All Questions ⁺⁰237779 Questions

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265

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Coordinates

Find the value of c such that the three points (5,5), (-3,7), and (6,c) lie on the same line.

Note: Three points are on the same line if the slope of the line through any two points is always the same.

Guest Jun 18, 2022

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257

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help plz

Given that a and b are positive integers and that a + b = 24 , what is the value of ab if 2ab + 10a = 3b + 257 ?

Guest Jun 18, 2022

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263

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help math problem

I pick two whole numbers x and y between 1 and 10 inclusive (not necessarily distinct). My friend picks two numbers x - 4 and 2y + 1. If the product of my friend's numbers is one greater than the product of my numbers, then what is the product of my numbers? read more ..

Guest Jun 18, 2022

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265

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help algebra

Solve for y if 9^y = 3^5*9*27.

Guest Jun 18, 2022

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335

7

Math Help

Homework assignment deleted.

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Guest Jun 18, 2022

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197

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Number theory

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

Guest Jun 18, 2022

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257

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Probability

Three integers are chosen at random without replacement from the first 20 positive integers. What is the probability that their product is even?

Guest Jun 18, 2022

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259

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Roots

The roots of x^2 + 5x + 3 = 0 are p and q, and the roots of x^2 + bx + c = 0 are p^3 and q^3. Find b + c.

Guest Jun 18, 2022

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289

1

GEOMETRY HELP

Consider the following points on the graph of y=sin(x):

Say that the terminal points of angles a and b are as follows:
Terminal read more ..

Guest Jun 18, 2022

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320

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coordinates

In the coordinate plane, let R be the region defined by 2 <= |x| + |y| <= 4. Find the area of R.

Guest Jun 18, 2022

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284

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need help

A positive integer n meets the following conditions:
- n is greater than 1.
- n divided by 3 plus 15 is greater than n divided by 2 minus seven.
How many numbers could be n?

Guest Jun 18, 2022

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276

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Arithmetic sequence

The 3rd and 6th terms of an arithmetic progression are 94 and 85 respectively. Find the value of the 15th term.

Guest Jun 18, 2022

Jun 17, 2022

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238

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Numbers

If the arithmetic mean of a two numbers is 10 and the harmonic mean is 360. Find the geometric mean of the numbers.

Guest Jun 17, 2022

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366

1

Algebra

The numbers 2,4,x form a geometric progression and the sequence 3,x,y is an arithmetic progression. Determine the value of y.

Guest Jun 17, 2022

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274

1

Algebra

The numbers 1,b,c form an arithmetic progression and the numbers 1,b,c+1 form a geometric progression. Find c.

Guest Jun 17, 2022

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316

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PLZ HELPPP

Given R(-6,19) and S(15,-5), what are the coordinates of the point on segment RS two-thirds of the distance from R to S?

Guest Jun 17, 2022

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302

2

Inequality

Solve the inequality (4-z)(z+7) ≥ 2

Guest Jun 17, 2022

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267

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help algebra

Solve for z: iz^3 + iz^2 + iz + i = 0.

Guest Jun 17, 2022

+2

321

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+491

T-Test

Can someone please help explain how to do a T-Test?

read more ..

Elijah Jun 17, 2022

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320

1

Ratio and proportion

90 liters of Bhanda milk and Pane Poorna came full. If 70% milk and 40% water is put out, the bread should be half cooked. Bhandyatil milk and cheese, how many virtues must have been in the beginning
1) 2:1
2) 2:3
3) 1:2
4) 3:5 read more ..

Guest Jun 17, 2022

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332

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Parabola

Convert 4x^2 + 5x + 2 - x^2 + x + 6 into vertex form.

Guest Jun 17, 2022

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