# Posts by Gayle

Total # Posts: 46

College Algerbra
How much acetic acid is in x gallons of a solution that is 26% acetic acid?

math
a spinner is divided into 10 sectors. the number 1 through5 are each placed in two different sectors. find the probability of each event. P(less than 3) P (5) p (8)

Science
What is the total mass when you pour 100 g of vinegar into a flask and add 10 g of baking soda in a flask. Also what is the chemical formula for this. how can we change the formula so the experiment will be accurate. Thanks

Math
An artist is designing the rectangular wire structure with four rectangles drawn inside. The artist has a 12 meter length of wire. If the entire area of the figure is to be maximized, what should be the length of X? I know the formula for area of a rectangle 2(x + y) but, the ...

Math
A spherical balloon with a surface area of 36pi square inches is inflated further until its diameter has increased by 50%. The surface area of the balloon is now? I know the formula for surface area is A=4pi*r squared. I don't understand how you can figure the problem ...

Algebra 1
Thank You

Algebra 1
D.Vertical stretch with reflection It was supposed to say this

Algebra 1
Describe the effect of the transformation. (x,y)--->(x,-7y) A. Vertical translation of -7 units. B. Vertical stretch without reflection C. Horizontal translation of -7 units D. Vertical stretch without reflection Is the answer A

Math
Thank You

Math
Evaluate the function when x= -3,0 and 2. f(x)=-x+4

Algebra 1 HELP
I got -5

Algebra 1 HELP
-5(1-5x)+5(-8x-2)=-4x-8x

Algebra 1
A scale model of the Golden Gate Bridge in San Francisco Bay has a main span that is 20 inches long. If the main span of the bridge is 4200 feet long, what is the scale of the model?

Math
10+7x=19-3y Solve for y

American History
The failures of the Articles of Confederation showed that A.) The new government had to be powerful. B.)State government had to be all-powerful. C.)The people should not grant powers to the government . D.)The government should not guarantee individual freedoms.

Help
Natalia is a better cook than me OR Natalia is a better cook than I

Statistics
Suppose that you are in a class of 31 students and it is assumed that approximately 13% of the population is left-handed. (Give your answers correct to three decimal places.) (a) Compute the probability that exactly five students are left-handed. (b) Compute the probability ...

Statistics
The number of ships to arrive at a harbor on any given day is a random variable represented by x. The probability distribution of x is as follows. (Give your answers correct to two decimal places.) x 10 11 12 13 14 P(x) 0.37 0.09 0.05 0.14 0.35 (a) Find the mean of the number ...

Statistics
Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your answers as fractions.) Red...

Statistics
Consider the following. (a) What percentage of a normal distribution is greater than the mean? (Give your answer correct to the nearest percent.) Incorrect: Your answer is incorrect. . % (b) What percentage is within 1 standard deviation of the mean? (Give your answer correct ...

statistics
Consider the following. (a) What percentage of a normal distribution is greater than the mean? (Give your answer correct to the nearest percent.) Incorrect: Your answer is incorrect. . % (b) What percentage is within 1 standard deviation of the mean? (Give your answer correct ...

Statistics
Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your answers as fractions.) Red...

Statistics
197-(31)squared divided by 10 197-961 over 10 = 96.1 then 197-96.1=100.9

math
Thank you, I just did another one of these and missed it can you look at it and help me figure out what I did wrong? A study was conducted to investigate the relationship between the cost, y (in tens of thousands of dollars), per unit of equipment manufactured and the number ...

math
A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined below. yhat = 183.8 − 20.48x (a) Find the ...

math
you have helped me so much, one more problem. Consider the following questions. (a) Chebychev's theorem guarantees that what percentage of a distribution will be included between x − 2.3s and x + 2.3s. (Give your answer correct to one decimal place.) Incorrect: Your ...

math
A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined below. yhat = 183.8 − 20.48x (a) Find the ...

Math 116
five times a number decreased by twice the same number

Math116
Can someone help me with the answers for my final exam in Math 116?

math
A group of 12 students has average height of 58 inches. Another group of 6 students have an average of 52 inches. What is average height of 18 students combined.

statistics

PHI/105
In comparing the views of David Hume, Immanuel Kant, Georg Hegel, and Arthur Schopenhauer, which view of experience seems closest to how you view the world? Briefly explain this philosopher's view as it compares to your view.

PSY 230
Explain how having a negative self-schema affects one’s social interactions. How does social intelligence affect one’s responses in any given situation? How might a person’s self-guides affect his or her perspective of the world?

PSY 230
Describe how a person’s cognitive style influences learning style. How is personality influenced by inherent learning styles and learning environments?

Math 117
Find all numbers for which the rational expression is undefined.6/2v+9

geometry
In an isosceles trapezoid, the longest base is 11", a leg is 5", and the height is 4". Find the length of the shorter base of the trapezoid.

Math
Forest rangers use degree measure to identify directions and locate critical spots such as fires. A forest ranger at tower A observes smoke at a bearing of 149 degrees (clockwise from the north) while another forest ranger at tower B observes the same smoke at a bearing of 250...

Algebra Help PLZ
This is verbatum, and that is why I am having problems with it myself.

Algebra Help PLZ
I have tried this several different ways and I am just not satisfied with the answer I keep coming up with. Trains A and B are traveling at the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. Train A passes a station at 4...

algebra
If the slope of a line is zero, I am assuming x=-4 has a slope of zero, since it is a straight line, does that make it undefined?

Algebra
I need to make sure this is correct. 5/2x+1/4x=11/4+x 4(5/2x+1/4x=11/4+x) cancel, left with 10x+1x=11+x 11x=11+x 11x-x=11 10x=11 x=11/10

Algebra
Thank you, I finally got the answer I needed after playing around with the original figures before writing the actual equation. I got E(t)=.56t+62.3 for the equation and E(18)=.56(18)+62.3=72.38 or 72.4....sound about right?

Algebra
I'm a bit stuck trying to figure out what this problem wants, can anyone help? In 1991, the life expectancy of males in a certain country was 62.3 years. In 1996, it was 65.1 years. Let E represent the life expectancy in years and t represent the number of years since 1991...

thankyou
thankyou

ALGEBRA
Jennie and Bill have a combined age of 50. 16 years ago Jennie was twice as old as Bill. Jennie is x and Bill is y. i do not understand after this x + y = 50 (x - 16) = 2(y - 16) but i know the answer is x = 28 and y = 22 Please help

Math
Help please. Jennie and Bill have a combined age of 50. 16 years ago Jennie was twice as old as Bill. Please can you help with the workin out.

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