All Questions ⁺⁰237999 Questions

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1119

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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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1078

1

math

The temperature on Monday in St. Michaels,MD as 30 degrees Celsius. What would the temperature be in degrees Fahrenheit?

Guest Feb 8, 2012

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1277

1

Math

What is a+8<10;-18

Guest Feb 8, 2012

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1234

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?

Guest Feb 8, 2012

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1302

1

equations form of ax+b=c

Guest Feb 8, 2012

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1167

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

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1240

1

law of cosines

Find AB where CB=29, CA=13, and M<C=41

Guest Feb 8, 2012

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1199

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?)

Guest Feb 8, 2012

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1212

2

SUBTRACTING FRACTIONS

Guest Feb 8, 2012

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1364

1

kkknnnmmm

sin-1 x (7/square root of 33)

Guest Feb 8, 2012

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1034

0

Math

What is the answer to log2^3*log3^16

Guest Feb 8, 2012

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1281

1

math

Guest Feb 8, 2012

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1284

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.

Guest Feb 8, 2012

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1333

1

scientific notation

how do you write 2678400 in scientific notation

Guest Feb 8, 2012

0

1272

1

math

(-10.4-5.89)+21.07 divide 0.16 x 0.5

Guest Feb 8, 2012

0

1116

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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1390

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

Guest Feb 8, 2012

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1246

0

how

how many ways can you divide 2 hexagons to make a whole

Guest Feb 8, 2012

0

1246

1

scientific notation

6.4*10^-3*315/1.4*10^4*1.6*10^5

Guest Feb 8, 2012

0

1356

1

math

The magazine subscriptions have increased 180%. The number of subscriptions is now 140000. What was the number of subscriptions

Guest Feb 8, 2012

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1341

1

multiplying trigonometric functions

sin(3pi/4) times cos(3pi/4)

Guest Feb 8, 2012

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1080

0

math

What is 7 eighths over one forth equal to by subtracting

Guest Feb 8, 2012

0

1322

3

+4

Equation For Table

What Is The Equation For This Table.
-4, 127
-3, 136
-2, 145
-1, 154

Jenn Feb 8, 2012

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1111

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

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1330

2

fractions check

what is the answer to 9 3/4 x 1 1/2 ?

Guest Feb 8, 2012

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