# Posts by Alyssa

Total # Posts: 864

**chemistry**

sodium chloride has a molar mass of 58.4g/mole. how many grams of sodium chloride are needed to make 500.mL of a 0.0250 molar solution?

**math**

1.What is the 10th term of 1/2, 1, 3/2, 5/2 2. What is the 15th term of 0.3, 0.9, 0.15 3. What is the 80th term of 8, 13, 21, 29

**Chemistry**

Given that HSO4- is a stronger acid than HPO4^2-, what is the chemical reaction if solutions containing these ions are mixed together? (Hints: One of these must act as an acid and the other as a base. Use the Brønsted-Lowry definition) Please explain how to get the ...

**calc**

find an equation of the line tangent to the circle (x-1)^2+(y-1)^2=25 at the point (4,-3) Can please someone explain this to me and show all work very confused

**algebra**

Combine like radical terms -7\sqrt(6-5 ) \sqrt(54)

**Chemistry**

net ionic equation to show that sulfurous acid, H2SO3, behaves as an acid in water. I got this answer but do not know if it is correct. H2SO3 + H2O --- H3O + SO I am Not sure if its is tri/mono/diprotic

**story problem**

so would I do 25^2+135^2=x^2

**story problem**

Two wires stretch from a pole to two points on the ground which are 25 feet apart. The first wire is to the left of the pole and forms a 30° angle with the ground. The second wire is to the right of the pole and forms a 60° angle with the ground. How tall is the pole? ...

**Math**

This is to help the spacing x = Time (minutes) Number of Customers 0 ? x < 1………………………………….. 75 1 ? x < 2………………………………….. 58 2 ? x < 3…...

**Math **

To study the efficiency of its new price-scanning equipment, a local supermarket monitored the amount of time its customers had to wait in line. The frequency distribution in the following table summarizes the findings. Find the standard deviation of the amount of time spent ...

**Math**

write a rule to describe the translation of a point from (-3 3) to (-2 2) A)

**Calculus please help!**

The limit limh->0 ((sqrt1+h)-1)/h represents the derivative of some function f(x) at some number a. Find f and a. Please help!

**CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!**

Okay but seriously, I'm not a liar, These are the correct answers for the Unit Test in ELA Grade 7. 1. C 2. C 3. C 4. C 5. A 6. A 7. A 8. (Answer your own, you will get in trouble for plagiarism) 9. D 10. B 11. C 12. A 13. D 14. B 15. C 16. C 17. D 18. A 100% Trust me, ...

**Social studies **

The Macdonald-Cartier bridge that stretches the Ottawa River and connects Ontario to Quebec is named for two Canadian politicians, one ______ and one _______. A)English, German B)Inuktitut, French C)French, Cree D)English, French

**Spanish**

I have to answer negatively. ¿Podemos ir a la playa o nadar en la piscina? I answered.. No, no podemos ir a la playa ni nadar en la piscina. But it says there is a word missing between podemos and ir. I tried.. No, no podemos no ir a la playa ni nadar en la piscina. and...

**Health and Physical Education**

Hi! I can help! Are your choices: A.circulatory B.respiratory C.nervous D.excretory I can help you just respond back on this question and Reed and I can help! :-)

**Math**

Suppose a total of 3572 seats were sold for a performance.How many seats in the theater would be empty that evening. Explain how you found your answer

**Algebra**

Joe and Skyler can clean an entire building in 44 hours. Joe can clean the entire building by himself in 66 fewer hours than Skyler can. How long does it take Joe to clean the building by? himself?

**Socials**

Make up an epitaph for a young coal miner, detailing the cause of death and the circumstance. Were suck people heroes of the Industrial Revolution? Explain your opinion

**Math**

Which equation can be used to find the measure of an angle that is supplementary to POS

**Math**

So it would be 50

**Math**

I meant YZX

**Math**

lucky drew an isosceles triangle as shown if the measures of XYZ is 25 what is the measure of XYZ

**Math help FAST**

Does anyone have the answers?

**Math help FAST**

Does anyone have the answers?

**Social Studies**

Answers to the Quick Check for Connexus Students: 1. A 2. B 3. C 4. A 100% Hope this helps.

**Math**

The test that I need is math 7b unit 1: geometry

**Math**

Does anyone have the answers????

**Language arts**

Im assuming your on connections academy so literature.

**Language arts **

What is the name of the online textbook used in this course A) Language arts B) The big question C) Literature D) Write to learn

**AP ENGLish**

Many plays and novels use contrasting places (for example, two countries, two cities or towns, two houses, or the land and the sea) to represent opposed forces or ideas that are central to the meaning of the work. Explain this contrast within the play, "The Importance of ...

**Math**

The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard? Math - Henry, Monday, December 5...

**science connexus**

D C A B A C A A

**Math**

the mean of x and y is 12 and the mean of y and 12 is z/2. what is the mean of x and z?

**Algebra**

) An inlet pipe can fill an empty tank in 5 hours by itself, and an outlet pipe can drain the same tank when full in 7 hours by itself. If the tank is two-thirds full when the valves for both pipes are opened, how many minutes will it take to fill the tank?

**Calculus**

Find the derivative. y=e^8x/[e^(8x)+9] y' = The answer I have is 8e^8x/[(e^8x+9)^2] but it marked it incorrect..

**Calculus**

Use the function f and the given real number a to find (f^-1)'(a) f(x)=(x+9)/(x+3), x>-3, a=2 f(^-1)'(a)= ? Can someone please show me how to solve this problem?

**Calculus**

The answer is 1/11

**Calculus**

1/116 is not correct

**Calculus**

No it is x^3

**Calculus**

Use the function f and the given real number a to find (f^-1)'(a) f(x)=x^3+8x-3 a=6 (f^-1)'(6)= Thank you.

**Calculus**

The demand equation for a product is p=88,650/(396+3x) where p is the price (in dollars) and x is the number of units (in thousands). Find the average price p on the interval 40 <= x <= 50. (Round your answer to two decimal places.) Please show work because I know the ...

**Math**

7×3/2×2×2+24 is your answer. You just go backwards. For example, instead of 1/2 you would flip it and do times 2. Am I making sense or do you need me to explain more?

**Math**

Thanks

**Math**

It doesn't say in the question. So is it expecting us to know that a standard set has 28 dominoes?

**Math**

How do you know there are 28 dominoes?

**Math**

In a standard set of dominoes, a face of each domino has a line through the center, with 0 to 6 dots on each side of the line. Each possible combination of dots is used exactly once, one combination per domino. What is the probability that a randomly selected domino will have ...

**Maths**

3^36 + ? = perfect cube ? Has to equal 3^? Am I making sense? See if you can figure it out now (?^?^?)

**Government and politics**

Explain 2 enumerated powers of the president and 2 enumerated powers of congress

**Government and politics**

How does making laws to the people make it easjer? THe elastic clause

**Government and politics**

The executive legislative and judicial branches

**Government and politics**

In what way do other branches and the public influence the bureaucracy? I need 3 paragraphs

**Government**

I need a more specific answer

**Government**

How does the 3 branches of government influence the bureaucracy?

**chemistry**

A student conducts a reaction and measures a 19.9 g yield. The theoretical yield of the reaction under the conditions used is 31.4 grams. What percent yield did the student achieve?

**Math**

Well, I guess it'll do. Thanks for your help.

**Math**

Actually, on the sheet I have, it says 0.72%

**Math**

In a sponsored walk for charity, 560 students participated. Of these, 0.72% completed the 15-km walk. How many students completed the walk?

**Math**

Find the simple interest of $3800 at an annual rate of 3.5% for 3 years.

**math**

the number of trucks crossing the border fell from 3240 to 2673. What is the percent decrease?

**Algebra 1**

Whoops. the choices for number 4 was: A. 7.3x^2 + 0.8x + 0.7. B. 7.3x^2 - 0.8x + 1.3. C. 7.3x^2 + 0.8x + 1.3.*** D. 7.3x^2 + 0.8x - 1.3.

**Algebra 1**

Just checking my answers. What is the sum or difference? 1. 2x^4 - 8x^4 A. -6x^8 B. -6x^4*** C. -16x^4 D. -16x^8 What is the sum or difference 2. 10y^10 - 14y^10 A. -4y^20 B. -140y^20 C. -140y^10 D. -4y^10*** 3. Write the polynomial in standard form. Then name the polynomial ...

**Chemistry**

5.58g of Fe reacted with 3.0g of oxygen. How many moles of Fe were used?

**Math**

Which is the greater amount of money, 120% of 0.3% of $1000 or 120.3% of $1000?

**Math**

What unknown number makes these equation true. 447+99 =447+100-

**Math**

What unknown number makes these equations true 353-203 = 353-200-

**Aglebra, math**

Hi I really need help with this question and I don't know a thing about algebra!!! If anyone can help me understand this that would mean a lot! So here's my question. Brad says that the literal equation a = 3b + 4c - a is solved for a. Do you agree? Why or why not?

**Math**

put brackets into these statements to make them true: a) 20 - 2 + 2 * 2^2 + 6 = 26 b) 20 - 2 + 2 * 2^2 + 6 = 120

**Science**

We call zone of saturation the level to which the water fills all the interstices, or the pores, with the ground and all cracks minusclus of the rock/this fresh water supply exists in all the grounds. Why?

**Science**

what geographical features create natural boundaries for water to flow toward one ocean or another?

**Algebra**

I need help, it's a crossword puzzle. 10 letters, the last letter is T the 3rd letter is E. The question is: You can think of an opposite sign as ____ or -1 PLEASE HELP

**Physics**

A motorboat whose speed in still water is 2.91 m/s must aim upstream at an angle of 30.0 degrees (with respect to a line perpendicular to the shore) in order to travel directly across the stream. - What is the speed of the current? - What is the resultant speed of the boat ...

**Math Help!**

Nope is completely wrong. Here are the REAL. answers to the Unit 4: Lesson 12 Unit Test. 1. D 2. B 3. B 4. A 5. A 6. C 7. B 8. D 9. A 10. D 11. C 12. A 13. D 14. D 15. C 16. C 17. B 18. D There's also 4 short answers, do those on your own.

**Science**

If the earth exerts a 500 N gravitational force on an object in near space, how much force does this object exert on the earth, and by what law can this be asserted?

**Physics**

How would you change the following Galilean transformation equations in the case where a frame was moving both in the x and the y direction? (Use the following as necessary: x, y, z, Vx, Vy, t.) x' = y' = z' = t' =

**Physics**

Estimate the increase in rest energy of a copper sample [100 kg, c = 387 J/(kg · °C)] if its temperature is increased 100°C. -answer needs to be in kg please.

**social studies**

Summarize the ways which minnesotans contribute to WW2

**Math**

A rectangle has a width of 5 meters and length of 14 meters. If a similar rectangle has a width of 15 meters, what's its perimeter, in meters?

**Math**

If your taking the Unit 5: Lesson 10 test the answer to number 3 should be B. The reporter went to a baseball game asking people their favorite sport, obviously peoples answers are going to be baseball, they are at a baseball game. Sorry if I'm late.

**Algebra**

3/8x + 180=3.5g

**math**

Range:9 Median:5 Mode:5

**Art**

Thanks William :)

**Math**

y=10

**Math (help)**

yo play bedwars w me lmao my igns leasure

**english**

If you are going to use CaptianSwan<3's response for the quiz, at least re-word it. Put it into you're own words. You DO NOT want to get in trouble for plagiarism.

**Math**

Find the missing number that completes the table of values what's the Function Objective a function table Example:y= X+2

**Physics**

A boy sliding down a frictionless plane inclined at an angles 35° with the horizontal. What is the acceleration of the book?

**Math**

someone is correct. :-) 1. C 2. C 3. D

**Physics**

In Europe, the standard voltage is 230 V (rms), AC, and 50 cycles/s. Suppose you take your 5.00 W electric razor to Rome and plug it into the receptacle (with an adapter to fit the receptacle but not to change the voltage). (The standard voltage in the United States is 120 V (...

**English**

SUMMARIZE WHAT YOU HAVE WRITTEN AND TELL PEOPLE WHAT YOU WANT THEM TO REMEMBER IN YOUR WRITING.

**MATH**

Of course! Happy to help! If any of you have more questions, let me know and I'll do my best to help get you 100%

**MATH**

Answer help for Connexus Students: 1. B 2. B 3. B 4. A 5. C Hope this helps. 100%

**Language Arts**

Stop lying about the answers. I got a 8/17 but went through to get the actual answers. 1. D 2. B 3. A 4. A 5. B 6. B 7. C 8. B 9. B 10. A 11. D 12. B 13. A 14. Answer yourself. 15. D 16. C 17. D 18. B 100% for Connexus Students.

**Math**

3 and seventh/eights on a ruler.

**Math**

On the ruler below, identify the location of 3 7/8

**Math**

On the ruler below, identify the location of 7 3 -- 8

**Organic Chemistry**

We used sodium dichromate in sulfuric acid to oxidize borneol to camphor. Suppose you needed to prepare benzaldehyde from benzyl alcohol. Would the sodium dichromate be the best choice for this oxidation or are there better choices? Explain.

**Science**

A 20 kg mass slides down an inclined plane which is at an angle of 60 degrees to the horizontal 1. Horizontal component of weight force 2. Vertical component of weight force 3. Angle 4. Normal force 5. Net fx 6. Acceleration along incline I really do not get how to do this, I ...

**Physics**

THANK YOU Scott!! You made my day.

**Physics**

A synchrotron radiation facility consists of a circular ring that has a 48.0 m radius and creates an electron beam with a current of 497 mA when the electrons have a speed approximately equal to the speed of light. How many electrons pass a given point in the accelerator per ...