All Questions ⁺⁰230627 Questions

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194

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Algebra

Consider the two expressions (6x^3 + 9x^2 + 4x + 7 - 17x^2 - 8x + 8)/(2x + 3 - 7x - 11) and 4x^2 - 7 + 1/(2x + 3 - 7x - 11)
a) Show that the two expressions represent equal numbers when x = 10
b) Explain why these two expressions do not represent read more ..

Guest Sep 5, 2022

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help algebra

Let's take a look at (x + y)^2 (x - y)^2 and (x^2 + y^2)(x^2 - y^2). While Beeker believes that these two expressions are equal for all real numbers x and y Clod believes they are not! Let's get to the bottom of this!
a) Evaluate read more ..

Guest Sep 5, 2022

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187

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question

Find all nonnegative numbers x such that sqrt(x) + 2 = sqrt(x+100)

Guest Sep 5, 2022

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241

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+99

HARD MATH.help anybody please answer I need help badly if I don't get help I will die please help me im a poor man.

pogfrog123456789 Sep 5, 2022

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209

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PLS HALP ASAP!!!!

Let be a geometric sequence with common ratio and let be a geometric sequence with common ratio If and then find p+r

Guest Sep 5, 2022

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224

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+275

Pascal's identity?

Write the following expression as a single combination n choose k so that k is not equal to 1 and n-k is not equal to 1.
1/5 * 50 choose 10 = ? choose ?
You cannot just multiply the 2 numbers. I think pascal's identity could be used here. read more ..

Jasonkiln Sep 5, 2022

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plz help aspa

Guest Sep 5, 2022

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how to

Ester vil gerne tjene ca. 2000 kr. om måneden. 1.3 Undersøg med beregning, hvor mange timer Ester skal arbejde for at tjene 2000 kr., hvis cirka halvdelen af timerne er før kl. 17:30.

Guest Sep 5, 2022

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1662210000 = 0  1662246000 = 800  1662243000 = ?

1662210000 = 0 
1662246000 = 800 
1662243000 = ?

Guest Sep 5, 2022

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228

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+656

pls help me! This expression equals 10 raised to what power?

The expression equals 10 raised to what power?

Keihaku Sep 5, 2022

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help algebra

When the same constant is added to the numbers 60, 100, and 260 a three-term geometric sequence arises. What is the common ratio of the resulting sequence?

Guest Sep 5, 2022

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135

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geometric series

The sum of a certain infinite geometric series is 2. The sum of the squares of all the terms is 4. Find the common ratio.

Guest Sep 5, 2022

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115

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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 Sep 5, 2022

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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 Sep 5, 2022

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166

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algebra

Find all four-digit palindromes that are divisible by 19.

Guest Sep 5, 2022

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help algebra

Explain how to calculate 75 + 72 + 69 + 66 + ... + 21 + 18 + 15 + ... + (-69) + (-72) + (-75) without a calculator.

Guest Sep 5, 2022

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+275

Pascal's triangle

Find the only positive integer n such that row n of Pascal's Triangle contains three successive entries with the ratio 5:6:7
Remember that row n of Pascal's Triangle begins with the entries 1,n.
I don't understand the question well so Im having trouble read more ..

Jasonkiln Sep 5, 2022

Sep 4, 2022

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+99

please help me

Let be a point on the parabola , for some positive rational number . The tangent to the parabola at and the coordinate axes form a triangle with area . Find .

WorldEndSymphony Sep 4, 2022

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algebra 2

The real numbers x, y and z satisfy the equations x+2y+3z=950 and 3x+2y+z=1450. What is the average of x, y and z?

Guest Sep 4, 2022

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HALPP!!

What is the distance, in units, between the points and ? Express your answer in the simplest radical form.

Guest Sep 4, 2022

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217

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+99

i don't like polynomials anymore

Find the remainder when is divided by

WorldEndSymphony Sep 4, 2022

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Math

It was such pandemonium! On Friday, 343 students brought their pets to school. A third of the pets were dogs. How many were not dogs?

Guest Sep 4, 2022

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Engineering HW

Your house contains 1000 meters of 12 gauge cooper wire. 12 gauge copper wire weights 19.8 pounds per 1000 feet and has a diameter of 0.0808 inches

c. you find out the gauge of the copper wire in your house is actually 10 gauge. look read more ..

Guest Sep 4, 2022

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