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Posts by Stella

Total # Posts: 120

Social studies
thank you!!!!! .... again!!!!!

Social studies
ummm... wait Ms. Sue i need a brazil timeline.

Social studies
Thank you Ms. Sue! i have been trying to find a timeline that makes sense!

Social studies
Directions; With your partner research events that occurred during each time period below. Use this information to make your illustrated timeline on separate blank paper. Your timeline might cover the entire 1800–1950 period or a part of that time. my mother is gone to ...

Language arts
what is the preposition in this sentence after the movie we will grab a pizza to take home A.after B.will C.grab D.to i think it is B

Science please help
blubber, fur, feathers, anything that can keep in heat haven't you already learned this?

Math
Write and solve an equation to find how much water Montana average 3 month temperature is then minnesota

Accounting
When M. Landis invests $20,000 in the corporation in return for shares of stock, is the Retained Earnings account affected? Explain your answer.

Network
List some ways in which an ISP network’s hardware would differ from the hardware found on a LAN of an non-provider network

math
Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = I honestly have no idea how to approach these problems. I wrote out the different equations: 75.94 = Q0a^7 and 91.89 = Q0a^9 but I don't know ...

math
Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = (b) Find the percentage growth rate, r. (Round your answer to the nearest percent.) r = % I honestly have no idea how to approach these problems. I ...

math
Thank you!

math
P= 12e^(-0.02t) What is the growth rate? I thought it would be -1.98% because I punched in the e^-0.02 part and got .98 something and then that minus 1 is r so I got -1.98.

pre algebra
what is the absolute value of -/-16/ thank you.

math
21.75

math
2/3 of 1200 = 800

biology
a biologist prepared a strip of agar (a gelatin- like substance) as shown in the figure below. at position 7, he placed a concentrated sample of amino acid A and at position 1, a concentrated sample of enzyme E. E is known to catalyze the conversion of A to a product P. Assume...

Statistics
Nevermind, I figured it out!! :)

Statistics
Four pairs of data yield r=0.942 and the regression equation y-hat=3x. Also, y-bar=12.75. What is the best predicted value for x=4.3? I know that the answer is 12.5, but how do you know to use the y-bar value instead of plugging the x value into the equation?

chemistry
What mass of N2O occupies a volume of 0.500 L at 0 degrees Celsius and 101.325 kPa?

Physical Science
An virtual image is an image that is formed not by the intersection of two light beams, but it appears that these light beams intersect at some point. The optics of convex mirror doesn't allow the light beams to intersect at any position of object in relation to the mirror...

Fractions
thanks how can i draw it to explain?

Fractions
julia has 8 red barrettes. 2/4 of her barrettes are red. how many barrettes does julia have? please explain, is it one whole?

MATH Fractions
thank you very much

Algebra 1
THANKS

Algebra 1
Check answer Glass Vase You are taking a glass-blowing class and have created a vase in the shape of a sphere. The vase will have a hole in the top so you can put flowers in it and it will sit on a stand. The radius of your vase is 21/2 inches. Use the formula V=4/3:r^3 ...

Algebra 1
Thank you it helped :D

Algebra 1`
Write the equation so that y is a function of x. -12x+3y=15 Can someone show me steps.

Math.
39. Students are cleaning a local park in groups. There are 50 boys & 75 girls. Each group has the same number of boys and the same number of girls. What is the greatest possible number of groups? 40. You are dividing a community garden 35 m long by 15 m wide into equal sized ...

HSM 260 checkpoint 6
I think the question is...we are only to use the year 2002 in Appendix D. Others are using 2002, 2003, and 2004, to come to the BEP. If an instructor asks for us to only use 2002, how can we complete the checkpoint accurately.

math
find the three cuberoots of 8( cos 264 + jsin 264) and state which is the principal cuberoot. Show all three roots on an argand diagram.

math
How do I solve 7/2t+2=4+7t

math
how do I solve: -3/7(m+5)=3+2m

Physics
At a certain distance from the center of the Earth, a 4.00-kg object has a weight of 1.95 N. Calculate this distance.

Physics
v = sqrt(G*.157*((1/173) - (1/379))) = 1.81x10^-7 m/s For the second question just multiply the mass by 4. v= 3.63x10^-7 m/s

Physics
Its wrong.

Physics
Two baseballs, each with a mass of 0.157 kg, are separated by a distance of 379 m in outer space, far from any other objects. If the balls are released from rest, what speed do they have when their separation has decreased to 173 m? Ignore the gravitational effects from any ...

Algebra
During the first part of a trip, a canoeist travels 57 miles at a certain speed. The canoeist travels 13 miles on the second trip at a speed 5 mph slower. The total time for the trip is 5 hrs. what was the speed on each part of the trip? The speed on the first part is? The ...

Algebra
During the first part of a trip, a canoeist travels 57 miles at a certain speed. The canoeist travels 13 miles on the second trip at a speed 5 mph slower. The total time for the trip is 5 hrs. what was the speed on each part of the trip? The speed on the first part is? The ...

Algebra
-√3, 3√3 Write a quadratic equation in the variable X having the given numbers as solutions. Type in standard form ax^2 + bx +c =0

algebra
-5 and -2 write quad equation. __=0 Thanks

Math
The cost, C, of a manufacturing and selling x units of a product is C = 23x+73, and the corresponding revenue, R, is= x^2-35. Find the break-even value of x? A. 4 B. 31 C. 31 and 4 D. 27

principles of colors
To slightly gray paint has an intense blue value what color would you add to achieve the value you want A red b orange c yellow d green

Physics
A football is kicked at ground level with a speed of 20.7 m/s at an angle of 34.6° to the horizontal. How much later does it hit the ground?

Geometry
what is it

Geometry
x=2

Physics
A tortoise can run with a speed of 10.1 cm/s, and a hare can run 19.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 122 seconds. The tortoise wins by a shell (20.8 cm). How long does the race take? What is the length of the race?

psych
what are Similarities and Differences of Gangs and Organized Crime Groups

measurement
A tree in Melaine's yard is 35 feet tall. Melanie is 5 feet tall. The tree is how many times as tall as Helen?

Math
idk

8th grade math
One of your friends is heading north for the Christmas holiday and the other friend is heading south. If when they start, they are 1029 miles apart and one car is traveling at 53 miles per hour, and the other 45 miles per hour, how many hours before the two cars pass each other?

8th grade math
SUZIE HAD TO WRAP A TRUCK,A CAR, A BUS AND A TRAIN. IN HOW MANY ORDERS CAN SHE WRAP THESE PRESENTS?

MATH
SUZIE HAD TO WRAP A TRUCK,A CAR, A BUS AND A TRAIN. IN HOW MANY DIFFERENT ORDERS CAN SHE WRAP THESE PRESENTS?

algebra
-5k squared + 125=0 use the square root properly to slove the equation

math
write an equation for the linear function: The cost of renting a car is a flat$26, plus an additional 0.23 cents per mile that you drive. How far can you drive for $87?

psych
Give some background information on your hypothetical observational study - describe the setting that you would use for your observational study, why you are interested in this study and what you hope to learn. (2) Explain whether you would be an acknowledged or unacknowledged...

psych/statistics
Consider the following: The television network you addressed in Week 4 is asking you to compare the moods of groups that watch different types of shows. You can choose what they mean by moods. You may compare them on general mood, happiness, depression, frustration, or ...

English Grade 10
How can I improve my thesis for a comparative essay: Although both ¡°All is Calm¡± and ¡°The Bicycle¡± portray love and problems between family members, the protagonists in the stories experience drastically different journeys and ...

4th grade math
fabulous! Thank you for your help! and have a good evening. :-)

4th grade math
3. 946 - 80 = 4. 12 + 26 = am i right?

4th grade math
Hello, I am trying to help my son with his homework but i have no clue how to work these following: write a number expression for each phrase 1) 1,285 is how much more than 622 2) $402 increased by $86 3) 946 beads, then 80 fewer beads 4) 12 adults combined with 26 children ...

MATH
DAN,DEBBIE,ED AND GENE WERE TRAINING FOR CROSS-COUNTRY RACING. ED RAN TWICE AS FAR AS DEBBIE. GENE RAN 8KM LESS THAN ED. DEBBIE RAN 5KM MORE THAN DAN. DAN RAN 6KM.HOW FAR DID EACH PERSON RUN? (HINT START WITH DAN'S DISTANCE AND WORK BACKWARDS)

4th grade math
Please help solved the below problem. Explain in words how to add 352 + 958. Make sure to explain regrouping, if necessary? Thanks, Stella

chemistry
what mass of Ca is needed to completely react with 5.0M of .250ml Copper I Phosphate?

Basic Statistics
To standardize data for a z test, you first subtract the _____ from each term in a data set. a)Mean b)median c) Mode

math
a cylindrical container has a base radius of 14cm and height 18cm. How many litres,correct to the nearest litre, of liquid can it hold. Take 22/7

algebra
Solve the system of equations: what is the y-value in the solution? 3x - 5y = -16 and 2x + 5y = 31

biology
Are different species always fery different?

biology
You are gardening and accidentally puncture your arm with a nail that was in the soil. No significant occurred but your arm was swollen. Recall that soil contains many microorganisms that could be pathogenic. Describe in detail the nonspecific and specific mechanisms that ...

biology
What is the typical ratio for a dihybrid cross between two parents that are double heterozygotes?

math
Try to make a number sentence first, then put in the parentheses. Hope this helps!

Science
I need help answering with the below question please What are three ways resources are brought up from under Earth's Surface? Thanks!

chemistry
The solubility of an ionic compound is 30 grams of compound in 100 mililiters of water. If 60 grams of the compound is dissolved in 200 mL of water, the solution will saturated. t/f

physics
What would be the resulting acceleration if a 7.0 kg shot put was launched with a force of 140 N?

Physics
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal waves, called P waves, is ...

English
supporting details may refer to secondary points which may help to clarify choices are :points or all information of a paragraph, another name of main idea or the topic sentence? plz help me

ELA
Where is the complete subject in this sentence, "The goal of settlement houses is the improvements of neighborhoods"?

math
2x^4y^2+4x^3y^3+2x^2y^4

math
56x^3y^5-40x^2y^6+8x^2y^3

Algebra
solve by factoring: 2h^2-h-3=0

Math
Use a table of values of f(x) to estimate the value of the limit to four decimal places. lim_(x->-infinity)(sqrt(2 x^2 + 4 x + 1) - sqrt(2 x^2 + 2 x + 7)) 1

math
10.5 is 14% of x

English12
In the short story defender of the faith by philip roth,what is the theme of the story?Justify 150 words

English12
In the short story,defender of the faith by philip roth,What incident finally convinces Marx to punish Grossbart?

English12
In the short story defender of the faith by philip roth,Outline 3 occasions where Grossbart accuses Marx of being Prejudiced against his own people(jews)

English12
In the short story defender of the faith,by philip roth,Explain 3 occasions where Grossbart tries to "manipulate" Marx.Is he successful in his attempts?

English 12
In the short story defender of the faith by philip roth,Why does Marx refuse to support Grossbart when the Captain questions him about his eating habits?

English 12
I thought you help on homework.

English 12
In the short story defender of the faith by philip roth,Identify the criteria by which Captain Barrett judges a man's character.

English 12
I have read the story, but I do not understand it.

English 12
In the short story defender of the faith by philip roth,Grossbart insists on caling da sergeant 'sir'.Why doz Marx object?Is dis form of adress merely an oversight,or doz Grosbart hav sum ulterior motive?

accounting
47410

calculus
The region R is defined by 1(</=)x(</=)2 and 0(</=)y(</=)1/(x^3). Find the number 'b' such that the line y=b divides R into two parts of equal area.

management
What is employee self esteem?

management
The employee's performance objectives a. are designed by th employee only, b. ignore past work goals and objectives c. are designed by the supervisor only d.outline the employee's goals for the coming year.

finance
Each day's receipts can be kept separate by, a. preparing a deposit slip for each day's receipts, b.reconciling the bank statement, c. listing the ABA numbers,d. making daily bank withdrawals.

Math
Hello, I have trouble doing this problem: Sarah can bicycle a loop around the north part of Lake Washington in 2 hours and 40 minutes. If she could increase her average speed by 1km/hr, it would reduce her time around the loop by 6 minutes. How many kilometers long is the loop...

Math
Thank you!

Math
Assume it takes 180 quarter credits to get a baccalaureate degree. If 1 quarter credit counts for one classroom hour of lecture each week of the quarter and you study 2.5 hours for each hour in class,how many hours must you invest to get a degree? (You may assume each quarter ...

math
Hi, I am trying to solve a problem using Chebyshev's Theorem. The problem says that: A large sample of Northern Pike caught at Taltson Lake (Canada) showed that the average length was x (mean)=32.5 inches with sample standard deviation s=8.6 inches. a.) Compute the ...

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