All Questions

162

Geometry

1) Triangle ABC has side lengths 29, 40, and 40. Find the circumradius of triangle ABC.

2) Triangle ABC has side lengths 29, 40, and 40. Find the inradius of triangle ABC.

Guest Nov 3, 2021

166

Domain question

Find the greatest integer value of b for which the expression (9x^3 + 4x^2 + 11x +7)/(x^2 + bx + 28) has a domain of all real numbers.

Guest Nov 3, 2021

248

Geometry question

In a circle, the length of an arc intercepted by a central angle is 12mm, and the radius of the circle is 8mm. What is the measure, in radians, of the angle?

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Guest Nov 3, 2021

436

What is the value of x in this equation? 4x + 2 – (3 + 3x) = 7

What is the value of x in this equation?
4x + 2 – (3 + 3x) = 7

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Guest Nov 3, 2021

207

Please help me

The ages of three siblings now are in the ratio 1:3:5. In 6 years' time, their total age will be 54 years. Find the youngest siblings's age now.

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Guest Nov 3, 2021

221

Please help and explain. Thank you.

Alden Paid $197 for 2 similar T-shirts and 3 similar pairs of jeans. Ben paid $236 for 1 such T-shirt and 4 such pairs of jeans. What was the cost of 1 pair of jeans?

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Guest Nov 3, 2021

240

I need detailed explanation

Ethan and Daniel have some marbles. If Ethan gives Daniel 16 marbles, both of them will have an equal number of marbles. If Daniel gives Ethan 9 marbles, the ratio of the number of marbles Ethan has to the number of marbles Daniel has will be 6:1. How many read more ..

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Guest Nov 3, 2021

163

Domain question

We define a function f(x) such that f(11) = 34, and if there exists an integer a such that f(a) = b, then f(b) is defined and f(b) = b - 1 if is odd, f(b) = b/2 if b is even. What is the smallest possible number of integers in the domain of f? read more ..

Guest Nov 3, 2021

170

Algebra

There are numbers A and B for which A/(x - 1) + B/(x + 1) = (x + 3)/(x^2 - 1) for every number x other than 1 and -1. Find .A - B.

Guest Nov 3, 2021

218

Pls help

In the morning, Jaffar sold some muffins at 4 for $11. In the afternoon, he received $600 from the sale of 5/6 of the remaining muffins at $2 each. In the end, he had 1/8 of the total number of muffins left. How much money did Jaffar receive from the read more ..

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Guest Nov 3, 2021

280

+22

Another Math Puzzle

5.55 moola. I know dat may sound steep but it's one of those special blends. See, I'm not well. Things have been rough for me. I only get a .25 of a moola from every 4th person that walks by. I got .45 moola already. I need ta know how many people will read more ..

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Animecatgirl Nov 3, 2021

302

+22

Math Puzzle

Input the value of eleven less than three times 8

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Animecatgirl Nov 3, 2021

244

Help as soon as possible please!

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from 1 to 10, and one SuperBall is drawn (at random) from ten red balls numbered from 11 to 20. When you buy a ticket, you choose three numbers from 1 to read more ..

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Guest Nov 3, 2021

334

Probability

A point (x, y) is randomly chosen such that 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1. What is the probability that y ≤ 2x - 1?

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Guest Nov 3, 2021

346

help with system

Suppose a, b, c, and d are real numbers which satisfy the system of equations
a + 2b + 3c + 4d = 10
4a + b + 2c + 3d = 4
3a + 4b + c + 2d = -10 read more ..

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Guest Nov 3, 2021

278

Algebra

If sqrt(6y + 2)/sqrt(2y + 2) = 5/2, solve for y. Express your answer in simplest fractional form.

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Guest Nov 3, 2021

363

how do you solve f(x) = g(x)

here is the table
x:-2,-1,0,1
f(x):6,2,-2,-6
g(x):4,2,0,-2 read more ..

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Guest Nov 3, 2021

233

need help

What is the maximum possible value of the greatest common divisor of two consecutive terms of the sequence a_n = n^2 + n + 1, where n >= 0?

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Guest Nov 3, 2021

216

Rates

One person can do a certain job in six days, a second person can do the same job in two days, and a third person can do this job in three days. How many days will they take to do the job together?

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Guest Nov 3, 2021

415

+13

Geometry Help!!

Let AB = 5, BC = 12, and AC = 13. What is the circumradius of the triangle ABC?

What I tried so far:
I drew the triangle with the side lengths and realized that the point from A to the middle of BC forms a right angle, read more ..

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Pigwidgeon Nov 3, 2021

226

Sequences

The product of the first and the third terms of an arithmetic sequence is 9. If all terms of the sequence are positive integers, what is the fourth term?

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Guest Nov 3, 2021

Nov 2, 2021

352

What is 6 to the 10th power X 67

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Guest Nov 2, 2021

314

Probability

Ben chooses a random integer between 1 and 50, inclusive, twice (and he may choose the same integer twice). What is the probability that at least one of the numbers Ben chooses is a multiple of $5$?

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Guest Nov 2, 2021

216

Functions

Given that f(x) = 1/x + 1/(x + 1), what is f(f(-2))? Express your answer as a common fraction.

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Guest Nov 2, 2021

234

math

Fill in the blank question. The distance from the top of the cone to the edge is 15 feet. The height of the cone is 6 feet. What is the radius of the cone? Round to the nearest tenth.

Guest Nov 2, 2021

All Questions ⁺⁰230576 Questions

Geometry

Domain question

Geometry question

What is the value of x in this equation? 4x + 2 – (3 + 3x) = 7

Please help me

Please help and explain. Thank you.

I need detailed explanation

Domain question

Algebra

Pls help

Another Math Puzzle

Math Puzzle

Help as soon as possible please!

Probability

help with system

Algebra

how do you solve f(x) = g(x)

need help

Rates

Geometry Help!!

Sequences

What is 6 to the 10th power X 67

Probability

Functions

math

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