All Questions ⁺⁰237785 Questions

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210

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help system

Find all solutions to:
ab + 2a + 2b = −16
ac + 2a + 2c = 26
bc + 2b + 2c = −44 read more ..

Guest Jul 25, 2022

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266

1

Help pls urgent

Simplify , where

Guest Jul 25, 2022

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204

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help coordinates

The distance between the points (x, 21) and (4,7) is 20. Find the sum of all possible values of x.

Guest Jul 25, 2022

Jul 24, 2022

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291

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help coordinates

The points (-1,4) and (2,-8) are adjacent vertices of a square. What is the area of the square?

Guest Jul 24, 2022

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294

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geometry

In the diagram, AOB is a sector of a circle with angle AOB = 60 degrees. OY is drawn perpendicular to AB and intersects AB at X. What is the length of AB?

read more ..

Guest Jul 24, 2022

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263

1

Help!

Suppose that . For example, . FOr how many distinct integers does have exactly three distinct elements?

Guest Jul 24, 2022

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206

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algebra

Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 85 meters tall and 150 meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint read more ..

Guest Jul 24, 2022

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289

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polygon

If each exterior angle of a regular n-gon is 9 how many sides must the polygon have

Guest Jul 24, 2022

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193

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graphing question

On the graph of y = (x + 2)^2 - 10, how many points are there whose coordinates are both negative integers?

Guest Jul 24, 2022

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206

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algebra

Let a and b be real numbers such that a3 +3ab2 =679 and 3a2 b + b3 = -679
Find a + b.

Guest Jul 24, 2022

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254

1

Please Help Soon

Let $\mathbf{p} =
$ and $\mathbf{d} =$ and consider the particle that visits $(x,y,z)$ at time $t$ if

Then if $R = (-1, 3, 5)$, calculate the point $(a,b,c)$ on the line that is closest to $R$. Enter $a, b, c$ read more ..

Guest Jul 24, 2022

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250

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coordinates

A segment with endpoints at A(2, -2) and B(14, 4) is extended through B to point C. If BC = 3*AB, what are the coordinates for point C? Express your answer as an ordered pair.

Guest Jul 24, 2022

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262

1

trig

Find the acute angle A such that sin 7A = cos 8A.

Guest Jul 24, 2022

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209

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quadratic

What is the minimum value of z if z=x^2+2y^2+16x-4y+22-4xy?

Guest Jul 24, 2022

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184

1

quadratic

What is the minimum value of y if y=3x^2+8x+9+x+11?

Guest Jul 24, 2022

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253

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Arithmetic series

What is the remainder when the sum 1 + 7 + 13 + 19 + ... + 253 + 259 + 265 + 271 is divided by 6?

Guest Jul 24, 2022

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200

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Arithmetic sequence

The first four terms in an arithmetic sequence are x + y, x - y, x + 3y, and 1, in that order. What is the fifth term?

Guest Jul 24, 2022

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252

1

sequence

The nth term of a sequence is -(n + 1)(3n + 2). What is the value of a_1 + a_2 + ... + a_{100}.

Guest Jul 24, 2022

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204

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coordinates

The vertices of a triangle are the points of intersection of the line y = -x-1, the line x=2, and y = 5x + 13. Find an equation of the circle passing through all three vertices.

Guest Jul 24, 2022

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190

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system

If 3a + b + c = -3, a+3b+c = 9, a+2b+3c = 19 then find $abc$.

Guest Jul 24, 2022

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209

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help with inequalities

At a certain amusement park, there is a bulk discount for tickets. If you buy up to 60 tickets in one order, the price for each ticket is $70. However if you buy more than 60 tickets in a single order, the price of every ticket is reduced by read more ..

Guest Jul 24, 2022

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288

1

Probability

If the six digits 1, 2, 3, 5, 5, and 8 are randomly arranged into a six-digit positive integer, what is the probability that the integer is divisible by 14? Express your answer as a common fraction.

Guest Jul 24, 2022

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285

2

Find the equation whose graph is the red line shown below. Write your answer in standard form. (Standard form is , where is positive,

Find the equation whose graph is the red line shown below. Write your answer in standard form. (Standard form is , where is positive, and , , and are integers with greatest common divisor 1.)
https://latex.artofproblemsolving.com/7/4/c/74c5df86b7f00975450d79bdc41cd7a1f92e6039.png read more ..

Guest Jul 24, 2022

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