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234
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math
the average price of a certain brand of new television dropped from $3000.00 in january to2,400.00 in september.Find the rate of change in the average price of the television rounded to the nearest decimal.
Guest
Feb 8, 2012
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228
1
math
The temperature on Monday in St. Michaels,MD as 30 degrees Celsius. What would the temperature be in degrees Fahrenheit?
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Guest
Feb 8, 2012
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253
0
Math
What is a+8<10;-18
Guest
Feb 8, 2012
0
277
1
college algebra question
I don't understand how sqrt((-sqrt(7)-sqrt(3))^2 + (sqrt(2) - (-sqrt(3)))^2 equals sqrt(15+2sqrt(21) +2sqrt(6) I don't know the steps to get from the first problem to the answer. So If the steps can be explained or demonstrated to me better?
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Guest
Feb 8, 2012
0
267
1
equations form of ax+b=c
7-12y=7
oskar20106
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Guest
Feb 8, 2012
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242
0
trigonometry
Quote: A shed is 8 ft wide. One rafter makes an angle of 30 degrees with the horizontal on one side of the roof. A rafter on the other side makes an angle of 70 degrees with the horizontal. caculate the length of the shorter rafter to the nearest foot.
read more ..
Guest
Feb 8, 2012
0
275
1
law of cosines
Find AB where CB=29, CA=13, and M<C=41
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Guest
Feb 8, 2012
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252
2
Sine-Cosine-Tangent
I am a little bit confused on sin cos and tan. For example, is the correct way to find cosine of, say, x to do the adjacent/hypotenuse then inverse cosine it? (cosX=28/35 [simplify to 0.8], then cos-1(0.8) to get 53.13010235415585?)
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Guest
Feb 8, 2012
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200
2
SUBTRACTING FRACTIONS
-5/4*-7/8
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Guest
Feb 8, 2012
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272
1
kkknnnmmm
sin-1 x (7/square root of 33)
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Guest
Feb 8, 2012
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217
0
Math
What is the answer to log2^3*log3^16
Guest
Feb 8, 2012
0
263
1
math
Hello
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Guest
Feb 8, 2012
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291
1
algebra
Determine if (-1/3,3)is a solution to 3x+8=23. Can you also show me how you did the problem? Thank you.
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Guest
Feb 8, 2012
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277
1
scientific notation
how do you write 2678400 in scientific notation
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Guest
Feb 8, 2012
0
265
1
math
(-10.4-5.89)+21.07 divide 0.16 x 0.5
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Guest
Feb 8, 2012
0
253
0
Logarithms
domain of
1.) f(x)=log subscript 3(x+8)
2.) f(x)=log(x+4/x-6)
Evaluate the expression:
3.)ln e superscript 5x Expand Logarithms: log base 2 (7*3) log base 10 (10/x)
Guest
Feb 8, 2012
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337
1
math
Find the approximate side length of a square with area 37cm squared.
Give you answer to 1 decimal place.
a) 18.5 b) 6.1 c) 4.3 d) 9.3
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Guest
Feb 8, 2012
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317
0
how
how many ways can you divide 2 hexagons to make a whole
Guest
Feb 8, 2012
0
261
1
scientific notation
6.4*10^-3*315/1.4*10^4*1.6*10^5
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Guest
Feb 8, 2012
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289
1
math
The magazine subscriptions have increased 180%. The number of subscriptions is now 140000. What was the number of subscriptions
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Guest
Feb 8, 2012
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320
1
multiplying trigonometric functions
sin(3pi/4) times cos(3pi/4)
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Guest
Feb 8, 2012
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219
0
math
What is 7 eighths over one forth equal to by subtracting
Guest
Feb 8, 2012
0
287
3
+4
Equation For Table
What Is The Equation For This Table.
-4, 127
-3, 136
-2, 145
-1, 154
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Jenn
Feb 8, 2012
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224
0
exponents
i need help on this chapter on exponents please tell me as much as u can about exponent and how they work
Guest
Feb 8, 2012
0
305
2
fractions check
what is the answer to 9 3/4 x 1 1/2 ?
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Guest
Feb 8, 2012
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