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Posts by Clair

Total # Posts: 56

Hennepin
Let "L"= length Let "W"= width 2L+2W= 52 3W-2= L substitute in for "L" 2(3W-2)+2W=52 distribute/add 8W-4=52 isolate variable 56=8W divide w=7 2L+14=52 2L=38 L=19

Math
Difference b/w sine, cosine, and tangent/ how to remember them all?

Linear Programming to Maximize Profit
Thank You So Much!!!!!!

Linear Programming to Maximize Profit
Brian runs a factory that makes Blu-ray players. Each S100 takes 6 ounces of plastic and 4 ounces of metal. Each D200 requires 3 ounces of plastic and 8 ounces of metal. The factory has 300 ounces of plastic, 608 ounces of metal available, with a maximum of 22 S100 that can be...

Math
I need someone to check my answer these are mine A. D. D. A. D.

Math
-1/2 + 1/3= A.-1/6 B.-1/3 C.2/3 D.1/6 -3 5/1 + (-6 1/2)= A.-3 2/7 B.-3 7/10 C.-9 2/7 D.-9 7/10 5/8 -(-2/8)= A.-3/8 B.-7/8 C.3/8 D.7/8 -9/10 - 2/5= A.-1 3/10 B.-1 1/10 C.-7/10 D.-5/10 6 3/5-(-2 1/5) A.-8 2/5 B.-4 2/5 C.4 2/5 D.8 2/5 SOMEONE PLEASE HELP ME!!!

physics
A soccer ball is released from the top of a smooth incline. After 4.54 s the ball travels 8.1 m. One second later it has reached the bottom of the incline. Assume the ball's acceleration is constant and determine its value ( m/s2). How long is the incline?

math
subtract 4 2/3 - 3 2/5 ?

math help!!
Oh i forgot it says which solution is the same

math help!!
Please help 25= 2r+3 A 28=2r B 22=2r C 50= r + 3 D 25/2=r3

Math
The play is The Governess

L.A
Imeant LA.

Math
What do you learn from these stage directions? [The faintest trace of a smile on her lips] A. Julia is suddenly very happy. B. Julia knows something mistress don't know. C. Julia has made an important decision. D. Julia is thinking about someone she loves. Could the answer...

L.A
From which statement could you conclude as self important? A. "I didn't bother making a note of it because I always do it." B. "Maybe you thought you heard forty when I said thirty." C. "I excelled in mathematics. He gets that from his mother."...

Physics
A 120kg box is sliding down a hill at a constant speed. The angle of the incline is 32 degrees. Determine the normal force of the hill on the box. Determine the amount of friction on the box.

chemistry
Which of the following pairs of liquids are miscible in all proportions? Question 3 options: ethanol and oil ethanol and water gasoline and water All of the above

Calculus
Thanks i got it I think I just hiccuped there

Calculus
find the extreme values of the function and where they occur y=1/(sqrt 1-x^2). So far I have y'=x/((1-x^2)(1-x^2)^(1/2)) but I am stuck.

Physics
A 20 kg box approaches the foot of a 30 degree inclined plane with a speed of 10 m/s. the coefficient of friction between the box and the inclined plane is 0.2. (a) How far up the inclined plane will the box go? (b) If the box slides back down the inclined plane, what is its ...

Precalculus
Thank you

Precalculus
A rectangle is inscribed in a circle of radius 2. Find a function that represents the area of the rectangle in terms of x. I have (x^2)(y^2)=4 Pythagorean Theorem (y^2)=4-(x^2) y=sqrt(4-(x^2)) A=bh or A=xy A=2x*2sqrt(4-(x^2)) Is this correct or what am I doing wrong?

algebra
2*5^(2x)-5^(x)-1=0

Statistics
In a population of 500 voters, 40% belong to Party X. A simple random sample of 60 voters is taken. What is the chance that a majority (more than 50%) of the sampled voters belong to Party X?

health
same. ;)

early childhood education
1)according to the national center for education statistics which of th following is a false statement a)when it comes to grade and homework boys outperform girls in elementary secondary high school college and even graduate school. b)boys are more likely than girls to be ...

early childhood education
an important use for telephone conversation at a child care facility is to help (a)staff members understand program philosophy (b)staff members understand the reason for the childs day to day behavior (c)parents understand program philosophy (d)parents develop professional ...

Literature HELP
PLEASE Help me create a better thesis statement than this: Three arguments can be identified in “The Private History of a Campaign That Failed” that support the idea that war isn’t for everyone. The arguments are that soldiers should be adequately trained before...

Writing
The arguments are that soldiers should be adequately trained before entering a war, soldiers should consist of men not boys, and war could be traumatizing for the weak of mind.

Writing
Help me create a better thesis statement than this: Three arguments can be identified in “The Private History of a Campaign That Failed” that support the idea that war isn’t for everyone.

science
Need to prepare a lab that requires 1000ml of 1.0M HCl. You find some 3 M HCl to work with. What do you need and how would you work it out?

Math
(1.19)3 + X .49= 4.55 This is the last problem on my assignment. I tried but my teacher told me I got it wrong, help please?

Math
Every question like this I have gotten wrong: "Multiply or divide the expression below. Leave your answer as simplified as possible." (3x-1)(x+7) 10(2x-5) --------- • --------- 4(2x-5) (4x+1)(x+7) This is from the college preparatory math section 10.1.4 I need ...

Math
I finishes the math assignment but I want to make sure that I did it right.

Math
For inequality number lines would a less than or = to sign mean that that it would be a closed dot or open dot?

Math
Thanks!

Math
I need help in finding the vertex of a parabola using an equation in this form: Ax^2 + Bx+C I have a test on this tomorrow. For example: 3x^2 +1x - 2 How would I find the vertex in this?

Algebra
Write the answer to the problem as an algebraic expression. A theater ticket for adults is “A” dollars and the price of a child's ticket is “C” dollars. If 29 adults and 35 children attend the theater one night, how much money did the theater collect? ...

geometry
x=221 Thanks Ms. Sue you are the best!

geometry
Write the equation and solve the problem: A high school graduating class is made up of 512 students. There are 70 more girls than boys. How many boys are in the class?

Geometry
A polyhedron has 33 edges and 20 faces. How many vertices does it have?

math
Thank you. Why don't we use just one system, it would make things so easy!

math
Jackie goes to the store to buy some meat. The meat costs $5.80/kg. How many grams of meat could she buy for $10? is there an easy way to do this? I did a few others like it, but kg and grams is not as easy

Math
Ms. Sue that's public schools for ya! Thank you both for your help!!!

Math
If the price of gasoline in Germany is about $1 per liter, what is the equivalent price of gasoline in dollars per gallon? I know that 1 gallon =3.79 liter l liter= 0.26 gallon but I am not sure how to figure the cost?

math
I am so lost? 3.1415*12^2/4=113.094 is that right?

math
A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 12 cm? Round your answer to the nearest tenth of a cm.

Geometry
Thank you MathMate for your help and the link.

Geometry
Describe the characteristics that a pyramid must have for it to have an axis of rotational symmetry.

math
but what is a non-regular acute triangle ?

math
yes, because it would form a pattern without gaps or overlap.

Math
Thanks for the help!

Math
A musician plans to perform 6 selections for a concert. If he can choose from 8 different pieces, how many ways can he arrange his program?

Math
Thank you for your help.

Math
How many 5-character license plates are possible with 2 letters from the alphabet followed by 3 digits, if repetitions are allowed? if repetitions are not allowed?

math
In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. a. The lifetimes of a set of batteries manufactured by a company in your town. b. The list of guesses of the number of marbles in a ...

Critical thinking
How Do a person distinguish between prejudical and nonprejudical use os rhetorical devices

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