# Posts by isabella

Total # Posts: 312

math
After delivering all of those presents, the elves were ready to eat some cookies. 50% of the cookies were sugar, and the rest were gingerbread. After eating 1,600 cookies, the number of sugar cookies decreased by 20% and the gingerbread cookies decreased by 60%. How many ...

Math Posttest Connexus 09:Posttest 9:Solving Two-
I was wondering i'm raking the same test. So I was wondering if you happen to have any other answerd? If you don't it's ok.

Calculus
Let f(x)=sqrt(x+2) and use the Linear Approximation to this function at a=14 with ?x=0.3 to estimate f(14.3)?f(14)=?f?df=

Calculus
Use a Linear Approximation to estimate sin(64?)?sin(60?)?

Calculus
A conical tank has height 3 m and radius 2 m at the top. Water flows in at a rate of 1.8m^3/min. How fast is the water level rising when it is 2.7 m?

Math
45

Maths
Find the largest no that divides 630 and 940 leaving reminders 6 and 4 respectively

Maths
Find the largest no that divides 630 and 940 leaving reminders 6 and 4 respectively

Math
Which type of graph would you use to display the data for each of the following purposes: a. To predict the world's population growth in the future b. To compare the percent of Canada's population with each blood type c. To look for a relationship between the number of...

Albegra
diego wrote one equation to find a missing angle measure.Write three more equations to solve the same problem 180 grade - -------=48 grade

Algebra
LS 154. Find the measure of angle x. Identify the two angles that form the larger angle. 2 Write a subtraction equation. Subtract to find the measure of x. The measure of x

Algebra
LS 154. Find the measure of angle x. Identify the two angles that form the larger angle. 2 Write a subtraction equation. Subtract to find the measure of x. The measure of x

Maths, triangle trigonometry
P, Q and R are three fire towers. Q is 40 km N 72°E of P and R is 48 km S 55° E of P. Find the distance between R and Q and bearing of R from Q.

Álgebra
Matt cut a circle into 8 equal sections. He drew an angle that measures the same as the total measure of 3 of the sections in the circle. What is the measure of the angle Matt drew?

science
thank you guys! <3

science
okay =)

science
Tom is marking the locations of active volcanoes on a world map. Explain how the locations of the volcanoes are related to Earths plates. can you please explain this to me, I don't understand....thx

Math
Gabriel has read 150 pages of a 236 page book.If he reads 9 pages a day, in how many days will he finish the book?

Social Studies
The early 1800s

Social Studies
"Explain how transportation innovations of the time period affected migration in the U.S" This question is really confusing to me and I need help wording it :-)

Algebra
Write an expression that is equal to 3x2 1/4

Math
The total weight of a basket of 9 melons is 19 kilograms 250 grams. If basket weighs 1 kilogram 250 grams,and each melon had the same weighs,how much does each melon weigh?

Math
The total weight of a basket of 9 melons is 19 kilograms 250 grams. If basket weighs 1 kilogram 250 grams,and each melon had the same weighs,how much does each melon weigh?

sceinc
you exert the same force on two objects of different masses .whitch object will have greater acceleration

7th American History
Thank u!

algebra
Find the pattern and fill in the missing entries. in(x) | out(y) | 23 2 | 8 -2 | -4 8 | 26 0 | ? ? | 302 1.5 | ?

algebra
The United States Department of Agriculture reported in Vegetables and Melons Outlook in 2007 that the average America consumes about 7.4 x 10^3 potato chips in a year. Since Idaho had about 1.5 x 10^6 people in 2007, how many potato chips would Idaho residents have consumed ...

algebra
(4 x 10^-5)^-6

alegebra
(1.08 x 10^-3)(9.3 x 10^-3)

CHEMISTRY
2KCLO3 + MnO3=K2MnO4 + 2CLO2

math
Helga's summer job put her in charge of the local soccer and basketball programs. To get ready, she ordered 50 balls, making sure there were 10 more soccer balls than basketballs.

Chemistry
If milk has a density of 1.03 g/mL, what is the mass of 9.00 qt, reported in kilograms?

Math
Use 18 coins to make \$1.75 I NEED LOTS OF HELP IM JUST IN FOURTH GRADE AND MY TEACHER NEVER TAUGHT ME THIS MY TEACHER IS MRS MCABE

Daily Anouncements
A student

science
Which of the following is the best instrument to use to prepare a solution

History
Hello, recently our grade was assigned a history project on the California gold rush. One of the topics we have to include is the 5 mining towns in California. So far, I know 2 which are San Francisco and Sacramento. Can you help me find the rest? Thank you.

utah state history
i have tried looking them up on google and i still don't get straight answers. ans ms. sue when i said i looked in my book that meant i read it and still cannot find answers is someone could just help me with the answers that would be great.

utah state history
i looked in my book and i couldn't find the answers. also there is no word bank.

utah state history
Please help Fill in the blank 1.The (blank) settlers were the first ones to develop agricultural practices that were adapted to the arid west. 2.The invention of the (blank) made it possible for farmers to farm much bigger plots of land. 3.The practice of (blank) made it ...

utah state history
Ms.Sue i still need help with this

utah state history
I'm not home I am doing this work in California and i didn't bring my books! i really need help figuring out the answers! i live in utah btw

utah state history
Ms. Sue im not sure on any of the answers usually when i do these there is a word box and there isnt this time.

utah state history
fill in the blank 1.The (blank) settlers were the first ones to develop agricultural practices that were adapted to the arid west. 2.The invention of the (blank) made it possible for farmers to farm much bigger plots of land. 3.The practice of (blank) made it possible for ...

Math
Number of boys = (9×1050)/(9+5) = 675

Math
Thank you it's

Calculus Applied Integrals
A cylindrical tank of 22.1m high with radius 12.2m is filled to 10m high with water. How much work must be done to pump all the water out of the tank? (density of water is 1000\ kg/m^3) I used similar triangles somewhere in my calculations to find the answer, but I'm not ...

math
Algebraic expression f - 7.3

Life Science
The process by which cellular material is divided between two new cell. (2 words)

Calculus Derivatives
Determine the concavity of f(x)=xlnx I end up with F''(x)=1/x, where it would be concave up when x>0 and concave down when x<0 Is this correct?

Calc Derivatives
Find the critical points of (4x-3)/(3x^(1/2))

Math
Find the 8th term of an exponential sequence whose first term is 3 and whose common ratio is 2

Math 12
How do you solve -6[cot(2pi/3)-cot(pi/3)]?

Equations and Inequalities Unit Test
Can somebody just say the actual answer instead of lying to us?

Calculus
1. Use the Mean Value Theorem to find an x-value where the instantaneous slope=average slope over the given interval: f(x)=(9-x^2)^(1/2) on [-3,2] I have done three chapters of Calculus already and I never have had to check for extraneous roots. So, my question is, when ...

Calculus
Would -3,0 be the critical point for f(x)=√(x+3)?

Calculus
Since f(x)=√(x-3) has an absolute minimum of 0 does its critical point exist? I'm really confused because someone mentioned that f(x)=√(x+3) does not have a critical point. Does that mean that if there is an end point there, there can't be a critical point?

math
hi! so I have almost finshed solving a math equation i'm just stuck on this one last thing: x^3=3.85x10^-17 and I don't know how to isolate for x! plz help

Calculus
Sorry, I forgot to post the function: f(x)=cos3x

Calculus
For the following function, find the relative max's or min's using any method. I'm having a hard time finding the critical points...

Precalculus- HELP!
Probably a) because you can see that the numbers are getting bigger, and will reach infinity without stopping. The other ones are getting smaller, so at some point, they'll reach a definite number, or really close to one. If you really want a clear image of this happening...

Calculus
For the function below, determine the intervals of concavity: f(x)=xlnx I tried doing it but the second derivative would always be f''(x)=1/x, so it would be concave up at x>0 and concave down at x<0, which is wrong. Also, for the function below, determine the ...

Physics
1. A steam engine converts 150 kg of water completely to steam. The process involves transfer of 4 x 10^8 J as heat. If steam escaping through the safety valve does 2 x 10^8 J of work against outside atmosphere, the net change in the internal energy is: a. 2 J b. 2 x 108 J c. ...

math
An equation is shown below: 3 over 2 multiplied by x plus 7 over 2 equals 2 to the power of x What is the solution to the equation A.X=1 B.X=3 C.X=5 D.X=8 I think it could be d

English
Reread the following paragraphs from King's letter, paying attention to the way that he structures his ideas: Paragraph 2 of 12 In any nonviolent campaign there are four basic steps: (1) Collection of the facts to determine whether injustices are alive; (2) Negotiation; (3...

Ed Tech. PLZ HELP ASAP
c??? I just looked I think its right ?

Math
Sara has some fish,2 birds, and 5 hamsters.she has 6 fewer hamsters than fish. How many fish does she have?

CHEMISTRY
Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= -4 G) SO2= +4 I) Na2SO4= +6 K) Na2S303= +2 M) ...

Chemistry
Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= -4 G) SO2= +4 I) Na2SO4= +6 K) Na2S303= +2 M) ...

Chemistry
Hello! I was working on my Chemistry HW about metric conversion. Can you please check to see if my answers are correct? I was having a hard time converting, and I think I finally figured it out. 1 microliter= 0.000001 liters 1 mL= 1,000 microliters 100mL= 0.1 liters 45 ...

suffered a decline

Language Arts

math
If you take 13 boxes to postoffice and each weigh 2/3 of pound what is total weight

language arts
thank you!

Math
Which is greater: three sets of (5 - 2) or two sets of (2 + 3)? Draw diagrams to support your conclusion.

Art
Yeah these are correct I just took the quiz! the answers are D A C

Math
7

chemistry
Calculate the mass of ethanol that must be burnt to increase the temperature of 150g of water by 75 degrees celsius, if exactly 75% of the heat released by this combustion is lost to the surroundings. Also it is given that the heat of combustion of ethanol 1367 kJ.mol^-1 and ...

Math
3 and 4

Math
Will, Micah, and Sue went to dinner. Will paid 1/3 of the dinner bill. Micah and Sue paid in the ratio 2:5. If Sue paid \$6 more than will, how much di the dinner cost?

Hard Riddles?
IF THE'RE SUVIVORS THEY SHOULD NOT BE BURIED

Math
Addison is making caramel apples. She has 2 1/2 bags of apples. One full bag has 8 apples, and each apple weighs 5 ounces. Write an expression that could be used to find the total number of ounces of apples Addison has. Then find the total number of ounces.

Math
Multiplication is defined as repeated addition. Use the word repeated to define exponential form. Justify your reasoning.

equation and inequalities
so is the equation n+17?

algebra
50+22/16x

math
Manny makes dinner using 1 box pasta and 1 jar of sauce. If pasta is sold in packages of 6 boxes and sauce is sold in packages of 3 jars what is the least number of dinners that Manny can make without any leftovers?

Math
Mount-Rush more is a sculpture that was curved using a model with a scale of 1 inch: 1 foot. Sculpture Refer to the information at the above. Find the scale factor and actual height of George Washington's face on the sculpture if the height of the the model's face is 5...

Math
How many servings can be made from 108 cups of punch?

Language Art Novel
that is really a disqusting thing to ask when you only a kid.

chemistry
To make a phosphorus fertilizer, agricultural companies use the following reaction: Ca3P2O8 + 2H2SO4 --> CaH4P2O8 + 2CaH4SO6 (fertilizer) If 1.50 * 10^4 grams of H2SO4 are reacted with excess Ca3P2O8 and H2O, how many grams of fertilizer can be made? Hi, I pretty much get ...

Operations with Fractions
thank you so much i was so stressed and now I know what to o and I am having mom quiz me on this stuff

English
How does Hamlin Garland's "The Return of a Private" exemplify the characteristics of regionalism?

Math
101.8

math
18

Math
So, the answer is 4x28+6x17-15 if it is then Yoo-hoo!!!

Math
a truck can be rented from company a for 100 a day plus 0.60 per mile and company b charges 50 a day plus 0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and b are the same. Please answer in miles

Math
Yes but I need the answer in miles

Math
a truck can be rented from company A for \$100 a day plus \$0.60 per mile and company B charges \$50 a day plus \$0.80 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for company A and B are the same.

algebra
I think it is kinda like 1x-36. I am not sure though

statistics
binomial probabilities one in four adults is currently on a diet. Find the probability that the number who say they are currently on a dies is (a)exactly three, (b)at least three, and (c) more than three

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