Friday

November 27, 2015
Total # Posts: 380

**I ddo not understand notation**

sorry, it didn't post correctly. Graph the system of inequalities x (lesser or equal to sign)2 y (greater or equal to sign)-2x+4 I am having trouble understanding what points to plot on the graph and also how the graph should be shaded (if at all).
*May 26, 2008*

**algebra**

Graph the system of inequalities x¡Ü2 y¡Ý-2x+4 I am having trouble understanding what points to plot on the graph and also how the graph should be shaded (if at all).
*May 26, 2008*

**algebra**

Can someone please help me with this? Use the set-builder notation to describe the solution. 3(3-8x)+5x<2(9+6x) {x„ x ?,?} Thank you
*May 26, 2008*

**algebra**

I hope that someone can help me with this. 0.3(11x+4)is greater or equal to 2.1-(x+8) I came up with the answer x less than or equal to -71/43 Is this correct?
*May 26, 2008*

**algebra**

The coffee counter charges $9.00 per pound for Kenyan French Roast coffee and $8.00 per pound for Sumatran coffee. How much of each type should be used to make a 20-lb blend that sells for $8.40 per pound? Answer: Kenyan-8 lb; Sumatran-12 lb. Can someone help me with how they...
*May 19, 2008*

**algebra**

What are some examples of real life situations where you might use polynomial division?
*May 19, 2008*

**algebra**

What are some examples of real life situations where you might use polynomial division?
*May 19, 2008*

**a**

What are some examples of real life situations where you might use polynomial division?
*May 19, 2008*

**Science**

what instrument is used to measure water vapor content of air?
*May 13, 2008*

**algebra**

Casn someone help me please? I have a graph that shows the point on the y-axis to be 5 and the point on the x-axis to be 5. I need to find a) f(3) b) the Domain c) any x valuesfor which f(x)=1 d) the Range
*May 13, 2008*

**algebra**

In 1920 the record for a certain race was 45.4 sec. in 1950, it was 41.5 sec. let R(t) = the record in the race and t the number of years since 1920. R(t)=? What is the predicted record for 2003? What is the predicted record for 2006? in what year will the predicted record be ...
*May 12, 2008*

**algebra**

what is the slope intercept equation for 8 and y intercept (0,5) y=? I got y=8x+5 is this correct?
*May 12, 2008*

**algebra**

I got y=8x+5 is this correct?
*May 12, 2008*

**algebra**

what is the slope intercept equation for 8 and y intercept (0,5) y=?
*May 12, 2008*

**algebra**

x+2y=7 2x+4y=5 are the graphs of these equations perpendicular?
*May 12, 2008*

**algebra**

for the nonlinear equation f(x)=4x+4 x=2 x=4 is it correct to say that two inputs would be 12,20. If not could you help me with two inputs? Thank you
*May 7, 2008*

**algebra**

can someone help me with the steps for finding how f(0);f(7a) are the inputs for the nonlinear function? f(x) = 3x² – 2x + 8
*May 6, 2008*

**algebra**

did the web site show you the steps? Do you have them available?
*May 6, 2008*

**algebra**

Kell, how did you find these two inputs?
*May 6, 2008*

**algebra**

can you give me an example of a nonlinear function with two inputs?
*May 6, 2008*

**algebra**

I'm stuck, what would be two inputs for this nonlinear equation? f(x) = x³ - 7 x = -2 x = 2
*May 6, 2008*

**algebra**

I'm stuck, what would be two inputs for this linear equation? f(x) = x³ - 7 x = -2 x = 2
*May 6, 2008*

**algebra**

what would the graph of interval (-4, 10) look like?
*May 2, 2008*

**algebra**

Please help me with this from a base elevation of 9500 ft., a mountain rises to a summit elevation of 14318 ft. over a horizontal distance of 15847 ft. would the grade of the peak be 3.3%
*April 28, 2008*

**algebra**

from a base elevation of 9500 ft., a mountain rises to a summit elevation of 14318 ft. over a horizontal distance of 15847 ft. would the grade of the peak be 3.3%
*April 28, 2008*

**algebra**

I need to find what percent the grade is
*April 28, 2008*

**algebra**

from a base elevation of 9500 ft., a mountain rises to a summit elevation of 14318 ft. over a horizontal distance of 15847 ft. I cannot figure out the grade of the peak. Can someone please help me?
*April 28, 2008*

**algebra**

y=1/2x I determined that the ordered pairs tha could be graphed are 0,2 and 3,0 I'm not sure if these are correct and I am unable to determine the y intercept. Is it 4?
*April 28, 2008*

**algebra**

2x+6y=60 in determinng the x and y intercept I came up with the order pair 0,-10 Is this correct?
*April 28, 2008*

**algebra**

a car rents for $35 per day plus .22 per mile. You are on a daily budget of $90. what mileage will allow you to stay within your budget? Would the correct answer be 1.6?
*April 28, 2008*

**algebra**

I am trying to figure out how to graph 3y-9=3x What would the intercepts be?
*April 28, 2008*

**algebra**

what is the y and x intercept of -16x+y=28?
*April 28, 2008*

**algebra**

is 2 a solution to the inequality, 9+12x<6x-6
*April 25, 2008*

**algebra**

-5y>13 Is the solution to this inequity y < - 13/5?
*April 22, 2008*

**algebra**

how can you determine if two lines are perpendicular?
*April 17, 2008*

**algebra**

how do you find the ordered pairs for a graph for example y=2x
*April 15, 2008*

**algebra**

how do you find the ordered pairs for a graph for example y=2x
*April 15, 2008*

**algebra**

I am really confused!!! how do you make a table for solutions? For example y=2x The table of solutions shows 0,0; 1,2; -1,-2;2,4;-2,-4 The would than be plotted on a graph. What I can't figure out is how they got the pairs.
*April 15, 2008*

**algebra**

how can you determine if two lines are perpendicular?
*April 15, 2008*

**algebra**

Create an equation of a nonlinear function and provide two inputs to evaluate
*April 14, 2008*

**algebra**

Create an equation of a nonlinear function and provide two inputs to evaluate
*April 14, 2008*

**A**

What is the translation of: The product of 32% of some number (q represents some number)?
*April 14, 2008*

**algebra**

what is the solution to 8/9(b-72)
*April 14, 2008*

**algebra**

I would like an example of an inequality that uses both multiplication and addition properties of inequalities.
*April 5, 2008*

**algebra**

I'm having trouble getting the symbols to post correctly on this page so let me try this again..... 3(7+2x) ¡Ü 30+7 (x-1) The answer to this inequality problem is x x ¡Ý-2 -2 I can't figure out how they got this answer. Can you show me the steps?
*April 5, 2008*

**algebra**

In an equation does the inequality sign change when both sides are multiplied or divided by a negative number? Why or why not?
*April 5, 2008*

**algebra**

If you replace the = sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?
*April 5, 2008*

**algebra**

Can you give me and example of an inequality and provide a value that may or may not be a solution to the inequality?
*April 5, 2008*

**algebra**

3(7+2x ¡Ü 30+7 (x-1) The answer to this inequality problem is x ¡Ý -2 I can't figure out how they got this answer. Can you show me the steps?
*April 5, 2008*

**algebra**

Can you give me and example of an inequality and provide a value that may or may not be a solution to the inequality?
*April 5, 2008*

**algebra**

If you replace the = sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?
*April 5, 2008*

**algebra**

How do you know if a value is a solution for an inequality and how is this different from determining if a value is a solution to an equation?
*April 5, 2008*

**algebra**

3(7+2x)¡Ü 30+7 (x-1) The answer to this inequality problem is x ¡Ý -2 I can't figure out how they got this answer. Can you show me the steps?
*April 5, 2008*

**algebra**

In an equation does the inequality sign change when both sides are multiplied or divided by a negative number? Why or why not?
*April 5, 2008*

**algebra**

In your industrial oven, you bake two cooking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. Write an expression that illistrates the total cost of all baked goods in the scenario using the variable s to ...
*April 3, 2008*

**algebra**

In your industrial oven, you bake two cooking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. Yesterday the bakery earned $797.30 just from the sale of the cookis. Write and solve an equation that ...
*April 3, 2008*

**chem**

Determine whether the following are endothermic or exothermic. 2H2O2 (l) ¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) ¨ CO (g) + H2 (g) ∆H = +113 kj C4H9OH(l) + 6 O2(g) ¨ 4 CO2(g) + 5 H 2O(g) ∆H = -2456.1 2 C(s) + H2(g) &...
*March 13, 2008*

**Physics**

A 3.5 kg object is suspended from a spring of spring constant 725 N/m. Starting from the equilibrium position, the object has an initial speed of 7.9 m/s. What is the maximum displacement of the object during its subsequent motion? (In cm)
*February 26, 2008*

**English**

linking, transitive, and intransitives verbs? would the sentence "the old woman's house smelled like a ginat litter box." be linking
*January 30, 2008*

**science**

what would happen if cytokinesis occured without mitosis???
*January 22, 2008*

**science**

what are some chemical properties of pressure treated wood?
*January 1, 2008*

**Business**

How could I find the increased revenue of a company due to its effort in research and development. I look at a company's financial statements, but its consolidated and doesn't give me the info i want. Please help.
*November 30, 2007*

**Research**

Where can I find info on the trend of consumers wanting fuel efficiency vehicles?
*November 28, 2007*

**Business**

Does anyone know where I can find the profits/revenue of each brand under GM. I look at the GM site, but it gave me finanical statement of overall revenue of its company. What I need is the profit for like Buick, Saturn, Pontiac...seperatly.
*November 26, 2007*

**Can someone proof read please**

Very good
*November 24, 2007*

**CHEM**

Where did 0.0416 moles come from?
*October 28, 2007*

**Business Technology**

tarrifs are used to controll imports and allow production to adjust to consumer demand
*September 13, 2007*

**Business Technology**

Do Tariffs help us to maintain a favorable balance of trade and balance of payments?
*September 13, 2007*

**Calculus**

I've been trying to figure this out but I can't seem to find the correct answer... DIRECTIONS: Find the points of intersection of the groups of the equations, and check your results analytically. QUESTION 1: 2x - 3y = 13 5x + 3y = 1 QUESTION 2: x^2 + y^2 = 5 x - y = 1 ...
*September 10, 2007*

**math**

ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF X. Say that the height= 3x+2 base= 2 Area of a triangle equals 1/2 base times height so... (1/2) of the base is 1 and 1 times the height (3x+2) is 3x...
*July 4, 2007*

**chemistry**

operating conditions 250-300 celcius and 50-100 atmospheres are consistent with the aims of achieving a high equilibrium yield of methanol and a high rate of production. noting any conflicts, explain the role of a copper catalyst noting how its presence helps with the conflict...
*March 20, 2007*

**Health Project Ideas**

Do a healthy eating plan for one day,making sure you get plenty of each.
*February 6, 2007*

**algebra**

What is a discriminant? m_s_n encarta dictionary it explains it well In quadradic equations of the form ax^2 + bx + c = 0, the discriminant is b^2 - 4 ac.
*January 14, 2007*

**algebra**

I am having trouble finding the greatest common factor when there is a variable. I have these two problems I need help with. 1. what is the GCF of 7x^2 and 14x^3 2. what is the GCF of 4x^5 and 6x^7 The exponents are throwing me off. http://www.math.com/school/subject1/lessons/...
*January 14, 2007*

**Chemistry**

Does CuSO4•0H2O have a molar mass of 177.636? pteromys.melonisland.n et/scripts/molarmass.html ->its a molar mass calculator I think that's right but I'm not completely sure great! thanks What does the 0 mean for mols H2O? If you intended to write CuSO4 with ...
*December 7, 2006*

**philosophy**

A
*November 26, 2006*

**Science**

i have no clue thats wat im trying to figure out!!!it doesnt show anything on the internet and if it does i dont want to have to reading like 1000000 pages until i get to the point!!!
*November 5, 2006*

**hard history question**

Holland known as the Dutch Republic provide funds and put pressure on the British colonies in the Orient/Asia. As Germany (not a country yet-1860s)-German states/regions but not to confuse with Prussia (they supported Britain)
*October 6, 2006*

**eth125 Axia**

nice to see we are all in the same boat. I love this class though. I am also in the second week of this class.
*July 20, 2006*