# Posts by Sissy

Total # Posts: 37

algebra
A photograph has a length that is 3 inches longer than its width, x. So its area is given by the expression x(x+3) square inches. If the area of the photograph is 70 square inches, what is the length of the photograph? The length of the photograph is _____ inches.

HELP ME ON MATH
Oh, sorry for the caps... :/

HELP ME ON MATH
1. The letters for the word MATH are placed in a bag. Two letters are selected with replacement. Which statements are true about the tree diagram that could represent the possible outcomes? Select TWO that apply. a. There would be 4 tree bases. b. Each base would have 3 tree ...

math
you are so mean! you dont even help us out! explains your name

math
OP! Nope. Don't have to respond to this. I got it right! Sooo... all clear!

math
Order the numbers from least to greatest. 0.21, 1/5, 0.18, 24% a. 0.21, 1/5, 0.18, 24% b. 24%, 0.21, 1/5, 0.18 c. 0.18, 1/5, 0.21, 24% *** d. 1/5, 0.18, 0.21, 24%

Statistics
....

hey Doppler what do you think this website is for?

Science
What would be a good hypothesis on a dominant trait? I'm 4th grade and this is my first project but I am confused cause I do not know how to write one thank you

math
u deposit \$100 at the end of each quarter in a sinking fund earning 4% compounded quarterly. How many quarterly deposits must you make in order to reach your goal of saving \$10,000? Round your answer off to the nearest whole number

financial accounting
when a merchandiser sell on account which journal entry is needed to record the transaction

CALCULUS
A cone shaped paper drinking cup is to be made from a circular piece of paper of radius 3 inches by cutting out a sector of the circle and gluing the straight edges together. Find the angle of the cut that gives the cup with the largest capacity.

Calculus
Use any calculus method to determine extrema, intervals where the function is increasing or decreasing, asymptotes,and points of inflection for y = -x^4 + 2x^3 - x + 2

calculus
I am confused how to derivative this... 2y=x^2+siny

Psychology
What is the opposite of a background stressor ?

english
most people think of bamboo as a tree or a bush transitive or intransitiv

algebra
The half-life of 234U, uranium-234, is 2.52 105 yr. If 97.7% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed

Statistics
In a simple linear regression you are told that the estimate of the slope coefficient was 0.9 and that the "t-statistic" for testing whether the slope parameter was unity or not was -3.6. What is the estimated standard error for the estimated slope coefficient?

Math
I'm doing a proportion for a problem. Would it be \$/ft = ft/x or \$/ft= x/ft

math
f=5gh for h

writing a negative message to a superior
My issue is that I need a first paragraph buffer before I break the bad news to a superior. Any suggestions?

math
does anyone have any good idea on how to learn subtacting decimals. where there is alot of borrowing involved?

Math
the problem is to graph the equation below. 3x - y < 2 and x + y > 2 my solution is y = 3x - 2, y = -1x + 2 I,m lost at where my lines ar drawn. In y = 3x - 2 (y line is 3) and y = -1x +2 (y line is -1) or am I totaly lost. After continued effort I beleive 1st equation m...

Algebra
the problem is to graph 3x - y < 2 x + y > 2 my solution is y = 3x - 2, y = -1x + 2 I,m lost at where my lines ar drawn. In y = 3x - 2 (y line is 3) and y = -1x +2 (y line is -1) or am I totaly lost. After continued effort I beleive 1st equation m = 3 and y-intercept is...

Math
The sum of two numbers is 112. The second is 7 more than 4 times the first. What are the two numbers? Am I doing something wrong? I seem to be stuck. x + y =112 (x+7)4y=112 The second equation should be: y+7=4x Should be the 2nd equation. The 2nd one: y is 7 more. This is a ...

Algebra
Which of the following represent the equation of the line passing through (6, –10) and (6, –6)? A) x = 6 B) y = 6 C) y = x + 6 D) y = 4x My solution was m = -6 +10 = 4/0 6 – 6 because 4 0ver 0 was the result of my solution I thought answer D (above) was my ...

Algebra
I have been asked a question regarding inconsistency. How would I use these equations to solve the questions? x-y=5 2x = 2y+14 If you arrange your second equation this way 2x - 2y = 14 then divide by 2 you get x-y=7 compare this with your first equation You are looking at two ...

Math
Finding the slope and y-intercept for x = -9, I beleive is (-9, 0) and the slope is undefined. However what if you are looking for the slope and y-intercept of y = x? Hmmm. It is a vertical line, so you are right, slope is undefined. Now y=x is easy Rewrite it as y= 1*x + 0 ...

Math
I'm having problems solving for an equation with a single variant. example: 3x + y + 3 Please show work so I can fully understand Thanks I don't understand your question, you don't have an equation. I have to graph 3x + y = 3, so I was trying to solve it to graph ...

Math
How do you get a slope if you only have the y-intercept. example: (0,5) and (-3, -4) To find slope: slope = (y2 - y1) / (x2 - x1) With your values: slope = (-4 - 5) / (-3 - 0) = -9/-3 = 3 I hope this will help and is what you were asking.

Math
How would one write y = 2/3x -4 in standard form? First read: http://www.algebralab.org/studyaids/studyaid.aspx?file=Algebra1_5-5.xml Then: multiply both sides by 3 3y=2x-12 then move terms into standard form -2x+3y=-12 you could multiply both sides by -1 to get 2x-3y=12 but ...

Math
Posted by Lance on Friday, April 27, 2007 at 9:47pm in response to math. please give us one set of numbers so we can work an example for you. What was the percentage increase in motor vehicle production in countries outside the United States from 1950 – 1997? 1950- 10,577...

math
What was the percentage increase in motor vehicle production in countries outside the United States from 1950 – 1997? 1950- 10,577 1997- 53,463 I'm trying to figure out the percentages of population increases between different countries at different years. Having ...

math
what would the dimensions of a retangle be whose perimeter is 50(P=50)inches when the length is 2x-5 ane the width is unknown The width must be 25 - (2x-5) = 30-2x, since the sum of the length and width must be half the perimeter. You do not have enough information to solve ...