# Posts by sally

Total # Posts: 1,304

**social studies**

thank you ms.sue

**social studies**

thank you those really helped me, 1. B 2. A Are those correct

**social studies**

what negative impact did gold and silver mining have in the west? A. Tent cities near the mines fostered criminals as long-term residents B. ghost towns were left behind after the mines stopped producing. C. mining camps were sources of many contagious diseases *** D. mass ...

**physics**

How much work in eV is required to bring three charges of 5.4x10-19C from a great distance apart to 3.76x10-8m from one another (at the corners of an equilateral triangle)?

**physics**

How much work in eV is required to bring three charges of 6.8x10-18C from a great distance apart to 5.04x10-9m from one another (at the corners of an equilateral triangle)?

**Geometry **

The captain of a boat is planning to travel to three islands in a triangular pattern where one side of the side island is 75 miles and the other side is 32 miles. What is the possible range for the number of miles round trip the boat will travel? Answer: between 150 and 214 ...

**Math**

The minute hand of a clock is 6 cm long. How far does the end of the hand the hand of the hand travel in 35 minutes

**statistics**

In a game of dice, the probability of rolling a 12 is 1/36. The probability of rolling a 9, 10, or 11 is 9/36. The probability of rolling any other number is 26/36. If the player rolls a 12, the player wins $5. If the player rolls a 9, 10, or 11, the player wins $1. Otherwise...

**Chemistry**

At standard temperature and pressure (0?C and 1.00atm), 1.00mol of an ideal gas occupies a volume of 22.4L. What volume would the same amount of gas occupy at the same pressure and 30?C?

**Math**

What are the common and least common multiples of 8&12, 3&5, 7&11, 9&10, 24&36, 20&25, 42&14, 30&12?

**Math**

What are the least common multiples of 8 and 12?

**Math**

The expression 3 x n can be written 3n. Use n= 1,2,3 ..., 10 to evaluate the expression. Describe the set of ten numbers. Suppose the sequence continues ror values of n greater than 10. Do the numbers 12, 21, 30 or 210 appeae in the sequence?

**Geography**

In southwest asia most people live?

**social studies**

What role did yellow journalists play in the Spanish American War?

**Language Arts**

Oh I understand now. Thank You!

**Language Arts **

All of the following sentences are complex EXCEPT A) Even though acid rain can have damaging effects, few people know much about it. B) Acid rain has been studied as an environmental issue by the government since the 1970s. C) Since they erode statues and corrode steel ...

**Language Arts**

Yes! Thank you!

**Language Arts**

Which sentence uses a participial phrase? A) The fence, which was broken and dirty, looked terrible. B) Shutting out their opponent, the other team celebrated in victory. C) Swimming in the pool all day is my favorite way to spend the summer. D) I am pretty tired and not ...

**Geometry**

plz help me ASAP... PLZ PLZ PLZ

**Geometry**

M is the midpoint of AB and N is the midpoint of AC, and T is the intersection of BN and CM. If BN is perpendicular to AC, BN = 12, and AC = 14, then find CT. Diagram is at: goo.gl/j3cBCE

**Social grade 7**

The Europeans, in order to be successful living in North America, relied heavily on First Nation people. This is best shown by the ...... A. Assistance Europeans received incurring scurvy B. Development of many skills to survive life in the Canadian wilderness C. Assistance in...

**Social grade 7**

The Irish Potato Famine, unemployment, poverty, and the lack of farmland were some of the reasons why people immigrated to British North America. Thesee reasons are: A. Pull gators of immigration B. Push factors of immigration. C. All in a days work. D. The terms of the Treaty...

**math**

Find the slope of the line through (-9,-10) and (-2,-5) A. -5/7*** B. 7/5 C. 5/7 D. -7/5

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

connects changed the answers you idiots. lol. just do it yourself as i am, now.

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

6/18

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

i hate u so much Kiersten u made me get a 6/17 u fool

**Math**

please

**Math **

Surface area of a square pyramid 11in 13in and 9in 11 height 13 slant height 9 base edge I keep getting the wrong answer its not 328.62 or 294.93 Square area of a cone 15 slant height 12 height 6 base

**Math**

Ohh lol! Thanks Ms.Sue!

**Math**

No.

**Math**

Oops sorry I added that all up wrong it's 10121.49.. I have to round that by two decimals but I don't think it can be rounded?

**Math**

I'm not sure what you are asking me...sorry I suck at math Ms.Sue

**Math **

Sorry for posting twice I have to round 7276.74 by two decimal places but I keep getting it wrong...

**Basic Math**

Surface area of a square pyramid 11in 13in and 9in 11 height 13 side? 9 base edge I keep getting the wrong answer its not 328.62 or 294.93 Square area of a cone 15 side? 12 height 6 base It's not 365.99 or 417.62 I don't need anything rounded...help please!

**Math**

LUNA IS CORRECT

**LAnguage arts**

It's A haha

**Science**

THANKS SMASHLEY

**Math**

Where did u get 20 from?

**Math**

650(1+.07/4)^68-1 Answer= 83698.54?

**Math **

James has set up an ordinary annuity to save for his retirement in 17 years. If his quarterly payments are $650 and the annuity has an annual interest rate of 7%, what will be the value of the annuity when he retires? 650(1+.07/4)^17-1 =.3430281149 .3430281149/(.07/4) =19....

**Math**

Oops, I entered it wrong. I would take 250[1+.075/2)^3-1 the answer would be 14986.93?

**Math**

Oh, okay So, I would take 250[1+.075/2)^36-1 =.9517958171 .951795171(.07/4) =50.76244358 650(50.76244358) =32995.56 and this would be the answer?

**Math**

250[(1+.075/2)^16-1] =.8022278066/(.075/2) =21.39274151 250(21.39274151) =5348.18 So, would 5348.18 by the answer?

**Math **

Andy has set up an ordinary annuity to save for his retirement in 16 years. If his semi-annual payments are $250 and the annuity has an annual interest rate of 7.5%, what will be the value of the annuity when he retires? How do I solve this equation? What steps do I take to ...

**math**

When sixty-five and fourteen hundredths is subtracted from eighty and forty-eight hundredths, what is the difference?

**American Government**

Question 7 is separation of powers and checks and balances.

**American Government**

its d

**alegbra**

Thank you!

**alegbra**

what are the next three terms in the sequence? 5,-9,19,-37,75, ___, ____, ____

**Algebra**

what are the first three terms of the sequence represented by the expression n(n-1)-4? n=1

**algebra**

Given the function rule f(x)=x^2-5x+1, what is the output of f(-3)

**Evaluating algebraic expressions**

Hi

**trig**

Reiny 2+1/3*tan(theta)=2 How do you get 0? Thanks for your help.

**Trig**

2+1/3tan(theta)=2 I know that tan=0 0,180 But i don't know how to figure it out. Please help.

**Trig**

4=5+cos(theta)

**Trig**

Thank you Steve for all your help.

**Trig**

Solve equation for 0 less than or equal to theta less than 360. 3-1/5*tan(theta)=16/5

**social studies**

Is it A?

**Math (6th grade)**

How do I find the answer to 234 divided by 89 + 53 x 72

**precalculus**

show the correct notation for “The limit of x^2 - 1 as x approaches 3.

**precalculus**

Show an example where For n odd, the sign of the y-ters differ: (+) for the first expansion, (-) for the second. (For n even, the signs are the same.)

**precalculus**

Can you give an example as to how The expansion of (x + y)n and (x - y)n are different?

**precalculus**

How is the expansion of (x + y)n different to the expansion of (x - y)n ?

**precalculus**

How do you form the the rows of Pascal’s triangle?

**precalculus**

can you check my answer? Find the coefficient of the term a6b3 in the binomial expansion of the expression (a - 4b)9. ________________________________________ 5,376 344,064 -5,376 -344,064 answer: b

**precalculus**

Can you check my answers? 1.Find the 5th term in the expansion of the binomial. (2x - 4)8 -458,752x3 286,720x4 458,752x3 35,840x4 answer: d 2.Find the 3rd term in the expansion of the binomial. (x - 2y)12 264x10y2 1760x9y3 -264x10y2 -1760x9y3 answer:a

**precalculus**

Can you check my answers? 1.Use the Binomial Theorem to expand and simplify the expression. (2 - 3x)3 -27x3 + 104x2 - 36x + 8 -27x3 + 54x2 - 36x + 8 -27x3 + 8 -27x3 + 54x2 - 18x + 8 answer:b 2.Find the 5th term in the expansion of the binomial. (2x - 4)8 -458,752x3 286,720x4 ...

**precalculus**

can you check my answers? 1.Find the binomial coefficient. 12C3 1320 17740800 48 220 answer:d 2.Find the binomial coefficient. (10/7) 720 120 240 172800 answer:b 3.Which of the following is equivalent to 10C6? 6C10 16C10 10C4 10C10 answer:c

**precalculus**

How would you describe a proof by mathematical induction?

**precalculus**

Is my answer correct? Which of the following shows the correct first step to prove the following by mathematical induction? 3 + 11 + 19 + 27 + … + (8n - 5) = n(4n - 1) ________________________________________ 3 + 11 + 19 + 27 + … + (8 • 1 - 5) = 1(4 • 1 - 1...

**precalculus**

Is my answer correct? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) ________________________________________ 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19...

**precalculus**

Is my answer correct, I am confused by this question? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. 1 2 3 5 answer: 2

**precalculus**

can you check my answer? 2.Which of the following shows the best next step to prove the following by mathematical induction? n!>2^n, n?4 1. When n=1 the formula is valid because 4!>2^4 24>16 2.Assuming that k!>2^k show that (k+1)!>2^k+1 (k+1)!=k!(k+1) a.k!(k+1)&...

**precalculus**

Can you check my answers? 1.Which of the following shows the best next step to prove the following by mathematical induction? 3^n>n*2^n, n?1 1.When n=1, the formula is valid because 3^1 1*2^1 3>2 2.Assuming that 3^k>k*2^k a.3^k+1>k+1*2^k+1 b.3^k+1>k*2^k+1 c.4^k&...

**precalculus**

Can you check my answer? Which of the following shows the best next step to prove the following by mathematical induction? 1+4+7+10 + + (3n-2)=n/2(3n-1) 1.When n=1, the formula is valid because (3*1-2)=1/2(3*1-1) (3-2)=1/2(3-1) 1=1/2(2) 1=1 A. You must show that 1+4+7+10...

**precalculus**

Can you check my answers? 1.Which of the following shows the best next step to prove the following by mathematical induction? 3^n>n*2^n, n?1 1.When n=1, the formula is valid because 3^1 1*2^1 3>2 2.Assuming that 3^k>k*2^k a.3^k+1>k+1*2^k+1 b.3^k+1>k*2^k+1 c.4^k&...

**precalculus**

Are my answers correct if not which are right? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. 1 2 3 5 answer:a Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not. -1, -3, -1, 5, 15 ...

**precalculus**

Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k - 1) + 1] + (6k7 +1) + (6k + 2) answer:D What is ...

**precalculus**

For question 1 Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) there isnt an option for the answer Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) + (6k + 7) so I am confused as to which is the correct answer. for question 3 Which of the following shows the ...

**precalculus**

Find a quadratic model for the sequence. -4, -4, -3, -1, 2

**precalculus**

find Pk + 1 if Pk=2K-1/k!

**precalculus**

Find a quadratic model for the sequence with the indicated terms. 3, 3, 5, 9, 15, 23, ...

**precalculus**

Prove the inequality for the indicated integer values of n. n! > 2n, n ? 4

**precalculus**

Find Pk + 1 for the given Pk. Pk = 1 + 6 + 11 + … + [5(k - 1) - 4] + (5k - 4)

**American Government**

1. B 2. D 3. A i just got 100%

**Problem solving**

Place a counter over the children. Draw the counter. Dont not what im suppose to do though.

**Science PLEASE PLEASE HELP**

thank you

**Science PLEASE PLEASE HELP**

A then?

**Science PLEASE PLEASE HELP**

Will someone please help? i'm being very impatient, i know! but i really need this to be turned in!!!

**Science PLEASE PLEASE HELP**

Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature Saltwater does not freeze at any temperature Saltwaters freezing point depends on the temperature of the ocean floor***** PLEASE HELP ME

**Probability & Stats**

The probability that Pete will catch fish on a particular day when he goes fishing is 0.8. Pete is going fishing 3 days next week. 1. The probability that Pete will catch fish on exactly one day is: a. .008 b. .096 c. .104 d. .8 Please show work

**social study's**

B) the gradual end of the nomadic lifestyle

**LANGUAGE ARTS**

yeah they change up some of the andwers but anonymous will give you the general idea

**Math PLEASE HELP!**

Thanks!!!!

**Math PLEASE HELP!**

The choices are -16 30 -240 224 Please help!

**Math PLEASE HELP!**

4^2-(2•2^4) i got -16 if i'm wrong please explain. i also got -240 doing it a different way, PLEASE help!

**Math**

Two tens is 10+10 and two ones is 1+1 so it's 22

**Algebra 2**

Describe the graph of y=1/2x-10 -3 compared to the graph of y=1/x

**Algebra2**

Does the relation in the table represent direct variation inverse variation or neither? If it is a direct or inverse variation, write an equation to represent the relation. (x,y) (5,2) (10,1) (15,2/3) (20,1/2)

**Math**

rosey is wrong...........