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0
90
1
what is the range of these scores: 73, 89, 81, 95 and 87?
what is the range of these scores: 73, 89, 81, 95 and 87?
hectictar
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Guest
Jul 16, 2017
0
96
3
find the solution set
(2x+1)/(x^(2)-1)+(x)/(x^(2)-3x+2)=4
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Guest
Jul 16, 2017
+1
107
1
Please help me, I am new to this website. Thanks
I have just posted one math question, and I still have few math problems to add. I am new to this website, and I am trying to figure out how to use it.
Thanks
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Guest
Jul 16, 2017
0
75
3
help
3x-y=9
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Guest
Jul 16, 2017
0
121
1
Factor completely. 3x^2+7x-6
3x^2+7x-6 Factor completely.
a. (x-6)(3x+1)
b. (x-3)(3x+2)
c. (x+3)(3x-2)
read more ..
hectictar
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Guest
Jul 16, 2017
Jul 15, 2017
0
74
2
help please
what is
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Guest
Jul 15, 2017
-1
88
1
Evaluate the algebraic expressions with no decimal answer
Evaluate the algebraic expressions with no decimal answer
1. N^2 - 25 a)when n=-10 b)when n= -5 c)when n=1/2 d)when n=9
2. (-7d+14)/2 a)when
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Guest
Jul 15, 2017
0
88
1
solve and graph the soltion on a number line: 6-5ma>161
solve and graph the soltion on a number line: 6-5ma>161
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Guest
Jul 15, 2017
0
66
1
sin superscript-1(1/1.33)
sin superscript-1(1/1.33)
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Guest
Jul 15, 2017
0
82
1
2017^2017=?
2017^2017=?
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Guest
Jul 15, 2017
0
79
1
+4
Spherical Geometry
What is the value of the Secant of 0.5 of one degree?
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TWAairline
Jul 15, 2017
0
75
3
would anyone be able to help me with this question?
if x > 1, then for what positive base b is logb(x) is always equal to 3/4 of log10x
a) cubic root of 10,000
b) 40/3
c) fourth root of 1,000
read more ..
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Guest
Jul 15, 2017
0
123
4
Least Common Denominator
how do I find the the least common denominator of 3 or more fractions? I have been reading many ways but they are very complicated, so please explain me in easy way. thank you for help!
EDIT: thanks for all help! helped me big time!
read more ..
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Guest
Jul 15, 2017
0
80
0
Telescope optics
A simple telescope has an objective lens of focal length 100 cm and an eyepiece lens of focal length 5 cm. It is used to look at the moon, which subtends an angle of 0.009 rad. What is the diameter
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Guest
Jul 15, 2017
0
83
1
what ist the needed force to throw up a stone of 1 kg 1 m high
what ist the force needed to throw up a stone of 1 kg 1 m high
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Guest
Jul 15, 2017
+1
92
3
Log(e) and Log?
What is Log(e) in relation to Log?
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Guest
Jul 15, 2017
0
108
1
The area of Alabama is 51,718 square miles and its population is 4,779,736. The area of Missouri is 69,709 square miles and its population i
The area of Alabama is 51,718 square miles and its population is 4,779,736. The area of Missouri is 69,709 square miles and its population is 5,988,927. The average state population density is 87.4 people per square mile. How do the population densities
read more ..
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Guest
Jul 15, 2017
+1
121
6
Repost: Mailbox question (Confusing high school problem)
Question is: In how many ways can 4 postcards be mailed into 3 mail boxes?
This is a topic IGCSE 0606 additional maths: Counting and the binomial expansion; The product principle)
There are 3 unique mail boxes and 4
read more ..
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Guest
Jul 15, 2017
0
108
6
Maths Compund Angles Trignometry
cos(pi/7) + (cos(pi/7))^2 - 2(cos(pi/7))^3
heureka
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Guest
Jul 15, 2017
0
116
2
+56
Four+circles.jpg
Four+circles.jpg
(Note: above that should be a hyperlink to the diagram...)
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Trinityvamp286
Jul 15, 2017
0
112
3
+56
Circles
A circle passes through two adjacent vertices of a square and is tangent to one side of the
square. If the side length of the square is 2, what is the radius of the circle?
need answer and explination as soon as possible
read more ..
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Trinityvamp286
Jul 15, 2017
0
70
0
statistics
Assume that population means are to be estimated from the samples described. Use the sample results to approximate the margin of error and 95% confidence interval. Sample size equals =100, sample mean equals 76, sample standard deviation equals 13.
read more ..
Guest
Jul 15, 2017
Jul 14, 2017
0
91
1
Find equation through line
find an equation of the liner through (-78,-56) paralled with the line given by -8+52x+97y=0
hectictar
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Guest
Jul 14, 2017
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