04/26/18

a bag contains nine real diamonds and five fake diamonds. If nine diamonds are picked from the bag at random what is the probability that all of them are real?
 Probability word problem help with step by step instructions
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04/26/18

What is the central angle of the arc, in degrees?
A circle has a circumference of 66start color blue, 6, end color blue. It has an arc of length 111.  
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04/26/18

if the area of a square is 123 then what is the perimeter
Brenda has a square-shaped photo frame. If the area of the square frame is 123 square inches, which statement is true?The length of the photo frame is between 10 inches and 11 inches.The length of... more
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04/25/18

using these numbers in order how can i get 52 with 3, 7, 12, 2?
I m trying to create an equation using 3, 7, 12, and 2 in order to get 52
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04/25/18

A regular octagon has a radius of 12. Find each of the following to the nearest tenth.
a) Its perimeter.     b) Its area.
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04/25/18

(a) 6^2x = 250 (b) log3 (x-3) + log3 (x-7) = 4
Round answers to four decimal places.
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04/24/18

rectangle has an area of 56 and a perimeter of 60, what is the length and width?
Rectangle has an area of 56 and a perimeter of 60, what is the length and width?
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04/24/18

The circumference of a circular table is 72πin what is the radius of the table
Table is circular  Diameter is not given
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04/24/18

How to find coordinates on terminal arm
The angle theta is in the first quadrant and sin of theta = 2/sqrt(13) determine the possible coordinates for point P on the terminal arm
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04/24/18

A circle with a diameter of 18 cm is subdivided by a central angle of 60 degrees. What is the length of the subtended arc?
How to find the length of the subtended by this angle
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04/24/18

The number of ways of selecting 20 boys and 20 girls into 20 pair so that each having exactly one boy and one girl.
a)2870 b)2970 c)3080 d)3120
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04/23/18

Which of the following is not a subset of {1, 2, 3}?
possible answers   ∅{0}{1, 2, 3}
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04/22/18

Rationalize the denominator and simplify following expression 3 sqrt 1/4
Please help me with steps and answer  3√¼           
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04/22/18

State the restrictions and then simplify
State the restrictions and then simplify:8x^2+2x-15 -------------- 2x^2+15x+18              
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04/22/18

Probability
In a class of 80 students, 40 are girls and 40 are boys. Also, exactly 50 students wear glasses. Then the set of all possible numbers of boys without glasses is ? I dont understand as how to make... more
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04/21/18

Write the equation x+y=5 in normal form to find (cosØ, sinØ)
A.    (√2/2, - √2/2) B.  (√2/2,  √2/2) C. (-√2/2,  √2/2)   D. (- √2/2, -√2/2)ØØ
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04/19/18

Hue is arranging chairs. She can form 2 rows of a given length with 3 chairs left over, or 9 rows of that same length if she gets 11 more chairs. Complete the e
please write it as an equations and give the answer to how many chairs are in each row
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04/19/18

Sine & Cosines - heading & distance
You are at point A , to the west side of a tall mountain.  You are planning a hike around the mountain to point C, which is 9 miles east of A.  You start by hiking a distance of 6.6 miles on a... more
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04/19/18

SinA = 7/9 and is in quadrant 2, cosB = 11/13 and lies in quadrant 4, evaluate tan(B-A)
Bdfgdgdghnjhgjjjydfgdfg
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04/19/18

ind the area of the regular 24​-gon with radius 13 mm.
need help
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04/18/18

One angle of an isosceles triangle measures 130°. Which other angles could be in that isosceles triangle?
Find missing angles in triangles
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04/18/18

solve trigonometric identity
1-tan to the power of 4=2 sec to the power of 2 - sec to the power o4
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04/17/18

The square base of a pyramid has an area of 144 square feet. If the slant height of the pyramid is 10 feet, what is the height of the pyramid
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04/17/18

What is the measure of the central angle of the sector?
A sector of a circular board game is designated as a bonus area where players can earn extra points. The area of the sector is 28 in.2 and the radius of the playing board is 11 in.  
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04/17/18

How to factor this expression
x4 -2x2+1
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