5^x - 3^y = 2, find x + y.

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Guest Aug 26, 2021

255

Probability

Leslie has a set of 8 cards numbered 1 to 8. She randomly selects 2 cards one at a time WITHOUT replacement. What is the probability that she selects an odd number first and then an even number?

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Guest Aug 26, 2021

-4

2219

+73

What vector points from the origin to the point (4, 3, -1)?

1. What vector points from the origin to the point (4, 3, -1)?

2. Write (-3, 0, 2) as a sum of two vectors: read more ..

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GAMEMASTERX40 Aug 26, 2021

Aug 25, 2021

188

Quadratic

Let r and s be the roots of 3x^2 + 4x + 12 = x^2 + 5x + 1. Find r^2 + s^2.

Guest Aug 25, 2021

347

Function

Let
f(x) = 3x + 5 if x < -3
f(x) = 7x + 4 if x >= 3
Find f(5). read more ..

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Guest Aug 25, 2021

322

Geometry problem

In triangle JKL, we have JK = JL = 25 and KL = 20. Find the circumradius

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Guest Aug 25, 2021

323

Quadratic equations

What real value of produces the smallest value of the quadratic t^2 - 9t - 36 + 3t^2 - t + 10?

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Guest Aug 25, 2021

313

help algebra

For what values of y does the following equation have no solutions for x?

xy+6y+20x+4=1

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Guest Aug 25, 2021

247

geometry

As shown in the figure, 2 angle bisectors of triangle ABC, line BE, and CF, intersect at P. if angle EPF = 111 degrees, what is angle A in degrees?
read more ..

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Guest Aug 25, 2021

261

help pls

In the diagram, CBD = CDB, ABP = 5x-7, and EDQ = 2x+11. What is ABD in degrees?

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Guest Aug 25, 2021

316

If a bird flies at a rate of 2/3 of a mile per minute, then at how many miles per hour is it flying?

If a bird flies at a rate of 2/3 of a mile per minute, then at how many miles per hour is it flying?
read more ..

Guest Aug 25, 2021

191

help probability

Two cards are chosen at random from a standard 52-card deck. What is the probability that they are either both hearts or both diamonds or both Aces?

Guest Aug 25, 2021

195

help trig

In right triangle ABC, with B = 90 degrees, we have sin A = 2 cos A + tan A. What is tan A?

Guest Aug 25, 2021

All Questions ⁺⁰232635 Questions

Equation

help plz

What

undefined

Please help me to solve this question

Don’t forget

Math

coordinates

coordinates

help

Complex Numbers

Algebra

Probability

What vector points from the origin to the point (4, 3, -1)?

Quadratic

Function

Geometry problem

Quadratic equations

help algebra

geometry

help pls

If a bird flies at a rate of 2/3 of a mile per minute, then at how many miles per hour is it flying?

help probability

help trig

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