12/08/14

I need help with this LCM word problem
A necklace has 3 strands of beads. Each strand begins and ends with a red bead. If a red bead occurs every 6th bead on one strand, every 4th bead on the second strand, and every 10th bead on the... more
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12/08/14

how much is two plus two?
how much is 2+2?  
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12/08/14

Can you explain how to do this?
You've been asked to help decorate for a school dance, and the theme chosen is "The Solar System." The plan is to have a bunch of papier-mâché spheres serve as models of the planets, and our job is... more
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12/08/14

Word problem
On a world map, the distance between city A and city B is 4.357 inches. The two cities are actually 1313 miles apart. On the same map, what would be the distance between city C and city D, two... more
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12/07/14

which equation represents a vertical line?
which equation represents a vertical line?   1. y=-x 2. y=-12 3. x=y 4. x=12
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12/07/14

The sum of 16 positive numbers is what percent of the average of these same 16 numbers?
This question is being asked for a 9th grade algebra honors class.
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12/07/14

Find all complex number solutions for x^3+i=0.
Find all complex number solutions for x^3+i=0.
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12/07/14

What's the complementary angle for 5x
i think its 90-5x but I'm not sure pleae help me
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12/07/14

simplify 4i (12-7i) simplify ( 1+4i)(2-3i)
Was doing some extra practice and ive never seen these two problems before what do I do from here 
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12/07/14

in a 45 45 90 triangle what is the length of the hypotenuse if the leg is 24
This problem I worked out plenty of time but im not sure if it applies with sine cos and tan 
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12/07/14

Word Problem
Simplify the expression (4x3 + 2x2 - 5) - (-3x2 + 8) 
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12/07/14

Word Problem
Congruent squares, with side lengths of x, are cut from the corners of a 10 inch by 14 inch piece of cardboard to form an open box. What equation models the surface area,y, of the open box after... more
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12/07/14

How to factor special products?
Can you tell me how to factor special products?  Like this one- x^3+y^3
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12/07/14

Is 2/3 a proportion?
please help me is 2/3 a proportion 
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12/07/14

use properties of rational exponents
Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.    (5x3/4)2/x1/8               ( answer is 25x11/8 but i need help... more
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12/06/14

one to one
x^2+y^2=16
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12/06/14

X^3-kx^2+kx+35
find k, has the factor x-5
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12/06/14

Word problem answer?
A room will be covered with carpeting. The length is 4 more feet than the width. The overall area is 320 square feet. Find the dimensions of the length and width. 
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12/06/14

Use of equation problem
Katie: "Think of a number. Add 6. Multiply by 5. Subtract 28. Double it. Add 16. Multiply by 5. Subtract 50. Double it. Now tell me your result."       Jeff: "900."       Katie quickly... more
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12/06/14

sin(theta)<0 and sec(theta)>0, what quadrant do they belong?
Given sinΘ≤0 and secΘ≥0, state the quadrant in which Θ resides.
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12/06/14

Tanx(sinx+cotx cosx) to secx How do I do this???
I am working with Identites. I'm surpose to go from Tanx(sinx+ cotx cosx) and get to secx.
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12/06/14

The value of a rare coin according to the 1979 edition of a Guide Book of American coins is listed as $480. The 1997 value had increased to $1584.
What was the percent increase in the value of this coin?
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12/06/14

3n - 2n =1
3n - 2n = 1 . How man solutions does it have and prove them?
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12/05/14

find the length of the sides of the poster and the sign.
A square poster has a side measuring 2 feet less than the side of a square sign, if the difference between their areas is 56 square feet, find the length of the sides of the poster and the sign.
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12/05/14

need help answering this word problem
The sum of the ages of Juan and Sonya is 84 years. 6 years ago, Juan's age was 3 times Sonya's age. How old is Juan now?
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