All Questions ⁺⁰237784 Questions

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Geometry

In triangle ABC, the angle bisector of angle BAC meets AC at D. If angle BAC = 60, angle ABC = 60, and AD = 24, then find the area of triangle ABC.

Guest Apr 5, 2023

Apr 4, 2023

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165

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stats

A list of ten distinct, positive integers has a median of 5.5. What is the smallest possible average of the ten positive integers? Explain your ansswer in complete sentences.

Guest Apr 4, 2023

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185

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Geometry proof

Quadrilateral $ABCD$ is an isosceles trapezoid, with bases $\overline{AB}$ and $\overline{CD}.$ A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) read more ..

Guest Apr 4, 2023

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143

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Binomials

For some real number a and some positive integer n, the first few terms in the expansion of (1 + ax)^n are 1 - 20x + 180x^2 + cx^3+...
Find c.

Guest Apr 4, 2023

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142

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counting

In how many ways can three points be selected from the grid below so that they form a right isosceles triangle?

Guest Apr 4, 2023

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149

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Probability

A member of the junior varsity swim team will be elected as President. Each member is equally likely to be elected. The probability that a sophomore is elected is times the probability that a freshman is elected. Everyone on the junior varsity read more ..

Guest Apr 4, 2023

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141

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Probability

A standard six-sided die is rolled twice. What is the probability that the product of the rolls is 3 or 12?

Guest Apr 4, 2023

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150

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Probability

Need help soon on this
The Boomtown Bears are playing against the Tipton Toros in a baseball tournament. The winner of the tournament is the first team that wins three games. The Bears have a probability of of winning each game. Find read more ..

Guest Apr 4, 2023

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100

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Complete the expression by filling in the missing operator. The expression should equal 37.

Complete the expression by filling in the missing operator. The expression should equal 37.
12 [BLANK] (-5) * 5
Returns: 37

Guest Apr 4, 2023

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please help

(I don't know how to upload pictures but if you search these questions up it will be the same diagram) | | | 1.Lines XQ and XR are tangent to a circle, as shown below. If angle QTA = 47 and angle RUA = 65, then find angle QXR, in degrees. | | 2.The tangent read more ..

Guest Apr 4, 2023

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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 Apr 4, 2023

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131

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counting

When two standard 6-sided dice are rolled, there are 36 possible outcomes for the sum of the two rolls: one sum of 2, two sums of 3, and so on, up to one sum of 12.
Find all possible ways of numbering two 6-sided dice read more ..

Guest Apr 4, 2023

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HELP PLEASE!!!!! THIS QUESTION IS K*****G ME!!!!!

Consider f(x) = 1/x and g(x) = -sqrt(x). Find the sum of the number of intersections between f and g, and the number of intersections between f and g^(-1).

Guest Apr 4, 2023

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150

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Help Please Thank You!

Here are some problems a little different from the actual questions:
1) Let f(x) = |x| and g(x) = x^2. Find all values of x for which f(x) > g(x). Write your answer in interval notation.
2) Consider read more ..

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Guest Apr 4, 2023

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121

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counting

I don't get this
Sam wants to color the three sides of an equilateral triangle. He has two different colors to choose from. In how many different ways can Sam color the sides of the triangle? (Two colorings are considered read more ..

Guest Apr 4, 2023

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153

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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 4, 2023

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157

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1=2

how to prove that 1=2

Guest Apr 4, 2023

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146

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geometry

Plz help with geometry problem
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 solved the probl read more ..

Guest Apr 4, 2023

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156

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help asap

let f(x)=x^3+3x^2-2x+7 and g(x)=4x^3+17x^2+2x-9.
a. find f(x)+g(x)
b. for what constant c is the degree of f(x)+c*g(x) equal to 2?
c. find f(x)*g(x) read more ..

Guest Apr 4, 2023

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136

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Geometry

In triangle PQR, let M be the midpoint of QR, let N be the midpoint of PR, and let O be the intersection of QN and RM, as shown. If QN perp PR, QN = 12, and PR = 14, then find the area of triangle PQR.

Guest Apr 4, 2023

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144

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Counting

Help how do you do this
There is a group of five children, where two of the children are twins. How many ways can I distribute 10 identical pieces of candy to the children, if the twins must get an equal amount of candy? read more ..

Guest Apr 4, 2023

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