All Questions ⁺⁰237784 Questions

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160

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help I need answer

Help i need this soon
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 read more ..

Guest Apr 16, 2023

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140

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counting

Help I need to count this
Catherine rolls a standard 6-sided die five 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 Apr 16, 2023

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166

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Geometry

The vertices of triangle ABC lie on the sides of equilateral triangle DEF, as shown. If CD = , CE = BD = , and angle ACB = 90 degrees, then find AE.

Guest Apr 16, 2023

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156

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need help fast

Find the number of positive integers that satisfy both the following conditions:
Each digit is a 1 or a 2
The sum of the digits is 4

Guest Apr 16, 2023

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143

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help angles

Angle bisectors AX and BY of triangle ABC meet at point I. Find angle C in degrees, if angle AIB= degrees.

Guest Apr 16, 2023

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164

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Probability

What do I do
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 Apr 16, 2023

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133

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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 Apr 16, 2023

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76

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+1124

Sin22

Hi friends,
trust you are all doing well...please just quick guidance with this problem?
If Sin22 = k, use a diagram to determine Cos158 in terms of k
My problem is that if the angle is read more ..

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juriemagic Apr 16, 2023

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152

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Geometry

Triangle ABC has altitudes AD, BE, and CF. If AD = 12, BE = 18, and CF is a positive integer, then find the largest possible value of CF.

Guest Apr 16, 2023

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160

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Help help help

plz help!
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 read more ..

Guest Apr 16, 2023

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144

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Expected value

Three standard fair 6-sided dice are rolled. What is the expected number of 6's rolled? (For example, if two 6's and a 5 are rolled, then the answer is 2.)

Guest Apr 16, 2023

Apr 15, 2023

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160

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I really need help

Help needed urgently
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?
<read more ..

Guest Apr 15, 2023

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145

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precalc

Plz help with parametric equations
The position of a particle is given by the parametric equations
x = 1 + sin pi*t - cos pi*t
y = 3*sin pi*t + 2*cos pi*t read more ..

Guest Apr 15, 2023

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150

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pls its due in 2 days

how do I Rewrite this fraction as a multiplication expression? 3.2 × 0.44

Guest Apr 15, 2023

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158

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Help with math

I need help with this
Let a and b be real numbers such that a - b = 1 and a^3 - b^3 = 1
(a) Find all possible values of ab
(b) Find all possible values of a+b
(c) Find all possible values of a and b
<read more ..

Guest Apr 15, 2023

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170

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Given that (3,4) is a point on the graph of y = f(x), what point must be on the graph of y = -4f(-2x) + 3?

Given that (3,4) is a point on the graph of y = f(x), what point must be on the graph of y = -4f(-2x) + 3?

Guest Apr 15, 2023

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167

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Plz Im stuck

Can anyone help with this? It's due really soon.
In the diagram below, PQRS is a parallelogram with a perimeter of 26 and an area of 28. What is the perimeter of rectangle OSTQ? Include an explanation of how you read more ..

Guest Apr 15, 2023

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135

2

Math

Help I need help with this
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 read more ..

Guest Apr 15, 2023

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