All Questions ⁺⁰237689 Questions

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188

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please help with hard polynomial problem

Let , and let be the roots of
Compute .

Guest Mar 9, 2023

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163

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Geometry

In triangle PQR, M is the midpoint of PQ. Let X be the point on QR such that PX bisects angle QPR, and let the perpendicular bisector of PQ intersect AX at Y. If PQ = 36, PR = 22, QR = 26, and MY = 8, then find the area read more ..

Guest Mar 9, 2023

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170

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The exponential function

The exponential function
N = 3000 × 1.74d,
where d is measured in decades, gives the number of individuals in a certain population. (Round decimal answers to two decimal places unless otherwise indicated read more ..

Guest Mar 9, 2023

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97

3

+8

Prbability:

Suppose a jar contains 17 red marbles and 37 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.

Leveque1 Mar 9, 2023

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182

2

+4

Complex Number Arithmetic Question, PLEASE HELP!! THANKS!

If z=3+4i, find z2. i2=(-1)
I don't get this question. How can the "i" squared =(-1)?

Beixuan Mar 9, 2023

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157

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Probability

A box contains 24 tiles. Each tile has certain properties:
Each tile is made of wood or plastic.
Each tile is red, yellow, or blue.
Each tile is a triangle, square, pentagon, or circle.
There is exactly one tile for each combination read more ..

Guest Mar 9, 2023

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126

1

For some real number $a$ and some positive integer $n$, the first few terms in the expansion of $(1 + ax)^n$ are \[1 - 20x + 150x^2 + cx^3 +

For some real number $a$ and some positive integer $n$, the first few terms in the expansion of $(1 + ax)^n$ are \[1 - 20x + 150x^2 + cx^3 + \dotsb.\]Find $c$.

Guest Mar 9, 2023

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171

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help

How many different positive integers can be represented as a difference of two distinct members of the set $\{1, 2, 3, 4, 5, 6 \}$?

Guest Mar 9, 2023

Mar 8, 2023

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137

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precalc

In triangle PQT, R is on side PT such that QR = QP. Also, QS is an altitude, and QT = 10. The values of tan CBE, tan CBE, tan SQT form an arithmetic progression, and the values of cot SQT, cot RQT, cot SQR form a geometic progression. read more ..

Guest Mar 8, 2023

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152

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Coordinates

Points A, B, and C are given in the coordinate plane. There exists a point Q and a constant k such that for any point P,
PA^2 + PB^2 + PC^2 = 3PQ^2 + k
If A = , B = , and C = , then find the constant k.

Guest Mar 8, 2023

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184

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counting

Sam writes down the numbers 1, 2, 3, ..., 99

(a) How many digits did Sam write, in total?
(b) Sam chooses one of the digits written down, at random. What is the probability that Sam chooses a 0? read more ..

Guest Mar 8, 2023

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148

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Counting

A baking club wants to form an executive committee. There are people in the baking club, including mark. In how many ways can the baking club form an executive committee with people?

Guest Mar 8, 2023

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154

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Probability

In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers (1, 2, 3, 4, 5, 6, and 7). Among all the cards of each color, there is exactly one card labeled with each number. The read more ..

Guest Mar 8, 2023

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159

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Question that i have on my math test

Amy bought 1 box of blueberry muffin mix, 3 boxes of strawberry muffin mix, 520 grams of flour and 2 eggs.

Answer these questions
a: How many boxes of strawberry muffin mix does Amy have? (use a calculator read more ..

Guest Mar 8, 2023

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