All Questions

311

Answer this in the old link.

https://web2.0calc.com/questions/plz-help_47483

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Guest Jun 30, 2022

309

Geometry

sixtynienejdjdjdnd

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Guest Jun 30, 2022

282

Help please

...

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Guest Jun 30, 2022

316

help coordinates

The vertices of a convex pentagon are (-1, -1), (-3, 4), (1, 9), (8, 5) and (3, -1). What is the area of the pentagon?

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Guest Jun 30, 2022

343

PLEASE HELP ME

Completely factor the following expression:\[(9x^5+25x^3-4)-(x^5-3x^3-4).\]

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Guest Jun 30, 2022

295

Number Theory

A number x is equal to 7*24*48*60. What is the smallest positive integer y such that the product xy is a perfect cube?

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Guest Jun 30, 2022

314

help geometry

Points A, B, C, and D and lie on a line in alphabetical order. If AB: BD =5:7 and AC: CD = 18:11, determine the ratio AB: BC : CD

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Guest Jun 30, 2022

328

Algebra

The solutions to
2x^2 - 10x + 13 = x^2 - 17
are a + bi and a - bi where a and b are positive. What is ab?

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Guest Jun 30, 2022

328

Algebra

Suppose a/b=3/5, b/c=6/15, and c/d=6. What is the value of a/d?

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Guest Jun 30, 2022

320

counting

How many four-digit, positive integers are there where each digit is a different prime number?

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Guest Jun 30, 2022

225

help system

Find the ordered triplet (x,y,z) for the following system of equations:
x + 3y + 2z = 1
-3x + 7y + 5z = 10
-2x - 3y + z = 7 read more ..

Guest Jun 30, 2022

269

Inequality

Find the number of integers n that satisfy n^2 <100 + 80n.

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Guest Jun 30, 2022

348

+13

Help with amc8 homework problems

i need help solving each of these. Please help me understand how to do each problem as I actually want to know how to solve it and get the correct read more ..

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iambog Jun 30, 2022

297

Help asap

What is the area of this figure?

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Guest Jun 30, 2022

285

I need some help with this problem

Find the ordered pair that satisfies the system of equations

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Guest Jun 30, 2022

310

Help

Clayton works at a coffee shop on weekends. Every now and then, a customer will order a hot tea and ask Clayton to surprise them with the flavor. The teas are categorized by flavor and caffeine level.

read more ..

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Guest Jun 30, 2022

270

Help

A journalist attended a crossword puzzle competition. The competition ends when a contestant has accurately completed five different crossword puzzles. For her story, the journalist recorded the home country and final score of each contestant. read more ..

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Guest Jun 30, 2022

225

Proportion

The numbers x^3 and y^2 are inversely proportional. If x=2 when y=1, what is y if x=15 and y is positive? Write your answer in simplest radical form.

Guest Jun 30, 2022

224

need help with geometry

Find the inradius of triangle ABC.

Find the circumradius of triangle ABC.
read more ..

Guest Jun 30, 2022

333

Graphing parabolas

The graph of y=ax^2+bx+c is given below, where a, b, and c are integers. Find a.

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Guest Jun 30, 2022

341

Algebra problem

The square root of x is greater than 3 and less than 10. How many integer values of x satisfy this condition?

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Guest Jun 30, 2022

403

+13

A 10-cm stick has a mark at each centimeter. By breaking the stick at two of these nine marks at random, the stick is split into three piece

A 10-cm stick has a mark at each centimeter. By breaking the stick at two of these nine marks at random, the stick is split into three pieces, each of integer length. What is the probability that the three lengths could be the three side lengths of a triangle? read more ..

Melody ●●●●●

hot18594 Jun 30, 2022

317

Algebra

For which value(s) of x are (3 + x)/(5 + x) and (1 + x)/(2 + x) equal?

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Guest Jun 30, 2022

318

Domain

Find the greatest integer value of b for which the expression (9x^3+4x^2+11x+7)/(x^2+bx+68) has a domain of all real numbers.

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Guest Jun 30, 2022

351

Sherry had 7/8 of a cup of sugar in her kitchen, and then she used 1/2 of a cup of sugar to make sweet tea. She used what fraction of her su

Sherry had 7/8 of a cup of sugar in her kitchen, and then she used 1/2 of a cup of sugar to make sweet tea. She used what fraction of her sugar to make sweet tea?

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Guest Jun 30, 2022

All Questions ⁺⁰238000 Questions

Answer this in the old link.

Geometry

Help please

help coordinates

PLEASE HELP ME

Number Theory

help geometry

Algebra

Algebra

counting

help system

Inequality

Help with amc8 homework problems

Help asap

I need some help with this problem

Help

Help

Proportion

need help with geometry

Graphing parabolas

Algebra problem

A 10-cm stick has a mark at each centimeter. By breaking the stick at two of these nine marks at random, the stick is split into three piece

Algebra

Domain

Sherry had 7/8 of a cup of sugar in her kitchen, and then she used 1/2 of a cup of sugar to make sweet tea. She used what fraction of her su

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