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Posts by ruby

Total # Posts: 251

Pre-Algebra
I have no clue how to solve these, could someone help me? For questions 6-8, multiple the following polynomials. 7. 4a(a^2+7a+4) A. 4a+28a^2+16a B. 4a^3+28a^2+16a C. 4a^3+44a D. 44a^4 8. (2y-3)(3y-2) A. 6y^2-13y+6 B. 6y^2-13y-6 C. 6y^2+13y-6 D. 6y^2+13y+6

Math
Laura is moving up to the attic and wants to paint a wall white. The wall is a triangle with a base of 7.5 feet and a height of 12.25 feet. What is the area of the wall? Please help me!!

CIS
????-Best guess

CIS
125Gb 5

CIS
Assume you have a computer that contains 1 GB of memory. It contains 4 memory slots. Each slot can contain on of the following memory modules: 128 MB, 246 MB, 512 MB, 1GB or 2 GB. Two of the slots are currently used, each contain a 512 MB memory module. Using this scenario, ...

Math
The mass of a 10p coin is 6.5g.What is the mass in kilograms of £20 in 10ps?

Math
Hi guys! I am desperately in need of help. I really need to do good on this test but I am uncertain if I am doing this portion correctly. Can someone check my work? 11. Which inequality matches the graph? (The dot on the graph is at 1 and the arrow is pointing that way <...

maths(PLEASE HELP!)
The mass of a 10p coin is 6.5g.What is the mass in kilograms of £20 in 10ps?

Algebra
Biologists tagged 180 fish in a lake on January 1. On February? 1, they returned and collected a random sample of 45 ?fish, 15 of which had been previously tagged. On the basis of this? experiment, approximately how many fish does the lake? have?

Algebra
A private plane traveled from Seattle to a rugged? wilderness, at an average speed of 220 mph. On the return? trip, the average speed was 264mph. If the total traveling time was 5 hours, how far is Seattle from the? wilderness?

Algebra
On the first part of a trip to Carmel traveling on the? freeway, Marge averaged 70 mph. On the rest of the? trip, which was 25 mi longer than the first? part, she averaged 60mph. Find the total distance to Carmel if the second part of the trip took 30 minutes more than the ...

Algebra
A private plane traveled from Seattle to a rugged? wilderness, at an average speed of 220 mph. On the return? trip, the average speed was 264mph. If the total traveling time was 5 hours, how far is Seattle from the? wilderness?

Math
5 1/4 + 2 9/16

Math
Thank you so much Ms. Sue

Math
What makes the statement true? 7^-2=? A- 49 B- 1/49*** C- 14 D- 1/14 Am I correct?

Social Studies
Sanasule Kaneki Kirishiki 100% correct thanks!

Math
Please help me I don't understand what to do for this, as I haven't learned what to do if I need to find the average of something in Scientific Notation. I tried doing it using division, but I got 0.62 x 10^2, which isn't one of the choices. Could someone please ...

Pre- Algebra
It was C thanks

Pre- Algebra
Please answer as soon as you can I need help figuring this out :) Which number is greater than 5.5 x 10^-7 and less than 5.5 x 10^7? A. 1.8 x 10^-12 B. 6.7 x 10^8 C. 5.2 x 10^3*** D. 3.9 x 10^-3 If you know what the answer is can you, if at all possible, explain how you got ...

English (ELA)
Thanks Ms Sue, 1 was D and 2 was A

English (ELA)
Hi! I really need to do well on this quiz, can someone check my answers? 1. What can you infer from this sentence near the stat of "The Story-Teller" Most of the Aunts remarks began with "Don't" and nearly all of the children's remarks began with &...

English grammar
How do I correctly punctuate this sentence? Carol couldn't start the car after leaving the football game fortunately however Roger came along and spotted the trouble quickly. I think the answer is: Carol couldn't start the car after the football game. Fortunately, ...

Science
The potential energy of a projectile at its maximum height is equal to its kinetic energy there . If the velocity of projection is 20m/s its time of flight is ?

algebra 1
1. MULTI-STEP PROBLEM There are 5743 known amphibian species in the world. Of these, 1856 species are judged to be at risk of extinction, and another 113 species may already be extinct. a. Find the probability that an amphibian species chosen at random is at risk of ...

Math
Obtuve

maths
The management committee of Oxford school has indicated its desire to accept only 40% of all continuing undergraduate based on the results of the end of second semester examinations.the mean score of the examination is 500 and a standard deviation of 100.find the cut off score...

maths(Please help me out)
A survey of mobile call interconnectivity indicates that the average time it takes to connect calls from one network to the other is 25 seconds.Assume the variable is approximately normally distributed and the standard deviation is 4.5 seconds.if 80 calls are randomly selected...

math(pls help me)
1.The management committee of Zenith has indicated its desire to accept only 40% of all continuing undergraduate based on the results of the end-of-second semester examinations.the mean score of the examination is 500 and standard deviation of 100.Find the cut off score for ...

English
how can we compare and contrast explanation of "How Beaver Stole Fire" and "stealing Fire from Zeus".

Maths
Assuming the earth to be a sphere of radius 6370 km.If seventy five percent of the earth's surface is covered by water, then find how many square kilometres is area of the land.

Math: Algebra
By what percent will a fraction increase if its numerator is decreased by 10% and its denominator is decreased by 50%?

English
I have a few questions that I'm stuck on. 1. Identify how the pronoun is used in the sentence. Just today Terry bought a picture for her. direct object indirect object object of a preposition*** (I think this is the answer because of the preposition for her, Terry is the ...

math (check answers)
just realized i put my name in the subject and the subject in my name, oops!

analytical physics chemestry lab
You are provided with a 0.5M solution of NaCl. You require a working solution of 0.004M. Describe how you would prepare this working solution, including all steps and calculations. Hint: You want to use the least amount of reagents and consumables, serial dilutions.

ALGEBRA
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 66 people took the trip. She was able to purchase coach tickets for ​$150150 and first class tickets for ​$11601160. She used her ...

English
Did you ever get the answer?

English
Haha flvs? Right. Me too.. I'm taking this quiz right now

Math
Thank You

Math
For f(x) = 0.01(2)^x, find the average rate of change from x = 2 to x = 10. A.1.275 B.8 C.10.2 D.10.24

Physical science
Which type of graph best shows data that are parts of a whole?

algebra
tommy is playing with a kite, and it flies 80 feet high with 100 feet of string released. what is the horizontal distance from tommy to the kite?

English
Probably

Math- Mixed Numbers
Alright so is the way I explained it correct?

Math- Mixed Numbers
1. White 17/4 as a mixed number. Hi, could someone please explain how to do this? Correct me if I’m wrong but do I try to multiply 4 x how many times I can before it goes to 17 and the number I get is the whole number and the newmerator is the numbers left? Explain!!

Applying Rational Number Operations
I’m in 7th grade too =)

chemistry
The rate constant of a reaction is 6.2 x 10^-3s-1 at 25 degrees C, and the activation energy is 33.6 KJ/mol.. What is k at 75 degrees C? Enter your answer in scientific notation.

math
a square carpet covers an area of 64 ft ^2. what is the length of each side of the carpet?

math
You are skier A, the first skier in a skiing event with three other skiers. Compared to your time, skier B is slower, by a time of +00:28. Skier C has a time of +02:13, and skier D has a time of -01:24. Who is the fastest skier

math
You are skier A, the first skier in a skiing event with three other skiers. Compared to your time, skier B is slower, by a time of +00:28. Skier C has a time of +02:13, and skier D has a time of -01:24. Who is the fastest skier.

Math
What is the square root of 23 subtracted from square root of 37 divided by square root of 23 added to square root of 37??

payroll acct
Mary makes $12.50 per hr she worked 44.5 hrs so i did 40 times 12.50 then 4.5 times $18.75 the added the totals But her cum. wages was $27,675.13 i need to know the taxable wages for OSADI and MEDICARE what is the amt being taken out for OASDI and MEDICARE

algebra
is this correct?: -4^4= -256 (-5)^2= 25 (-3)^5= -243 ( I don't get the meaning of the parantheses) thank you!

Math
Remove the xy-term by rotation of axes, reduce the resulting equation to standard form and trace the curve on the new axes: 16x^2-24xy+9y^2-60x-80y+100=0

Math
Center at (2,-5), conjugate axis parallel to the y-axis, slopes at asymptotes numerically one-sixteenth times the length of the latus rectum, and distance between foci is 2sqrt145.

History
C.

Science
Anyone in Connections Academy in 8th grade looking for this answer, it is located on Key Concepts 2 in Unit 4 Lesson 1 Science course! Good luck, I am on the same thing.

physics
two ectors act on the same pont. what should the angle between them be so that a maximum resultant is obtained a. o degree b. 90 degree c. 180 degree d. cannot tell answer : a. 0 degree

algebric exponents
(3^x + 3^x + 1) divided by 8 answwer (3^2x + 1) divided by 8

algebra
3a + 9 = 29 3a = 29-9 3a = 20 a = 20/3 a = 6.6 round off to 7

english
c, a, d, b, f, e

physics
a horizontal force of 3 N is excerted on an object while a vertical force of 4 N is excerted at the same time. calculate the resultant force on the object? 3 square + 4 square = 25 so the resultant force will be 25 N

physics
vector diagram...?

physics
two girls exeret a force of 30 N and 10 N on a bag in same direction. a dog tugs at bag and drag it in oppsite direction with the force of 5 N. calculate the new force exerted on bag and draw a vector diagram. F= 10+30 = 40 N dog applied force in opposite direction with 5 N ...

Math
8b + 23 = -4.2

english
It's direct indirect objacts stuff can someone help me

Pre-Algebra
What is 1/8 - 3/5? 1/8 - 3/5 = 5/40 - 24/40 = 19/40

Algebra
1. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 2. In the sequence 2, 6, 10, … , what term has a value of 106? 3. Solve for the 101st term of the sequence: 6-p, 4+p, 2+3p, 5p, … .

Algebra
1. Why cant you use the formula of the infinite geometric series on 1/81 + 1/27 + 1/9 + 1/3 + ..... 2. Using concepts of infinite geometric series, show that 0.9999 ..... = 1.

Algebra
My answer are all true except for number 4 which is false. Am I right?

Algebra
True or False 1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence. 2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term. 3. In an arithmetic sequence, the common difference is computed by subtracting the ...

Algebra
Given ________, – 243, – 226, – 209, – 192, – 175, … a. What is the 67th term of the sequence b. What is the series of the first 27 terms of the sequence

physics
a block of mass 0,5kg is attached to a spring .The spring is compressed to a distance of0,1m.The block is released .The block moves 0,07m past the equilibrium position .What is the force of friction that does work on the block. spring constant is 500

physics
a block of mass 0,5kg is attached to a spring.The spring is compressed to a distance of 0,1m .The block is released .The block moves 0.07m past the eequilibrium position .What is the force of friction that does work on the block? spring const is 500. F -kx -500 x .07

math
Its 2€g longer£ brcasuse £¥ its equvrnt

Math
17*23.125=393.125

Math
If Logan's family can drive 23.125 miles on 1 gallon of gas, how far can they drive on 17 gallons?

MATH
Five friends went to a baseball game. Three of the friends each bought a ticket for x dollars and a soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money spent

Physics
A submarine is at a depth of 15.0 m under the ocean surface. The inside of the submarine is kept at atmospheric pressure. What is the net force being exerted on a circular window of the submarine that has a radius of 25 cm? The density of the ocean water is 1030 kg/m3. I know ...

Geometry
2 and 3

math 5th grade
59.425

math
20 x .80 = 16 problems correctly answered

accounting
a. a zero balance explanation: income statement accounts (revenues and expenses) are temporary accounts and therefore once these accounts are closed, the balance are zero.

math
36

Manufacturing process
Product that using manufacturing process and its process.

dynamics
Mass of 2.3 kg and 4.5 kg is connected with the cord as shown. The coefficient of kinetic friction between box and floor is 0.35. Determine: a)The tension in the cord b)The acceleration of the blocks c)If the block start slides with 2.3 m/s, d)How far does a blocks move in 4 ...

chem plz help :(
I believe the answer would be 7.4 cubic meters

math
Assume you do not know the population standard deviation. describe how you form a 90% confidence interval to estimate the population mean age for students at Westwood College Online.

physics
1. A piece of rectangular block weighing 5 kg is pressed on a vertical wall by a horizontal force applied to the block. If the coefficient of friction between the block and the wall is 2.0, what force is necessary to keep the block in place? 2. If the force in Prob. 1 is ...

INTRODUCTION TO CATERING
I think it's A.) less than $5,000

Chemistry
Suppose u place a beaker containing a solution in the refrigerator. An hour later, white solid found at thr bottom of beaker, wat hapoened? Why?

Chemistry
pH pH ( strip c : 8 ) dark green pH ( strip d : 3 ) purple - suppose u mix togather equal amounts of the solutions that produced the results of strip c and d , then test the pH of this new solution. What color will the indicator paper be? Explain .

math
1. Which of the following expressions is written in scientific notation? 1. 73.4 x 105 2. 0.09 × 107 3. 80 x 103 4. 4.22 x 10–3 2. Which of the following is 0.0000000708 written in scientific notation? 1. 7.08 x 10–8 2. 7.8 x 10–8 3. 708 x 10–10 4. 70...

Engl
Is It B?

Engl
2. Read the following paragraph from “A Tremendous Trade”: It might not seem fair, but in every profession, workers earn whatever people are willing to pay them. Baseball is no exception. Teams compete to offer as much money as they can to players who are among the ...

Math help
Describe 2 polygons by the number of vertices and sides each has

7th grade math Ms. Sue please
Ethan's bae and I have no friends IS NOT correct! Don't believe him! I was taking the test and changed 5 of my answers because I came on here to check them, and thought they were right not mine. I got 5/10 and now have a C+ in the class when I had a B. Here are the ...

science
Why do humans use running shoes, winter boots, snowshoes, skis and flippers? Why are these not biological adaptations? Use animals as examples.

college calc
Approximate the square root of 64.3, y=x^(1/2). Starting point is the square root of 64.

Math
2,336.8

Research
300-word summary of your business research process by describing the business research proposal from your experience in the workplace or in an article you find through the University Library

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