All Questions ⁺⁰231257 Questions

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help

Jennifer wants to make scrapbooks with old family photos. An online scrapbooking company charges $47 for a basic book and $1 per page. Meanwhile, a family friend is willing to make a scrapbook for $9 plus $2 per page. read more ..

Guest May 22, 2023

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Help

Humans have a normal body temperature of 98.6°F. A temperature, x, that differs from normal by at least 2°F is considered unhealthy. Which inequality could be used to determine whether a temperature is unhealthy?
A.|x − 98.6| ≤ 2
B.|x − 98.6| read more ..

Guest May 22, 2023

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need help

Can anyone help with this?
Let ABCD be a trapezoid with bases AB and CD. Let P be a point on side CD, and let X, Y be the feet of the altitudes from P to AD, BC respectively. Prove that if AD = 5, BC = 7, AB = 6, CD = 12, read more ..

Guest May 22, 2023

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+44

Halp...

Whats 12121 (base 3) multiplied by 1222 (still base 3) in base 3
I really can't remember how to do multiplication in bases so *whelp*

ANITBIOTICS May 22, 2023

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plz halp

The equation y = -6t^2 - 10t + 56 describes the height (in feet) of a ball thrown downward at 10 feet per second from a height of 56 feet from the surface from Mars. In how many seconds will the ball hit the ground? Express your answer as a decimal rounded read more ..

Guest May 22, 2023

May 21, 2023

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+274

A point in space (x,y,z) is randomly selected so that . What is the probability that ?

A point in space (x,y,z) is randomly selected so that. What is the probability that ?

supremecheetah May 21, 2023

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Function Rule

A table of values of a linear function is shown below. Find the output when the input is n. Type your answer in the space provided.
input: 1 2 3 4 n

output: -4 -2 0 2 ?
What read more ..

Guest May 21, 2023

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help with geo

This is some very hard geometry
Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the read more ..

Guest May 21, 2023

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solve

1. Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.
2. Find all values of a that satsify the equation \frac{a}{3} + 1 = \frac{a + 3}{a} + 1.

Guest May 21, 2023

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bisectors

In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to line PR. If PQ = 9, QR = 9, and PR = 9, then compute the length of XY. read more ..

Guest May 21, 2023

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polygon

Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on line AB with a vertex C next to A. Find angle BCD in degrees.

Guest May 21, 2023

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help graphs

A circle is centered at the origin and has a radius of square root 130. Work out the coordinates of the two points on the circle where x=7

Guest May 21, 2023

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system

plz help with systems
For certain values of k and m, the system
3a + 2b = 2
6a + 2b = k + 3a + mb read more ..

Guest May 21, 2023

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Help plz

Let $g_1, g_2, g_3,\dots$ be a geometric sequence. If $g_{23} = 16$ and $g_{28} = 24$, what is $g_{43}$?

Guest May 21, 2023

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63

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help plz

this might seem easy but i am easily confused.
Find the number of ways that Magnus can give out 10 identical stickers to 3 of his friends. (Not everyone has to get a sticker.)

Guest May 21, 2023

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help geo

Plz help guys
In the diagram below, SR = PQ = 20 and RT:TS = 2:3. Find UV.

Guest May 21, 2023

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+62

Piecwise defined function help

Tacoflea May 21, 2023

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help plz

Catherine rolls a standard 6-sided die six times, and the product of her rolls is . How many different sequences of rolls could there have been? (The order of the rolls matters.)

Guest May 21, 2023

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solve

Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}

Guest May 21, 2023

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triangles

1. Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
2. If angle ABC = 135 degrees, and angle ACB = 30 degrees, what is angle BAC?

Guest May 21, 2023

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