Mathematics - 3 July 2007

Three people build a rectangular building 7 m wide, 5 m long, and 6 m high. How many cubic meters does the shed contain?
107 m3
210 m3
18 m3
1470 m3

2007-07-03 14:20:08 · 5 answers · asked by Mark W 2

One-half serving of soy sauce contains 385 milligrams of sodium. How many grams of sodium from soy sauce are included in an egg-foo-young dish made from 4 servings of soy sauce? Round results to the nearest tenth of a gram.
3.1 g
96.2 g
154.0 g
0.1 g

2007-07-03 14:19:09 · 6 answers · asked by Mark W 2

how do you find out what 8/15 x 3/4 =?

2007-07-03 14:13:22 · 7 answers · asked by Anonymous

level enough to the top put a lid on

2007-07-03 14:11:11 · 4 answers · asked by bill h 3

So how can I distribute the sqrt of (u) to the equation (u + 1)^50?

2007-07-03 13:52:56 · 2 answers · asked by Jorm 3

The equations of L_1 and L_2 are y = mx and y = nx, respectively. Suppose that L_1 makes twice as large an angle with the horizontal (measured counterclockwise from the positive x-axis) as does L_2, and that L_1 has 4 times the slope of L_2. If L_1 is not horizontal, then mn is
(A) sqrt[2]/2
(B) -sqrt[2]/2
(C) 2
(D) -2
(E) not uniquely determined by the given information

2007-07-03 13:52:15 · 2 answers · asked by Anonymous

1. Average rate of change over specified interval.
f(x)= 4-4x-2x^2 over (3,4). I got -70. Does that seem correct?

2.Find the derivative. f(x)= 9x^2- 2x+7 . My answer is 14+18x. Correct or not?

3. Can someone tell me how to set up for determining the equation of tangent line at given point.

f(x)= (x-4)^2; (5,1)

Thanks.

2007-07-03 13:40:49 · 5 answers · asked by Anonymous

2007-07-03 13:19:00 · 5 answers · asked by Poetry 1

I have a Pre-Calculus and Trigonometry final coming up and I need some brushing up on a few concepts that I'm not completely solid on. There are quite a few, but any help is greatly appreciated.

1) Tricky exponential equations where the bases are different and the exponential variable is raised to a power.

I.E. 3^x^3=6^(x+5)

2) Radian word problems where the goal is to convert radians to measurement and then back to radians, given the radii of two circles and the radians turned by one.

I.E. If a pulley of 10-cm radius and a pulley of 14-cm are connected by a rope and the larger pulley turns 6 radians, how many radians with the smaller pulley turn?

3) I need to brush up on finding the answers to trigonometry functions without a calculator since the Final does not allow one.

I.E. sin^-1(2/3)

4) Radical equations with variables in uncombinable roots. I cannot give an example since I can't represent square roots with text.

Thanks in advance. Any help is greatly appreciated.

2007-07-03 12:38:13 · 3 answers · asked by Antonio P 1

2007-07-03 12:26:11 · 5 answers · asked by 1DisneyNut 6

I need help with my triangle trig ratios. The problem contains the acute angle 43 opposite from the side x and adjacent from the side 12.

2007-07-03 11:57:24 · 2 answers · asked by jessyroma2005 1

Also provide the complete formula for it.

If you cannot just answer something for 2 points.

2007-07-03 11:45:47 · 9 answers · asked by hardcoredlw 5

I have answers for the probs but im not sure if they are correct though. So please help?

1.) find the probability for the experiment of tossing a coin 3 times & the sample space for it is {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}<<< THATS NOT THE PROB THATS THE INSTUCTION :}
- find the probability of getting at least two heads.
i got 4/3 but im not sure if thats correct.

2.) A college student is preparing a course schedule for the next semester. The student may select one of two mathematics courses, one of three science courses, and one of five courses from the social sciences and humanities. How many schedules are possible?
& the answer i got was 120.

3.) You can answer any 10 questions from a total of 12 questions on an exam. In how many different ways can you select the questions?
& i got 66.

Thanks.

2007-07-03 11:33:40 · 7 answers · asked by limebacardi 1

i've tried it and i came up with 3 cos x , but i have no idea if this is correct , tell me if u come up with the same

2007-07-03 11:31:24 · 5 answers · asked by tq 3

2007-07-03 11:26:13 · 8 answers · asked by 1DisneyNut 6

2007-07-03 10:58:42 · 13 answers · asked by Alexander 6

2007-07-03 10:51:10 · 4 answers · asked by Lregofins34 2

I need some ideas on how to go about solving this problem, any help at all will be greatly appreciated, thanks!

A plane has airspeed of 210 mph and a heading of 310 degrees. The wind is blowing at a constant 15 mph in the direction of (North 35 degrees East). Find the ground speed and true course of the plane.

2007-07-03 10:46:05 · 4 answers · asked by realpoeticyouth 1

3 SQUAREROOT 5 +4 SQUAREROOT 5

2007-07-03 10:46:03 · 11 answers · asked by Berry A 2

I used parts where u = e^-x^2 and dv = x but I cannot seem to get it. It keeps going on forever. I know the answer is -e^-x^2/2 from the Integrator. I tried using the method to get identical integrals on the left and divide it by 2 but I can never get that.

x * e^(-x^2)

Thanks.

2007-07-03 10:07:02 · 5 answers · asked by Real Man 2

help is this (in (in 0.5))

2007-07-03 10:03:49 · 4 answers · asked by Anonymous

Alonzo bought 4.7 pounds of fish at $3.80 a pound. he gave the clerk a $20 bill. How much change should he receive?

2007-07-03 09:56:14 · 6 answers · asked by Anonymous

A- shifts the parent graph left 6 and up 5
B- shifts the parent graph right 6 and up 5
C- Shifts the parent graph left 6 and down 5
D- Shifts the parent graph left 6 and down 5

2007-07-03 09:54:25 · 3 answers · asked by Anonymous

state its solution
x - y = -5
2y = -2 - 2x

A (4, -1)
B (-3, 2)
C (-5, 2)
D (2, 5)
E (-2, -4)
F No Solution

2007-07-03 09:30:45 · 6 answers · asked by Nathan C 1

1. http://i209.photobucket.com/albums/bb248/pielover757/roswell5.jpg

2. http://i209.photobucket.com/albums/bb248/pielover757/roswell6.jpg

3. http://i209.photobucket.com/albums/bb248/pielover757/roswell7.jpg

4. http://i209.photobucket.com/albums/bb248/pielover757/roswell8.jpg

2007-07-03 09:23:24 · 2 answers · asked by Asgardfanofpie 1

3x^2 - 16x = 3

2007-07-03 09:10:28 · 8 answers · asked by YUNGDON 1

give the number of significant figures
1. the number of eggs (12) that make up a dozen
2. 2.000 x 10^2 m
3. 40,500 cm

2007-07-03 09:09:05 · 3 answers · asked by bob w 1

Graph each system of equations and state its solution.
y=(3/2)x + 19/2
x - y = -7

A (0, -2)
B (-3, 2)
C (-5, 2)
D (2, 5)
E (-2, -4)
F No Solution

2007-07-03 09:06:13 · 3 answers · asked by Nathan C 1

1.
In a certain mixture, the ratio of glycol to water is five to three. If ten ounces of glycol are added to the mixture, it becomes seventy percent glycol. How many ounces of glycol are in the original mixture?

2.
One person can do a certain job in one-half hour, and another person can do the same job in one hour and ten minutes. How many minutes will thet take to do the job together?

2007-07-03 08:55:06 · 2 answers · asked by Anonymous

The numerator and the denominator of a certain fraction are consecutive odd numbers. If nine is subtracted from the numerator then the ratio to the numerator to the denominator of the new fraction is two to three. Find the original fraction.

These problems are confusing me so bad... I have like 6 more and I've only been able to do 3 on my own. It really sucks. So I really appreciate it if you could help me in any way.

2007-07-03 08:38:33 · 5 answers · asked by Anonymous