All Questions ⁺⁰238227 Questions

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190

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Algebra

Need help with these
Select all the correct statements. (For this problem, we assume that an exponential function is of the form ka^x where a > 0)
(A) The following function is exponential: y = 2^x
(B) read more ..

Guest Mar 31, 2023

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186

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Counting

(a) Find the number of ways that Magnus can give out 20 identical stickers to 5 of his friends. (Not everyone has to get a sticker.)
(b) Find the number of ways that Magnus can give out 20 identical stickers to 5 of read more ..

Guest Mar 31, 2023

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173

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geometry

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

Guest Mar 31, 2023

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210

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Probability

I need the answer to this
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 20?

Guest Mar 31, 2023

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185

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counting

Joanna has six beads that she wants to assemble into a bracelet. Two of the beads have the same color, and the other four all have the same color. How many different ways can Joanna assemble her bracelet? (Two bracelets are considered identical if one can read more ..

Guest Mar 31, 2023

Mar 30, 2023

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178

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Counting

In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in front of their sibling?

Guest Mar 30, 2023

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158

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what are the factors of 324

what are the factors of 324

Guest Mar 30, 2023

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184

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geometry

In tetrahedron ABCO, angle AOB = angle AOC = angle BOC = 90^\circ. A cube is inscribed in the tetrahedron so that one of its vertices is at O, and the opposite vertex lies on face ABC. Let OA = 1, OB = 1, OC = 1. Show that the read more ..

Guest Mar 30, 2023

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194

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why does -2+1^{2}s solution differ from (-2+1)^{2}

so i entered -2+1^{2} into the calucator and the solution is -1, which led me to get an equation I was solving wrong.
Then i plugged in the parentheses, (-2+1)^{2} and the solution becomes a positive 1. Why is that? read more ..

Guest Mar 30, 2023

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171

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Geometry

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

Guest Mar 30, 2023

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189

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+4

6. Sole the equation for all 𝜃 that make the equation true in the given interval: 𝑠𝑖𝑛2𝜃𝑠𝑖𝑛𝜃 = 𝑐𝑜𝑠𝜃 0 ≤ 𝜃 < 2pi

6. Sole the equation for all 𝜃 that make the equation true in the given interval: 𝑠𝑖𝑛2𝜃𝑠𝑖𝑛𝜃 = 𝑐𝑜𝑠𝜃 0 ≤ 𝜃 < 2pi
b. Suppose 𝜃 could be any real number. What would the general read more ..

soue2934 Mar 30, 2023

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190

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Help

Guest Mar 30, 2023

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186

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counting

Help plz with counting
Find the number of ways of arranging the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 in a row so that the product of any two adjacent numbers is even or a mutliple of 3

Guest Mar 30, 2023

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177

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Geometry

Points X, Y, and Z are on the sides QR , PR, and PQ respectively, of right triangle PQR such that PZXY is a square. If PQ=10 and PR=10, then what is the side length of the square?

Guest Mar 30, 2023

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206

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Counting

Plz help
A standard six-sided die is rolled 7 times. You are told that among the rolls, there was one 1, two 2's, and three 4's. How many possible sequences of rolls could there have been? (For example, 5, 1, 2, 2, read more ..

Guest Mar 30, 2023

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