# dam

Newest questions and responses by dam
1. ## MATH

Let Q = {1.7, 1.1, 1.4, 2.1, 2.3, s}. What is the absolute difference between the greatest and least possible values of the median of set Q? Express your answer as a decimal to the nearest hundredth.

2. ## MATH

An annulus is a ring bounded by two concentric circles. In annulus A has an inner circle of radius 2 cm and an outer circle of radius 6 cm. Annulus B has an outer circle of radius 9 cm. If annulus B has an area equal to that of annulus A, what is the

3. ## MATH

Scott repeatedly rolls a pair of standard six-sided dice and keeps track of the sum of the two numbers rolled each time. So far he has not rolled any sum twice. What is the maximum possible number of times he has thrown the dice?

4. ## MATH

A square pen that is surrounded by a fence is divided into two rectangular regions by adding a new fence that connects the midpoints of two opposite sides. By what percent has the total length of fencing been increased?

5. ## MATH

If a is a non-zero digit in the numbers 1a2a and a31, what is the value of a when 1a2a + a31 = 2659?

6. ## MATH

f (x) = x^2 + d and g (x) = 2x^2, where d is a constant. If f (g (2))/f (2) = 4, what is the value of d?

7. ## MATH

Madison leaves her house and bikes north at a constant speed of 10 miles per hour. If her dad leaves the same house two hours later, driving north at a constant speed of 15 miles per hour, how long will it take him, in hours, to reach Madison?

8. ## Math

The 7-digit numbers 74A52B1 and 326AB4C are each multiples of 3. Which of the following could be the value of C ? A) 1 B) 2 c) 3 D) 5 E) 8

9. ## Math

The 7-digit numbers 74A52B1 and 326AB4C are each multiples of 3. Which of the following could be the value of C ?

10. ## Math

The sum of two prime numbers is 85. What is the product of these two prime numbers?

11. ## Math

The equation 24x^2+25x-47/ax-2= −8x−3− 53/ax-2 is true for all values of x ≠ 2/a, where a is constant. What is the value of a ?

12. ## Math

cheryl used 1 inch thick wood to build a planter for some flowers. the planter has 4 sides and a bottom but no top. the outside dimensions are 3 feet long, 6/12 inches wide, and 6/12 inches high. cheryl wants to know how much space the planter takes up.

13. ## Math

Write two times, in digital notation, when the clockwise angle between the hands is: a less than one right angle b less than two right angles c greater than three right angles

14. ## Math

Write two times,in digital notation, when clockwise angle between the hands is: a. Less than one right angle : b. Less than two right angles : c. Greater than 3 right angles:

15. ## help me damon reiny steve bob plzz

prove that nsini=constant plz show me solution

16. ## mathematics need help me

evaluate the limit of [1/(n+1)+1/(n+2)+....+1/(n+n) as n tends to infinity plzzzzzzzzzzzzz show me solution

17. ## calculus

plz help show me steps solution evaluate the integral §dx/[(x+1)root(1-x^2)]

18. ## maths need help log

if loxbase 2=k^2+2k what is the value of logx^3 base64

19. ## miss reiny correct-done

find the nth term of the series 1,3,6,11,19,31,48.... Hence duduce a formula for calculating the sum of the series plz help me show working

20. ## arithemetic progression too hard help plz

find the nth term of the series 1,3,6,11,31,48.... Hence duduce a formula for calculating the sum of the series plz help me show working

21. ## maths need helper

if cosz=200, what is the exact value of z?help

22. ## calculus-again frustrated-looking for steve asap

if sinh(y)=[4sinh(x)-3)/(4+3sinh(x)] show that dy/dx=5/(4+3sinh(x)] step plz i plead

23. ## calculus-help me sir~steve

show that 2f''(t)-f'(t)-f(t)=sin(t)-cos(t) where f(0)=f'(0) has the solution (-2/5)e^(-t/2)-(1/5)sin(t)+(2/5)cos(t) using laplace tranformation plz plz plz show step by step

24. ## math-need sir-steve badly asap

show that L{f(t)}=f(s) then L{e^(kt)}.f{(t)}=f(s-k) where k=costant L=laplace transformation

25. ## simultaneous-equation help am despirate

find the value of x,yandz in the system equation 2x+y-z=8 x^2-y^2+2z^2=14 3x^3+4y^3+z^3=195 step please thanks

26. ## logarithm math-need help!!!!

5logxbase4+48log4basex=x/8 help me plz step

27. ## integration....

Evaluate the intergral root(xdx).... Help plz show work...

28. ## maths-somebody!anyone help

An arbitary list of integers both positive and negative is presented to two player,playerA and playerB.with A playing first in there turn,either players is allowed to pick the first or last number from the remaining list,and the number is deleted from the

An arbitary list of integers both positive and negative is presented to two player,playerA and playerB.with A playing first in there turn,either players is allowed to pick the first or last number from the remaining list,and the number is deleted from the

30. ## calculus sir damon help me or steve

integrate dx/root(coshx-1) plz show step

31. ## probability help!!

buses arrive at a bus stop at 15minute interval,starting from 7am if a passenger arrived at a times that is his uniformly distributed (a):find the probability that the passenger wait less than 5minute for a bus? (b):find the probability that the passenger

32. ## calculus help

Integrate:(3x^5-5)^-3 dx thanks

33. ## maths-word problem help

A and B can finish a piece of work in 12days and 18days respectively. A begin to the work and they work alternately one at a time for one day each.The whole work will be completed in? Help me plz show step thanks

34. ## help maths partail sum

find the partial sum and the limiting sum of the following infinite series 1/4+1/10+4/18.... show step got no ideal at all

35. ## trigonomentry...Very hard

express root(9+x^2) as a trigonomentric function of tita without using radicals by letting x=3tantita.assume that 0

36. ## Math

A model car has a scale factor of 1/64.The diameter of a tire on the model is 0.4 inches. What is the diameter of a tire on the actual car?

37. ## Math

A model car has a scale factor of The diameter of a tire on the model is 0.4 inches. What is the diameter of a tire on the actual car?

38. ## Math

kristin bought eight boxes. a week later half of her boxes were destroyed in a fire. there are now only 17 boxes left. with how many did she start?

39. ## Math

Hildegard is 3 years more than twice as old as Fragonard. Write an expression for this situation?

40. ## Math

if 6 houses has 6 cats which catch 6 rats and each rat has 6 fleas. how many fleas are there? Write and evaluaye the exponent.

41. ## math

2 numbers have a product of 7, and a difference of 28, what are the 2 numbers?

42. ## Math

In Magic Diamond use numbers 1-12. Each row must equal the same sum. # # # # # # # # # # # #

43. ## math

write an equation of the line containing the given point and parallel to the given line. express your answer in the form y=mx+b (6,9)x+4y=5

44. ## science

bob and sue are initially standing still on frictionless ice. bob weighs 500n . they push against each other and sue acquires an acceleration of 5m/s while bob acquires acceleration of 3m/s. what is sue mass

45. ## Math quick check thx

Out of 42 kids in a class twice as many failed Ela as math,4 failed both. If 7 failed neither, find how many failed each subject. I made a venn diagram the middle part of the venn diagram would be 7 and the math part would be 13 and the ela part would be

1. ## Lang Arts

Miss sue is not a real teacher if she realy was a real teacher she would not be giving out answers she would lose her job and if she was a real teacher she would learn how to CONTROL HER ANGER!! “Ms Sue” is just a little kid who is bored

posted on November 27, 2018
2. ## math

what you have to do is divide 13 by 4 13/4=3.25 so your answer is c but it stops at 2 decimal places, there are no more than 2 decimal places so c is your answer.

posted on October 8, 2018
3. ## MATH

can you please explain in detail? thanks.

posted on October 8, 2018
4. ## math

No

posted on January 1, 2018
5. ## miss reiny correct-done

thanks

posted on September 17, 2016
6. ## maths need helper

i mean what the exact value of z!

posted on August 29, 2016
7. ## Math

8x-x=-5+4 7x=-1 x=-1/7...

posted on May 13, 2016
8. ## sociology of theory...help

i can not access the web page at bobpursley..and yes am a university graduate...

posted on April 18, 2016
9. ## math

don't know

posted on March 10, 2016
10. ## Math

(X+8)/2= 17 X+8= 17x2 X+8=34 X= 34-8 X= 26 boxes

posted on February 2, 2016
11. ## Math

Thanks Vinny. But its Diamond with 4 circles each side. one circle common between two sides and the number should not e repeated to use. If i am not mistaken. 0 0 0 0 0 0 0 0 0 0 0 0

posted on May 7, 2014
12. ## HELP PLZ

hI, I found this for you. I hope will work for you. Displacement occurs when they is an obvious difference in reactivity for both the metals. e.g: If you got Rubidium and Sodium, obviously rubidium got the better reactivity, hence it will displace any

posted on May 7, 2014