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985

A sorcerer

A sorcerer is concocting a healing potion. In order to do so, he must have one of three roots, and one of five minerals. However, one of the minerals is incompatible with two of the roots. Otherwise, he does not foresee any complications with other combinations read more ..

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Guest Jul 24, 2020

394

please help

A quadratic of the form -2x^2 + Bx +C has roots of 3+ (sqrt 5) and 3- (sqrt 5).The graph of Y= -2x^2 + Bx +C is a parabola. Find the vertex of this parabola.

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Guest Jul 24, 2020

314

stuck on inequality

Solve 4|x+2|≥16

Guest Jul 24, 2020

526

help with area solving

Charlyn walks completely around the boundary of a square whose sides are exactly 5 km long. From any point on her path she can see exactly 1 km horizontally in all directions. What is the area of the region consisting of all points Charlyn can see during read more ..

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Guest Jul 24, 2020

420

HELPPP

A carton of juice with a 50-ounce capacity contains 49 ounces of juice. If Pete drinks 38 ounces of the juice, what percent of the carton will be empty?

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Guest Jul 24, 2020

331

geometry

In a rectangle ABCD, AB=5cm,BC=3cm. Points F and G lies on line segment CD such that DF=1cm,GC=2cm. Lines AF and BG when joined and extended intersects at E. Find the area of triangle ABE.

Guest Jul 24, 2020

417

please help

From the top of a 7-meter-high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine the height of the tower in meters.

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Guest Jul 24, 2020

915

+566

Geometric Probability

Let DEF be an equilateral triangle with side length 3. At random, a point G is chosen inside the triangle. Compute the probability that the length DG is less than or equal to 1.

This is a really fun problem, and I have drawn read more ..

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iamhappy Jul 24, 2020

355

number theory

Find the number of pairs of positive integers (a,b) such that 2a + 3b = 1000.

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Guest Jul 24, 2020

450

Please i really need help

What is the surface area?

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Guest Jul 24, 2020

497

1+x-(10x^2)/400

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Guest Jul 24, 2020

-1

455

+140

HELPP!

When (81x^2/7) (2/9x^3/7) is simplified, it can be written in the form ax^b where a and b are real numbers. Find ab.

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Creampuff Jul 24, 2020

800

halp!

A teenager is someone who is 13, 14, 15, 16, 17, 18 or 19 years old. The product of the ages of a particular group of teenagers is 705,600. What is the mean of their ages in years? Express your answer as a decimal to the nearest tenth.

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Guest Jul 24, 2020

1045

help

A rectangular band formation is a formation with m band members in each of r rows, where m and r are integers. A particular band has less than 100 band members. The director arranges them in a rectangular formation and finds that he has two members read more ..

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Guest Jul 24, 2020

672

+283

Geometry Question

Hi could someone please help me with this question? It would really mean a lot to me:

ABCDEFGHIJK is a regular decagon. The rotation centered at G with an angle of a takes D to J. Given that a < 180 degrees, find a.
read more ..

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Caffeine Jul 24, 2020

529

+865

help

https://web2.0calc.com/questions/some-more-help_1

AnimalMaster Jul 24, 2020

488

need help

In the figure, ABCDE is a regular pentagon and DEFG is a square. CD
produced and GF intersect at H. Find x.

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Guest Jul 24, 2020

1597

+283

Algebra Questions

Hi, could someone help me with these questions?
1. Find the ordered pair (s, t) that satisfies the system (s/2)+5t=3 3t-6s=9

2. For a certain value of k, the system read more ..

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Caffeine Jul 24, 2020

326

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Guest Jul 24, 2020

276

help

https://web2.0calc.com/questions/please-help_64616

Guest Jul 24, 2020

406

please help

Find the axis of symmetry and vertex for the parabola y=−5x^2+30x+7.

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Guest Jul 24, 2020

345

pls help pls asap

x^2+px+q=0

are real. Prove that the roots of

x^2+px+q+(x+a)(2x+p)=0 read more ..

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Guest Jul 24, 2020

597

+163

Math help Please

Let and be positive real numbers such that
Find the minimum value of

Thanks in advance.
read more ..

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Firebolt Jul 24, 2020

410

triangle question

Help, please!! What is mA?

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Guest Jul 24, 2020

All Questions ⁺⁰230469 Questions

A sorcerer

please help

stuck on inequality

help with area solving

HELPPP

geometry

please help

Geometric Probability

number theory

Please i really need help

1+x-(10x^2)/400

HELPP!

halp!

help

Geometry Question

help

need help

Algebra Questions

help

please help

pls help pls asap

Math help Please

triangle question

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