All Questions ⁺⁰237827 Questions

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239

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number theory

Find the remainder when 2^70 + 3^70 is divied by 18

Guest Oct 14, 2022

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259

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Inverse

Find the modular inverse of 27, modulo 29. Express your answer as an integer from 0 to 28, inclusive.

Guest Oct 14, 2022

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226

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geometry

Let ABC be a triangle, and let its angle bisectors be AD, BE, and CF, which intersect at I. If DI = 3, BD = 4, and BI = 8, then find the area of triangle ABC.

Guest Oct 14, 2022

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202

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make x the subject of the formula

make x the subject of the formula y=a(x+b)

Guest Oct 14, 2022

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263

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help quickly plz

Point is 9 units from the center of a circle of radius 15. How many different chords of the circle contain and have integer lengths?

Guest Oct 14, 2022

+1

279

7

+47

Quick Question

Hey y'all, this is my first time using this site, so I apologize if this isn't great.

So, I'm having some trouble with this problem,
read more ..

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Qube73 Oct 14, 2022

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237

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Suppose that are the roots of . Find the value of for which

Suppose that are the roots of . Find the value of for which

Guest Oct 14, 2022

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240

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help

simplify $3(2x^2 - x + 7) - (-x^2 - 3x + 5).$

Guest Oct 14, 2022

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182

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Graphing

The graph of f(x) = (2x)/(3x^2 - 6x - 14) has vertical asymptotes x = a and x = b, and horizontal asymptote y = c. Find a + b + c.

Guest Oct 14, 2022

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256

1

Exponents

What is the value of $n$ such that $10^n = 10^{-5}\times \sqrt{\frac{10^{13}}{0.01}}$?

Guest Oct 14, 2022

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268

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base numbers

For how many n, 7 <= n <= 100, ,is the base-n number 235236_n a multiple of 2?

Guest Oct 14, 2022

Oct 13, 2022

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246

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Please, I really need help!

Hello,
Question: How many triangles can be counted in this diagram?
Also, Please write each and every step
read more ..

Guest Oct 13, 2022

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261

2

Inequality

My street hockey team plays three games each week. My team lost all 12 games in the first four weeks. Then, my team won two games and lost one game in the fifth week, bringing our record to 2 wins and 13 losses. Each week after that, my team won two games read more ..

Guest Oct 13, 2022

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259

2

what is 3/7x + 1/3x=48

what is 3/7x + 1/3x=48

Guest Oct 13, 2022

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216

1

Arithmetic series

What is 75 + 72 + 69 + 66 + ... + 21 + 18 + 15 + 12 + 9 + 6 + 3?

Guest Oct 13, 2022

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272

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quadratic

Find the largest value of c such that -2 is in the range of f(x) = x^2 + 8x + c.

Guest Oct 13, 2022

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250

2

ssuming that $x\neq -3$, simplify: $\dfrac{8x-4}{x+3} - \dfrac{12x-20}{2x+6}$

Guest Oct 13, 2022

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235

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Probability

A point in space (x,y,z) is randomly selected so that -1\le x \le 1, -1\le y \le 1, -1\le z \le 1. What is the probability that x + y + z <= 0?

Guest Oct 13, 2022

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189

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quadratic

Let a and b be the solutions of the equation 2x^2+6x-14=x^2+8x-5. What is the value of (2a-3)(4b-6)?

Guest Oct 13, 2022

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223

1

A garden table and a bench cost $742 combined. The garden table costs $42 more than the bench. What is the cost of the bench?

A garden table and a bench cost $742 combined. The garden table costs $42 more than the bench. What is the cost of the bench?

Guest Oct 13, 2022

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242

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help

Let P=x^2-6x-13. If x is real, what is the smallest possible value of P?What value of x produces this minimum value of P?

If (a-2b)^2+(b-2)^2=0, and a and b are real, then what is ab?

Guest Oct 13, 2022

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263

1

Решите пж

(4,9*10^3)*(4*10^2)

Guest Oct 13, 2022

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220

1

7 and one fourth is what in decimal form?

7 and one fourth is what in decimal form?

Guest Oct 13, 2022

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