All Questions ⁺⁰237643 Questions

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173

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need help with graphing

The graph of y = f(x) is shown below.

For each point (a,b) that is on the graph of y = f(x), the point ((a - 7)/2, (3b + 1)/4) is plotted, forming the graph of another function y = g(x). As an example, the point read more ..

Guest Dec 8, 2022

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209

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Algebra

Find all real numbers x such that
(3^x - 27)^3 + (27x - 3)^3 = 3x + 27x - 30.

Guest Dec 8, 2022

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178

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help complex numbers

Find all the solutions to z^4 = -4 - 5z^2 in complex numbers.

Express all the solutions in the form a + bi, where a and b are real numbers.

Guest Dec 8, 2022

+1

254

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+11

Help plzzzzz.

how do you graph y+2=3(x+1)?
(P.S, also plzzzzz leave a file attached and explain well. PLZZZZZ)

JustGoKen Dec 8, 2022

+1

193

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Tangent circles

The two circles below are externally tangent. A common external tangent intersects line PQ at R. Find QR.

Guest Dec 8, 2022

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173

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Expected value

The grid below is made up of line segments, like the line segment in red.
There are a number of paths that go from A to B in the grid, where every step goes to the right or up. If we choose a line segment at random, then what is the expected number of read more ..

Guest Dec 8, 2022

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183

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Algebra

Carissa the chessplayer is a very, very slow walker. In fact, she walks at 100 meters per hour when walking uphill, 180 meters per hour when walking across flat ground, and 250 meters per hour when walking downhill. One day, read more ..

Guest Dec 8, 2022

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207

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precalc

I dont know how to do this problem:
(a)

(b) read more ..

Guest Dec 8, 2022

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182

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Which number is equivalent to 3^(4)÷3^(2)

Which number is equivalent to 3^(4)÷3^(2)

Guest Dec 8, 2022

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194

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Absolute value

Find all solutions of the equation
|x^2 - 30x - 1| + |x^2 - 30x + 29| = 30.

Guest Dec 8, 2022

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182

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graphing question

The graph of y = f(x) is shown below.

For each point (a,b) that is on the graph of y = f(x), the point ((a - 7)/2, (3b + 1)/4) is plotted, forming the graph of another function y = g(x). As an example, the point read more ..

Guest Dec 8, 2022

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233

1

77-8=

Guest Dec 8, 2022

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203

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Probability

The dartboard shown is a 12-inch square. Each inner square is formed by joining the midpoints of the larger square. What is the probability of landing within the shaded area with a throw of one dart, assuming that the dart lands and sticks on read more ..

Guest Dec 8, 2022

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179

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Probability question

In the SuperLottery, three balls are drawn (at random, without replacement) from white balls numbered from 1 to 12, and one SuperBall is drawn (at random) from red balls numbered from 13 to 20. When you buy a ticket, you choose three numbers from 1 to 12, read more ..

Guest Dec 8, 2022

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173

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fortnite

Guest Dec 8, 2022

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186

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fractions

how do I make fractions on this calculator?

btw what is the answer to 2/7 ∙ 6 =
2/7 i supossed to be a fraction. read more ..

Guest Dec 8, 2022

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188

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need help with probability

In the SuperLottery, three balls are drawn (at random, without replacement) from white balls numbered from 1 to 12, and one SuperBall is drawn (at random) from red balls numbered from 13 to 20. When you buy a ticket, you choose three numbers from 1 to 12, read more ..

Guest Dec 8, 2022

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232

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help with this plz!

Evaluate the power. (−6)3 =

Guest Dec 8, 2022

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179

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help me with this

Evaluate the power. (−6)3 =

Guest Dec 8, 2022

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183

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Probability

A bag contains five white balls and three black balls. Your goal is to draw two white balls.

(a) You simultaneously draw two balls at random. What is the probability that they are both white?
(b) You simultaneously draw two balls read more ..

Guest Dec 8, 2022

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175

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help probability

Valeria has three coins, each of which has a probability of 1/2 of coming up heads. On her first turn, she flips all three coins. If all three come up heads, then she stops. Otherwise, for her second turn, she flips any coins that came up tails. read more ..

Guest Dec 8, 2022

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169

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Identity

For a certain function f(n), the identity
(2n)/n - (2n)/(n + 1) = f(n) (2n)/n
for all nonnegative integers n. Find f(n).

Guest Dec 8, 2022

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190

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solving linear inequalities

solving linear inequalities

Guest Dec 8, 2022

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191

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Geometry question please help this is urgent

Hello I'm looking for help on this geometry problem. Please don't tell me the answer, just how you would approach it/ solve it. This is urgent, so help would be greatly appreciated :D

The problem: the circled ? is unknown and we have read more ..

Guest Dec 8, 2022

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215

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counting

Marvin the fly starts at (0,0). Each step, Marvin moves one unit right or one unit up. He is trying to get his home at (4,6). However, at (2,4) here is a frog that will eat him if he goes through that point. In how many ways read more ..

Guest Dec 8, 2022

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