# Posts by monica

Total # Posts: 642

math
Let f(x)=9x^2+6x-8, find f(-7)

math
Thank you Steve!

math
f(x)=-7/x-9 What number must be excluded from the domain and why?

math
Thank you Reiny!

math
Ellen wishes to mix candy worth \$1.64 per pound with candy worth \$3.46 per pound to form 20 pounds of mixture worth \$3.00 per pound. How many pounds of the more expensive candy should she use?

chemistry
Determine the gram molecular weight of 3.5 moles of H2O2

math
Any chance you gals would like to go to class with me tomorrow evening? It's 6:00-9:45 pm eastern time in Richmond, IN? Thank you very much for the assistance, I really do appreciate it more than you know.

math
I would love to try that, but I have no idea where to begin. I don't have class until tomorrow night, so I cannot ask my instructor. I am not trying to be selfish with the help I've received from this site. I am grateful and I genuinely need help.

math
And I am very appreciative of the help I've gotten so far. I sincerely am. I am unsure how to set up this problem?

math
Walnuts sell for \$10 per pound and pecans for \$18 per pound. How much of each type of nut would produce 40 pounds of a mix that sells for \$15 per pound?

math
Excellent! Thank you Kuai!

math
Children's tickets to a movie cost \$7. Adult tickets cost \$12. If 275 tickets were sold for a total of \$2490.00, how many of each type were sold?

math
y+3x^2=2 f(x)= f(4)=

math
My bad...

math
Children's tickets to a movie cost \$7.00. Adult tickets cost \$12.00. If 1275 tickets were sold for a total of \$2490.00, how many of each type were sold?

math
Thank you, Sue! That's awesome!

math
The difference between two numbers is 36. The sum of these two numbers is 62. Find the numbers.

math
Thank you Kuai!

math
A 10% acid solution is to be mixed with a 50% solution to get 200 liters of a 20% solution. How many liters of each solution should be used?

Algebra
6x^7-3x^3+2x^7+8x^3=

Art
What about bats, and water? I've seen water in caves.

Algebra
(8x^(2)-4x-29)+(9x^(2)+7x)=

eng225
Satire?

Algebra
Identify the solution(s) of the system of equations 3x-2y=6 5x=5-25y

Algebra
Identify the solution(s) of the system of equations 9x + 2y = 6 8x - 2y = 8

Algebra
Identify the solution(s) of the system of equations 3x+2y=4 5x-4y=3

Chemistry
A solution contains 80.0 g of sodium chloride and 400.0 g of water. Calculate the NaCl as a mass percentage

chemistry
Physicain elects to re-hydrate the patient br intravenous(IV) administration of 2.0 L of 0.45% (w/v) of NaCl. 0.45%9w/v) = 0.45g/100ml A.How many grams of NaCl were given? B.How many moles of Nacl were given? C.What is the molarity of the NaCl solution?

english
what keeps the "you" company in the poem The Journey by Mary Oliver?

L.O
1. identify and describe 3 environmental health hazards that cause ill health,crises, and/or disasters within your community or any other community withing SA and globally. Include evidence that is current of the identified issues, use graphs, statistics, pictures,etc. 2. ...

physics
A 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. (a) What was the average force of air resistance (e.g., friction) acting on the diver. (b) What is the force of friction underwater if she reaches a depth of 2.5 m ...

physics
A 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. (a) What was the average force of air resistance (e.g., friction) acting on the diver. (b) What is the force of friction underwater if she reaches a depth of 2.5 m ...

Math
Find the dimensions of a rectangular cover plate if its length is 8 inches longer than its width if its parameter is 60 inches(Hint:P=2L=2W)

Psy202
After hearing about some possible causes of sneezing, a scientist decides that room fresheners are the most common cause. What is the term that describes the scientist thinking

Math--Algebra
What is the answer to the riddle: why does the us mint need a new building?

Data Mangement- Math
The diagram represents the computer network between the department offices in a high school. The network can send data from one computer to another using any number of intermediate connections, but the data can pass through each connection only once. How many routes are there ...

English 225
Which of the following editing techniques helps keep screen direction constant?

Math
Sandra used a triangular prism 10 cm long to refract light into the spectrum. Each triangular end had an area of 3.5 cm squared and sides 3 cm, 3 cm and 2.6 cm. What was the surface of the prism?

Math
Express as a function of two variables. An open box is to contain a volume of 12 cubic meters. Given that the material for the sides of the box costs \$2 per square meter and the material for the bottom costs \$4 per square meter, express the total cost C of the box as a ...

5th grade math
the rule is to multiply the input by the input by itself? 3, 4, 5, 6, 0, 10 9, 16, 25, 36, 0, 100 3x3 = 9 4x4 = 16 5x5 = 25 6x6 = 36 0x0 = 0 10x10 = 100 The operation I see is that all these numbers are multiplied by its value. Input Output 3 9 4 16 5 25 6 36 0 0 10 100 Trick ...

physics
If u type this question in to the google it will give u the answer which agrees with your text book

chemistry
If you made up a solution of NaOH by adding 0.010 mole of solid NaOH to 1.0 liter of distilled water, what would be the pH of the solution?

Math
find the actual rational zeroes for f(x)=4x^3-16x+17x-5

math
What is the value of x if the perimeter of a rectangle is 38cm.?

Chemistry
A 7.83 g sample of NaCl is dissolved in 90.00 mL of ethyl alcohol solution. Calculate the molar concentration of the solution.

Chemistry
That's what i was going over an was thinking that was the answer.

Chemistry
The combustion of 1 mole of CO according to the reaction CO(g) + ½O2(g) → CO2(g) + 67.6 kcal gives off how much heat?

precalculus i dont understan this hw
for you its easy because you understand it !

precalculus i dont understan this hw
How to prove sec x - tanx sinx= cosx

I NEED HELP ASAP
how to prove cos^2A(1+tan^2 A)=1

I need help
SOME ONE SHOW ME HOW YOU DO IT PLEASE

I need help
how to verify csc(pi/2- θ)/cscθ=tan θ Pi/2 is a fraction then the / sign is meant for dividing

pre-calc help please !
thank you !!!!

pre-calc help please !
how do you verify this identity Sin^3βcosβ+cos^3βsinβ=sinβcosβ

English 4
How does nature in Wordsworth's poetry differ from nature in Byron's description of the Byronic hero?

Algebra 1
Solve 7x/3 < 2

English 4
Name five of the political or economic events in the seventeenth or eighteenth centuries that influenced social unrest.

English IV
Is it true or false? A sentence is a group of words expressing a complete though and each will begin with a capital letter.

English Capitalized
aunt consuelo is consuelo melendez,doctor of dental surgery.

Maths
thanks Steve,but the second one still don't get it right

Maths
Simplify: 3-10+9.7 Simplify: 2+3.10 divided by 5.3-9 Simplify: 16-10 divided by 5+13

English
An appositive is a noun that is placed after another noun in order to tell more about it and it's usually set off with commas.

English
Are the questions true or false?

English
A sentence is a group of words expressing a complete though and each begin with a capital letter.

English
According to authorities;only 35% of criminals go to jail

English 4
I just need an idea of an opinion cause i don't know where to start.

English 4
Write a brief response to Polonius's statement "And thus do we of wisdom and of reach... By indirections find directions out." What do you think of his method of finding out the truth about his son?

English 4
Hamlet Act 1 scene 1-4 Most of the advice Polonius gives Laertes concerns etiquette and ways to make a good impression on other people. Name the precept from Polonius's farewell speech to his son that seems to contain the best advice on how to be a good person rather than ...

chemistry
How many moles of are needed to react with 0.460 ?

trig
find the exact value of sinu/2, given that cosu=-4/5 and pi/2less than u less than pi

Physics
An object is dropped from a cliff thatis 256 m above the sea. just prior to splashing into the water, how fast is it going? How long did it take to fall?

Algebra 1
Select the points that lie on the function h(x) = 3x^2.

Algebra 1
A clerk was asked to change a \$10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return? I don't know why but this is stumping me. Help plz.!

Pre-Cal/Trig
Explain how to solve the following question. Surveying: From a point A hat is 10 meters above level ground, the angle of elevation of the top of a building is 42 degrees and the angle of depression of the base of the building is 8 degrees. Approximate the height of the building.

Algebra 1
Yea i juss did the problem on paper an got the same answer. Thank yu :)

Algebra 1
A girl scout troop sold cookies. If the girls sold 5 more boxes the second week than they did the first, and if they doubled the sales of the second week for the third week to sell a total of 431 boxes of cookies, how many did they sell each week?

Algebra 1
The larger of two consecutive integers is 7 greater than twice the smaller. Find the integers. A) 4,5 B) -8,-9 C) -5,-6

Algebra 1
Thanks :)

Algebra 1
Thank Yu. Unknowns seem to get me stuck. I have another one. Separate 846 into 3 parts so that the second part is twice the first part and the third part is triple the second part. Which of the following equations could be used to solve the problem?

Algebra 1
Two fewer than a number doubled is the same as the number decreased by 38. Find the number. If n is "the number," which equation could be used to solve for the number?

Algebra 1
Solve for b 3a + 2b = c

Algebra 1
Thank you :)

Algebra 1
-1 3/4 because 3.5 divided by 2 is 1.75 and 75 is 3/4 of 100?

Algebra 1
The choices for answers are -5 1/2 -1 3/4 -1 1/2

Algebra 1
-3 1/2= 1/2x+1/2x+x

Algebra 1
Solve 7+x-15=-2 2/3

english
It’s obvious that your position is false.” This statement employs which of the following rhetorical devices?

Science
How do fruit seeds help fertilize plants and help them grow?

math
Kyle has 3, so Robin has 3*3 scrapbooks. Add 3 and 9 to get 12, so combined they have A...12 scrapbooks

Simplifying Fractions
Are you just asking how to simplify them into those fractions? For the first one, divide the numerator and denominator by 20. Look for the greatest common denominator and divide the top and bottom by it. The second one has a gcd of 15, so divide both top and bottom by 15 to ...

English
Anything can be written good in 3rd person! I like the idea of using a little boy lost at the airport; sorry it was taken. Maybe you could write about a young child going through a rough time in his/her family. ( you know: maybe a death in the family or parents are getting ...

British Lit
What are the 3 languages that derive from the original Celtic language?

British Lit
What unified Britain to accept Christianity?

British Lit
What unified the religion of Britain?

English 4
Thats the one i was thinking to. Thank You.

English 4
What is the conceit in "There is a Garden in her Face"? a. The women's face is compared to lilies and roses in a garden because of her white skin and red cheeks. (Line 2) b. The women's lips are compared to cherries because she will not allow anyone to kiss ...

English 4
A recurring theme in literature is the transient nature of the world and life. Provide two ways in which this theme is expressed in Anglo-Saxon and medieval literature.

English 4
The 14th century was a time of what? a.peace b.urban growth c.inflation d.upheaval and change

English 4
What are 3 common forms Anglo-Saxon literature?

math
3.3g

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