All Questions ⁺⁰230749 Questions

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157

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Linear functions

You have linear functions p(x) and q(x). You know p(2)=3, and p(q(x))=4x+11 for all $x$. Find q(-1).

Guest Jul 30, 2022

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195

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H …..

Ian has 1/3 as many marbles as Velibor. If Velibor gives 63 marbles to Ian, both of them will have an equal number of marbles. How many marbles must Velibor give to Ian, so that Ian will have 3/4 as many marbles as Velibor?

Guest Jul 30, 2022

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206

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Help

https://web2.0calc.com/questions/help-pls_28256

Guest Jul 30, 2022

0

146

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hướng dẫn cách giải hệ hóa học

cách giải hệ

Guest Jul 30, 2022

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213

1

Help

Tony has a collection of coins valued at $5.45. In this collection there are only quarters and nickels. If he has 79 Nichols in this collection create any equation to find how many quarters, Q, he has

WhyamIdoingthis ●

Guest Jul 30, 2022

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250

2

Minimum value

For all real numbers x find the minimum value of

(x + 12)^2 + (x + 7)^2 + (x + 3)^2 + (x - 14)^2 + (x - 8)^2

Guest Jul 30, 2022

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202

2

Inequality

Find all x that satisfy the inequality (2x+10)(x+3)<(3x+9)(x-8) . Express your answer in interval notation.

Guest Jul 30, 2022

Jul 29, 2022

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385

2

help

Christopher has set up a lemonade stand outside his house and sells small cups and large cups of lemonade. Each small cup holds 10 ounces of lemonade and each large cup hold 20 ounces of lemonade. Christopher used 800 ounces of lemonade and sold twice as read more ..

Guest Jul 29, 2022

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221

2

3d geo

ABCD is a regular tetrahedron (right triangular pyramid). If M is the midpoint of CD, then what is cos ABM?

Guest Jul 29, 2022

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203

1

Minimum value

What is the minimum value of the expression 2x^2 + y^2 + 8x - 24y + 62 for real x and y?

Guest Jul 29, 2022

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204

1

help hard geometry

Right triangle ABC has side lenghts AB = 3, BC = 5. Square XYZW is inscribed in triangle ABC with X and Y on line AB, and Z on line BC. What is the side length of the square.

read more ..

Guest Jul 29, 2022

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316

3

+490

Off topic Question

What the heck happened the other day? was there like a spammer in the forum? I saw a whole bunch of weird posts, but was too busy to look into it.

Elijah Jul 29, 2022

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196

1

triangles

Points X and Y lie on sides AB and AC respectively of triangle ABC. If AB=7, AC=10, AX=4 and AY=8, what is the ratio of the area of triangle AXY to the area of triangle ABC?

Guest Jul 29, 2022

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209

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quadrilateral

What is the perimeter, in cm, of quadrilateral ABCD if $AB \perp BC$, $DC \perp BC$, AB = 9 cm, DC = 4 cm, and BC = 12 cm?

Guest Jul 29, 2022

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212

2

Help please!

A triangle with integer sides has perimeter 16. How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the triangles until they match up.)

Guest Jul 29, 2022

+2

226

1

+44

CPHILLLLL

help on this

you can do it!
read more ..

brainiac Jul 29, 2022

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265

2

floor function

If floor(x) = 4, find the sum of all possible values of floor(2x).

BuilderBoi ●●

Guest Jul 29, 2022

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236

5

need help

Simplify (1+3+5+...+199)/(2+4+6+...+198+200+202).

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Guest Jul 29, 2022

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275

5

Circles

Two perpendicular chords AB and CD intersect at P. If PA = 4, PB = 10, and CD = 13, calculate the length of P to the center of the circle

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Guest Jul 29, 2022

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166

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System

Solve for (x,y) in the system of equations
2x + y = -7
x = 4 + 2y - 3x

Guest Jul 29, 2022

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324

8

CPhill help pls

Right triangle $XYZ$ has legs of length $XY = 12$ and $YZ = 6$. Point $D$ is chosen at random within the triangle $XYZ$. What is the probability that the area of triangle $XYD$ is at most $12$?

BuilderBoi ●●●●●●●●

Guest Jul 29, 2022

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175

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Probability

Two cards are drawn without replacement from a standard deck of 52 cards. Determine the probability that neither card is jack.

Guest Jul 29, 2022

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194

1

system

Find the ordered pair (x,y) that satisfies the system of equations
x + y = 15
x - y = 3 - 4x + 7y

Guest Jul 29, 2022

0

222

1

Simplify

Assuming that p \neq 0 and q \neq 0, simplify pq^3^3 4p^2q^2 2pq^2^3

Guest Jul 29, 2022

+1

132

1

Algebra

Fill in the blanks so that the resulting equation has no solutions.

__ + ___ + ___ = ___
read more ..

Guest Jul 29, 2022

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