04/20/16

missing angles and sides for a triangle?
I need help finding the missing side using the law of sines,   a=42 C=48 and C=12
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04/19/16

What is the range of the function?
Having graphed the function y = -2x + 6 with the domain -1 ≤ x ≤ 5, please answer: What is the range for the function above? Is the answer:  (4, 8)  ?    or is the answer:     -4 ≤ y ≤ 8  ... more
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04/18/16

how do i find the axis of symmetry of -7 and 1
 i need help finding the axis of symmetry when the quadratic equation is -7 and 1
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04/13/16

What is the distance between A and B ?
Points A and B are on opposite sides of the grand canyon. Point C is 200 yards from A. Angle B measures 87 degrees and angle C measures 67 degrees. What is the distance between A and B
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04/10/16

mixture of oats that is 12 percent, using 16 percent and 10 percent. need to make 27 lbs. 12 perecent of mixture
heidi needs to make a mixture of oats that is 12 percent, using 16 percent and 10 percent how much of each does she need to make 27 lbs. 12 perecent mixture
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04/10/16

doubt for word problem experts
A man performs 3/5 of the total journey by rail 17/20 by bus and remaining 6.5 km on foot his total journey is ? i know the answer and how to solve but i have doubtplease understand my doubta man... more
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03/30/16

Jill is 16.5 kilometers away from Joe. Both begin to walk toward each other at the same time.
Jill is 16.5 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill is walking 3 kilometers per hour. They meet in 3 hours. How fast is Joe walking?
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03/30/16

Andre is building a structure out of playing cards. Each card is 6.3 cm long.
He tries leaning the cards against each other so that the angle at the top is 90 degrees. Find the distance between the edges of the cards to the nearest tenth.
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03/30/16

simplify solutions
Struggling with a few of my homework. Just dont understand how to solve them. Please tell me the rules. My teacher goes way too fast and I'm confused.... more
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03/30/16

In an isosceles triangle, one angle is 45 degrees greater than each of the other two equal angles. Find the measure of all three angles.
 In an isosceles triangle, one angle is 45 degrees greater than each of the other two equal angles. Find the measure of all three angles.
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03/29/16

Need help for this question!
Determine the integer values of n for which n^2-18n+45 is a prime number. 
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03/28/16

A directed line segment from A (-2,-2) to B is divided into the ratio 4 to 2 by P (4.67,-2). What are the coordinates of point B?
(Hint: work backwards)
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03/27/16

sqrt 2 + sqrt 2
√2 + √2
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03/27/16

write an equation in standard form for the line described. through (6,9), perpendicular to 5x+y=9
Having Issues solving this one.
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03/25/16

(xy^3z^4)(x^-4y^-3z^-1) can anyone explain how to solve this step by step?
I have the answer to the problem but unfortunately I do not understand how to solve it. 
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03/21/16

I did -27 divided by 6 and got the answer of -4.5. I have to find the integer and -4.5 is not an integer. What two integers is -4.5 between?
Help is much appreciated.
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03/21/16

Marc's annual salary is $50000. He will pay 30% of his income in taxes. How much is his monthly income after taxes?
Marc's annual salary is $50000. He will pay 30% of his income in taxes. How much is his monthly income after taxes?
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03/18/16

Rate of speed
A car leaves St Paul Minnesota at 4pm, a bus leaves at 5pm then travels in the same direction as the car, the car is 12mph faster then the bus, at 8pm the vehicles are 100 miles apart, what is the... more
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03/18/16

Investment Rate
Jack and Diane invest $25000 at the first national bank, part at 2.5% and the rest at 6%. The annual return is $1290 how much money is invested at each rate.    
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03/14/16

Solving equation containing fraction
Hi, I keep getting the wrong answer to this : x — 6⁄2-x = 3x/x-2
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03/14/16

The ratio of roses to tulips is 2 to 5. How many roses are there in a bouquet of 28 flowers.
I'm having a really hard time with this weekly math question. please explain this to me... 
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03/14/16

Out of a class 3/5 are boys. Out of those boys 2/3 wore shorts. How many of the students are boys and wear shorts?
Word problem my son didn't get right on a math test. I am not sure how to help him work it out to find the answer. 
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03/14/16

consider the function f(x)=18(3)^-x. when the value of x is increased by 1, the output is
(1) multiplied by 3 (2)  divided by 3 (3)  multiplied by -3  (4)  divided by -3 
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03/14/16

Line EF passes through the points (0,1) and (3,3). Line JK passes through the points (8,2) and (6,5) these lines are ?
Is it a skew  parallel   cocurrent  or perpendicular.
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03/14/16

4x+9y=-30 -6x+4y=10
how do u solve the equation?
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