All Questions

304

triangle

What is the area of the shaded triangle, shown here?

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Guest Jul 19, 2022

304

Fractions

If 1/6 + 1/7 + 1/n = 1/3 + 1/8 + 1/9, what is the value of n?

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Guest Jul 19, 2022

313

system

For what value of the constant a does the system of equations below have infinitely many solutions?
2x + 5y = -8
6x - 2y = 16 + a - 15y

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Guest Jul 19, 2022

293

geometric series

Find the value of b given that
b/7+b^2/7^2+b^3/7^3.....=1

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Guest Jul 19, 2022

333

+275

Confused. Thought it was 10 or 3

Cora has exactly four wooden toy blocks with digits on them. Two of the blocks have the digit one of the blocks has the digit and one of the blocks has the digit How many distinct positive integers can she form using one or more of the blocks, without using read more ..

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Jasonkiln Jul 19, 2022

261

quadrilaterals

The numerical value of a particular square's area is equal to four times the numerical value of its perimeter. What is the length of a side of the square?

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Guest Jul 19, 2022

264

I thought it was 6?

In how many ways can four people with different heights line up single-file so that exactly two people are taller than the person behind them?

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Guest Jul 19, 2022

259

sequences

Let a_1, a_2, a_3, ... be a non-constant arithmetic sequence. suppose that a_4, a_7, a_10 form a geometric sequence. If a_7 = 30, what is a_1?

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Guest Jul 19, 2022

256

precalc

My cat is standing on the plane 3x+2y+z = 4. Its head is at (0,-1,-8) and the tip of its tail is at (-4,-6,-2). Measured from the plane, what is the difference between the height of my cat's head and my cat's tail? Enter your answer in the read more ..

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Guest Jul 19, 2022

310

Algebra

What is the smallest distance between the origin and a point on the graph of y = \frac{1}{\sqrt{2}} (x^2 - 18)

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Guest Jul 19, 2022

309

The wording is very weird. I do not get the question

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Guest Jul 19, 2022

253

need help with math question

A group of yeast cells grows by 75% every 3hrs. At 9am, there are 200 yeast cells.

a) write an equation that models the number of cells, given the number of hours after 9am
b) Determine the number of yeast cells after 10 hours. read more ..

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Guest Jul 19, 2022

318

+275

I am confused if i can repeat numbers. Overall i am very confused.

A fivey sequence is a sequence of positive integers whose terms add up to 5. For example, 2, 2, 1$ and $2, 1, 2 are two different fivey sequences. How many fivey sequences are there?

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Jasonkiln Jul 19, 2022

296

Graphing parabolas

The graph of y = ax^2 + bx + c, in which a, b, and c are real numbers, is shown. What is the value of a + 2b - c? Express your answer in simplest radical form.

read more ..

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Guest Jul 19, 2022

285

PLZZ HELP !What is the limit of the infinite series?

What is the limit of the infinite series?
∞
∑ (5n^5 / 4n^5+5)
n=1 read more ..

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Guest Jul 19, 2022

290

quadratic

A creature on the moon throws a rock off a cliff. the height of the rock above the surface of the moon, in meters, t seconds after it is thrown is given by h(t) = -t^2 +8t +10. when does the rock first reach a height of 12 meters?

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Guest Jul 19, 2022

313

counting question

Six cars pull up to a red light, one at a time. At the light, there are three lanes, one left-turn lane, one straight-going lane, and one right-turn lane. How many ways can the cars stack up?
Note that if the first car turns left and the second goes read more ..

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Guest Jul 19, 2022

319

geometry

Bob placed three regular pentagons together at a vertex, thinking he might be able to form a tessellation. However, they left a gap. What is the number of degrees in the measure indicated?

read more ..

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Guest Jul 19, 2022

272

Help with linear inequalities

Find a linear inequality with the following solution set. Each grid line represents one unit.

Picture:
https://latex.artofproblemsolving.com/b/d/c/bdc17544a660a2ede75d5c2642f86c2311ec1028.png read more ..

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Guest Jul 19, 2022

219

two roads intersect at 90 degrees at 9:00

Two roads intersect at 90 degrees.

Guest Jul 19, 2022

269

Find a linear inequality with the following solution set. Each grid line represents one unit.

[asy]
size(200);
fill((2,-5)--(-5,-5)--(-5,5)--(5,5)--(5,-2)--cycle,yellow);
real ticklen=3;
real tickspace=2; <#> real ticklength=0.1cm; <#> real axisarrowsize=0.14cm; <#> pen axispen=black+1.3bp; <#> real vectorarrowsize=0.2cm; <#> real tickdown=-0.5; <#> real read more ..

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Guest Jul 19, 2022

307

Quadratic formula

If the roots of the quadratic equation 1/2*x^2 + 99x + c = 0 are x = -99 - sqrt(8101) and x = -99 + sqrt(8101), then what is the value of c?

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Guest Jul 19, 2022

286

Graphing question

The graph of y = f(x) has the line x = 5 as an axis of symmetry. The graph also passes through the point (-8,-7). Find another point that must lie on the graph of y = f(x).

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Guest Jul 19, 2022

280

help plz

The three heights of a triangle are 1/3, 1/4, and 1/6. What is its area?

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Guest Jul 19, 2022

281

Polynomials

Let f(x) be a polynomial such that f(0)=4 f(1)=5 and f(2)=18 Find the remainder when f(x) is divided by x(x-1)(x-2)

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Guest Jul 19, 2022

All Questions ⁺⁰237784 Questions

triangle

Fractions

system

geometric series

Confused. Thought it was 10 or 3

quadrilaterals

I thought it was 6?

sequences

precalc

Algebra

The wording is very weird. I do not get the question

need help with math question

I am confused if i can repeat numbers. Overall i am very confused.

Graphing parabolas

PLZZ HELP !What is the limit of the infinite series?

quadratic

counting question

geometry

Help with linear inequalities

two roads intersect at 90 degrees at 9:00

Find a linear inequality with the following solution set. Each grid line represents one unit.

Quadratic formula

Graphing question

help plz

Polynomials

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