Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 236

**EDU**

What are the positive and negative influences of the media on adolescents?

**EDU**

Thanks bobpursley, I didn't even think about the calculators!!! Thanks GuruBlue

**EDU**

If you had to choose technology tools to use in the classroom, what would they be? I have already decided on SmartBoards, Computers and Projectors.

**ALGEBRA**

can someone help me please!!!! (6x^8 - 6)(x^9 - 9)

**ALGEBRA**

Thanks!!

**ALGEBRA**

What is the vertex of a parabola? How do you determine the vertex of the parabola?

**AED**

Thank you for your feedback Ms. Sue. I appreciate it very much!!!

**AED**

here's a few that I came up with: Strengths: all students are entitled to public education; the ability to accommodate students in classrooms the weaknesses:not enough funding; the quickness to place students on medication; not enough patient & experienced teachers; not en...

**AED**

What do you think are the greatest strengths and weaknesses of the current special educational system in America??

**ALGEBRA**

solve 3x^2 = 15

**ALGEBRA**

give exact and approximate solutions to three decimal places. x^2 + 10x + 25 = 1

**ALGEBRA**

solve 3x + x(x-1)=0 and find the y intercepts of f(x)=3x + x (x-1)

**ALGEBRA**

determine the nature of the solutions of the equation x^2 - 20 = 0

**ALGEBRA**

give exact and approximate solutions to three decimal places x^2 - 7x + 7 = 0

**ALGEBRA**

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function. f(x) = -2x^2 + 2x + 9 x coordinate is y coordinate is the equation of the line of symmetry is x = Maximum/minimum of f(x) is the value, f (1half) = 19 over 2 (fraction) is ? min or m...

**ALGEBRA**

a. Does the graph of this equation open up or down? How did you determine this? b. Describe what happens to the tickets sales as time passes. c. Use the quadratic equation to determine the last day that tickets will be sold. Note. Write your answer in terms of the number of da...

**ALGEBRA**

1. Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office manager. The box of...

**Math**

Isn't 1/7th less than 1/6th?

**ALGEBRA**

Find the coordinates of the midpoint for the following equation: y = -2x^2 + 20x + 1. Your answer should be in the form (x-coordinate, y-coordinate). (Hint: Find the x-coordinate by using the Midpoint Formula [-b / (2a)]. Then find the y-coordinate by plugging the x-coordinat...

**ALGEBRA**

Examine the following equation: y = -2x^2 + 20x + 1 * What shape does the graph of this equation make? (Hint: You should be able to tell just by looking at the first term of the equation.) * Does the graph open up or down (Hint: You should also be able to answer this just by l...

**ALGEBRA**

Quadratic equations can be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer?

**ALGEBRA**

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?

**ALGEBRA**

would it be (6)^61/72?

**ALGEBRA**

how can i use the law of exponents to simplify: (6 ^5/8)^2/9 5/8 fraction 2/9 fraction

**ALGEBRA**

add then simplify.by collecting like radical terms if possible assuming that all expressions under radicals represent non negative numbers: √5a + 2√45a^3

**ALGEBRA**

how do I multiply (6 + √2) (6 - √2)

**ALGEBRA**

Multiply & simplify Assume that all expressions under the radicals represent non negative numbers... √5x^7 √35x

**ALGEBRA**

simplify by taking roots of the numerator & denominator √64/y^2

**ALGEBRA**

Rewrite this as an rational exponent: (√7mn)^7

**ALGEBRA**

Use rational exponents to write 4√6 * 3√7 as a singular expression. How in the world do I write this??

**ALGEBRA**

Solve the equation SQRT(x+3) + 1 = 8; find the value of x.

**ALGEBRA**

Solve the equation SQRT(x+3) + 1 = 8; find the value of x.

**ALGEBRA**

Find a set of values for a and b that will result into a rectangular computer monitor with a diagonal (c) of 20".

**ALGEBRA**

Find the distance between two points which have the coordinates of (5,1) and (8, 5).

**ALGEBRA**

2. The equation D=2.2√ h gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a. Solve this equation for h. b. If Long’s Peak in Rocky Mountain National Park, is 14,275 feet in elevation, how far can you see to the horizon ...

**ALGEBRA**

1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, and...

**ALGEBRA**

sqrt(5) * sqrt(10) * sqrt(x^2) = how can i solev this??

**ALGEBRA**

How can I rearrange the following equation to solve for “x”: y = sqrt(x) / z

**ALGEBRA**

Rearrange the following equation to solve for “x”: y = sqrt(x) / z How do I even begin???

**ALGEBRA**

What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?

**ALGEBRA**

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.

**ALGEBRA**

If you are subtracting fractions like 8-y over y-4 MINUS 7y-9 over 4-y... will the LCD be y-4? I'm stuck on this!!

**ALGEBRA**

i forgot about the zero thing. thank you

**ALGEBRA**

to solve the following: 4-s over 7-s = 3 over s-7... LCD is s-7 then (s-7)(4-s over 7-s) = (s-7) (3 over s-7)? am I on the right track???

**ALGEBRA**

If I am dividing the following: x^2+3x over x^2+2x-3 by x over x+1.. i know to do the recip. of x over x+1 and get the foll. x^2 + 3x over x^2 + 2x -3 times x+1 over x... now (x^2+3x)(x+1) over (x^2+2x-3)(x) now x(x+2)(x+1) x(x+2)(x-1) the x+2 over x+2 = 1 so wouldn't the ...

**ALGEBRA**

gotcha now, i didn't copy the = sign after 63x... thank you very much!!!

**ALGEBRA**

so now do I have 63x * 42x + 294? then subtract 63 from both sides and get -21? then divide 294 by -21?

**ALGEBRA**

Maria bicycles 7 km/h faster than Carlos. In the same time, it takes Carlos to bicycle 42km, Maria can bicycle 63km. How fast does each bicyclist travel?

**ALGEBRA**

Thank you.

**ALGEBRA**

so all three have the same lcm? That was like a trick question!! thanks

**ALGEBRA**

I need help finding the LCM of (8+3w) (64-9w^2) (8-3w)

**ALGEBRA**

Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 35 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together? ____ minutes ??

**ALGEBRA**

Maybe I wrote the problem wrong... 6 = 5 z+8 4+x is that the same as what i put earlier?

**ALGEBRA**

help me solve 6/z+8 = 5/z-3? do i first find the lcd?

**ALGEBRA**

ok i did it like this: 6000/(300-3*99) oh!!! never mind got it now..thank you!!!!

**ALGEBRA**

For A...I have 80million B...200million C...58 million

**ALGEBRA**

1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C = __6,000__ (all supposed to be underlined) 300-3x a. What is the cost to remove 75% of the pollutant? b. What is the cost to remove 90% of the pollutant? c. What is the cost to remove 99% o...

**ALGEBRA**

I still do not understand it.

**ALGEBRA**

So inother words, we need to make that solutions are not those of original equations??

**ALGEBRA**

When solving a rational equation, why is it necessary to perform a check?

**ALGEBRA**

Bill wants to open a business selling chairs. It will cost him a fixed amount of $1,000,000 to open a factory, and a variable cost of $5 to manufacture each chair. What will the total cost be to produce: 1,000 chairs? 100,000 chairs?

**ALGEBRA**

Examine the following equation: [z = 100 / (5t)]. What does “z” equal when: t = 2? t = 5? t = 20? t = 0?

**ALGEBRA**

ok, so by the website, I am supposed to do this: 28x^3-30x^2-67x-21 / 7x+3 and I got x^2-3x+8 is that right?? thanks for the website

**ALGEBRA**

If I divide 28x^3-30x^2-67x-21 BY 7x+3...will I get 4x^2-10x-21? THEN 28x^3-30x^2-21THEN 14x^2-15x^2-21???? PLEASE HELP!!!

**ALGEBRA**

SO WILL THE SECOND ONE BE (b+2)(b^2+2b-4)????

**ALGEBRA**

if i factor b^6-64 will I get (b^3+8)(b^3-8)??

**ALGEBRA**

and that's it??? That's right, it cannot be simplified b/c of no like terms!!! WHEW!!!

**ALGEBRA**

OOOPPPPSS!!! I wrote the problem wrong... Multiply (y^2)(8y^2-9y+3) then go with the first part of my 'THEN'

**ALGEBRA**

with multiplying this: 9y^2-9)(8y^2-9y+3) I have: 8y^2(y^2-9)-9y(y^2-9)+3(y^-9) THEN 8y^2*y^2-9-9y*y^2-9+3*y^2-9.... THEN 8y^8 - 6 ??? I think that I am lost

**ALGEBRA**

thanks!!! ;-)

**ALGEBRA**

for subtracting this problem: (0.04x^3-0.03x^2+0.02x)-(0.03x^3+0.08x^2-6) I know to change the signs of the second grouping. When I done that, I cam up with: 0.04x^3-0.03x^2+0.02x-0.03x^3-0.08x^2+6 THEN .01x^3 - .11x^2 + 0.02x + 6.....is that right?? the signs are changed b/c ...

**ALGEBRA**

thanks!!!

**ALGEBRA**

If I add: 1+2x+6x^2+9x^3+7-2x+6x^2-9x^3... won't I have to combine terms & then get 8+12x^2 cause won't the 9x^3 and the 2x cancel itself out???

**ALGEBRA**

SO do I take the square root of both a and 4? If so square root of a is a and 4 is 2???

**ALGEBRA**

so this answer is n/a??

**ALGEBRA**

I HAVE A PROBLEM.... FOR A^2=4 AM I SOLVING FOR A OR ^2? WILL A BE 2?

**ALGEBRA**

Suppose it takes 3 days for a space vehicle to travel from the Earth to the moon. About how long would it take the same vehicle traveling a the same speed to reach Neptune?

**ALGEBRA**

OK, SO THEN I HAVE 4r^2-2s+7 Is that right???

**ALGEBRA**

add (r-7s+2)+(4r+6s)+(s+5) do i add like terms: (4r^2)+(-2s)+(7)

**AED**

Thank you.....for that comment and for pushing me to really think about things. :-)

**AED**

I mean, does that make sense? When I say above and beyond, I mean REALLY getting to know these elementary students, finding out their likes/dislikes, their needs not their wants, seeing how they feel about life at home and showing that they care. For example, when I become a t...

**AED**

When I discuss teachers, I guess I base my opinions on those that my oldest son had in school. A 'well-qualified' teacher is a person that goes above and beyond what they are required to do(by law) to ensure that their students are getting the right tools and knowledge...

**AED**

Ok, I understand that that the NCLB was made to make sure that all are NOT left behind in the education field. That all children have a chance to improve test scores and to improve their skills before they give up hope. I understand that (in my opinion) if this law did not exi...

**AED**

Identify how each of the five core principles of NCLB 2001—strong accountability, expanded flexibility and control, methods based on scientific research, expanded options for parents, and highly qualified teachers—might affect diverse learners, both positively and ne...

**ALGEBRA**

thanks

**ALGEBRA**

If you have $10 in the bank today and $25 in the bank tomorrow, what was the percentage increase in your account balance?

**ALGEBRA**

So, with the (Y1-Y2)/(X1-X2)..I get: 5-1/3-0=4(y)/3(x)

**ALGEBRA**

Find the slope of a line that intersects the following two points with the coordinates: (0, 5) and (3, 1)

**GEO**

What are some of the resources that are abundant int he San Andreas region? What is the importance and economic value of those resources?? I can't find anything on this.

**GEO**

What is the relation of metamorphic rocks and the San Andreas fault?

**GEO**

WHAT IS THE RELATION OF IGNEOUS ROCKS TO THE SAN ANDREAS FAULT?

**GEOLOGY**

WHAT PROCESS OF PLATE TECTONIC IS RELATED TO THE FORMATION OF GRANITE?

**GEOLOGY**

i got it now, it is an igneous rock.

**GEOLOGY**

WHAT NATURAL GEOLOGIC EVENT (EARTHQUAKE, VOLCANO, ETC) CREATED GRANITE?? I CANNOT FIND ANY INFO ON IT.

**HIS**

WHAT IS THE SIGNIFICANCE OF THE WESTERN EXPANSION?

**HISTORY**

THANKS

**HISTORY**

What is the significance of the Rosies in American culture? When I look it up, I get info about the Riveter....is that the same thing?

**PRAXIS**

DOES ANYONE KNOW WHERE I CAN GET FREE INFO ON PRAXIS TESTS??? ANY POINTERS ON THE TESTS??

**HISTORY**

THANK YOU VERY MUCH!!!

**HISTORY**

SO HIS SPEECH HAS A LOT TO DO WITH THE ATTACK ON PEARL HARBOR??