All Questions ⁺⁰237827 Questions

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210

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What is the square root?

What is the square root of 81

Guest Nov 4, 2022

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242

1

hi, plz help me with a few questions. thank you!

1.The graph of y=f(x) is shown in red below. For how many values of c is f(c)=-1?

(Assume grid lines are spaced 1 unit apart.)

2. read more ..

Guest Nov 4, 2022

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262

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Algebra

Find the ordered pair, (s, t) that satisfies the system
(s/2) - 3t = -1,
3t - 2s = 3 + s

Guest Nov 4, 2022

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205

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help

what is 3/7 cubed

Guest Nov 4, 2022

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193

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help algebra

In November's Math Meet, the Little Monsters of Beast Academy solved 1/3 of the problems. In March's Math Meet, they solved 2/7 of the problems. (There might be different numbers of problems asked in November and March.)
In total, the Little Monsters read more ..

Guest Nov 4, 2022

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257

1

What is the formula of area of a triangle?

What is the formula of area of a triangle?

Guest Nov 4, 2022

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246

1

Algebra

Find all solutions to the system
a + b = 14
a^3 + b^3 = 812 + ab

Guest Nov 4, 2022

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267

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Number Theory

Find the largest prime divisor of 25^2 + 72^2 + 85^2.

Guest Nov 4, 2022

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201

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Function

Let
f(x) = -x + 3 if x >= 1
f(x) = 2x + 1 if x < 1
Find the sum of all values of x such that f(x) = 0 read more ..

Guest Nov 4, 2022

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220

1

plz help

Find the number of positive integers that satisfy the following conditions:
* Each digit is a 1 or a 2 or a 3
* The sum of the digits is 10

Guest Nov 4, 2022

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263

3

Please help Melody and Cphill

Points M,N, and O are the midpoints of sides KL,LJ , and JK, respectively, of triangle JKL. Points P, Q, and R are the midpoints of NO, OM, and MN, respectively. If the area of triangle PQR is 27, then read more ..

Guest Nov 4, 2022

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193

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systems of equations

Guest Nov 4, 2022

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269

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Algebra

An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/3 full. What is the total capacity of the aquarium tank, in gallons?

Guest Nov 4, 2022

Nov 3, 2022

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237

2

Parabola

How many y-intercepts does the graph of the parabola x = -y^2 + 4y - 4 - 2y + 7 have?

Guest Nov 3, 2022

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188

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quadratic

If the two roots of the quadratic 4x^2 + 7x + k are (-7 +/- i*sqrt(79))/8, what is k?

Guest Nov 3, 2022

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214

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System

Solve each of the following systems of equations. Find all solutions.

(a) x + y = -1
3x = 4- 3y + 5x - 2 read more ..

Guest Nov 3, 2022

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200

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Roots

If a, b, and c are the roots of the equation 2x^3-6x^2-15x-3=0, then find a^2 + b^2 + c^2.

Guest Nov 3, 2022

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194

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Polynomial

If f is a polynomial of degree 3, such that f(0) = f(2) = f(3) = 1 and f(1) = 0, find f(4).

Guest Nov 3, 2022

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186

0

Algebra

In November's Math Meet, the Little Monsters of Beast Academy solved 1/3 of the problems. In March's Math Meet, they solved 2/7 of the problems. (There might be different numbers of problems asked in November and March.)
In total, the Little Monsters read more ..

Guest Nov 3, 2022

0

237

1

Rectangles

Two rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded) if AB = BE = 2 and AD = ED = 4.

read more ..

Guest Nov 3, 2022

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202

0

algebra

For a real number r, let s(r) denote the set of real numbers that can be expressed in the form
a1 r + a2 r^2 + a3 r^3 + ...
with an infinite number of terms, where ai in {0,1}
(a) Show that 1/2 an element in S(1/4)
(b) Show that 1/5 read more ..

Guest Nov 3, 2022

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199

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What is 51% of 200?

set it up like this 51/100 = _/200 them cross mulitlyply then divied to equle 102/200 !!!
51x200=10200divied by 100 equles 102

Guest Nov 3, 2022

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