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Praphul

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A saturated solution of PBS at 25 degrees contains 5x 10-14mole/ liter of pb2+ion. What is the Ksp value of this salt?
1. 1 answer
2. 414 views
a 20cm candle has wick at each end.if each end is lit, the lower flame burns at a rate of 9 cm/hr and the upper flame burns at a
1. 1 answer
2. 502 views
Triangle $ABC$ is isosceles with point $A$ at the point $(2, 7)$, with point $B$ at $(-2, 0)$ and with point $C$ at $(3, -1).$
1. 2 answers
2. 2,013 views
Suppose the atomic mass unit had been defined as 1/10 the average mass of an atom of phosphorus .what would the atomic mass of
1. 0 answers
2. 604 views
Suppose the atomic mass unit had been defined as 1/10 th of the average mass of an atom of phosphorus. What would the atomic
1. 1 answer
2. 615 views
What is the concentration of Sulfate ion in a 0.5 M solution of Al2(SO4)3?
1. 3 answers
2. 3,150 views
Eric is standing on the ground, a distance of 70 ft from the bottom of Ferris wheel that has a 20 ft radius. His arm is at the
1. 3 answers
2. 873 views
6,12,24,48,96...... How can you define the nth term
1. 1 answer
2. 542 views
Write an equation for the hyperbola with center(0,-5); asymptotes y=+_ (19 square root6x)-5 , conjugate axis length of 12 units(
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2. 485 views
Write an equation for the hyperbola with vertices (7,5),(-5,5); foci (11,5),(-9,5)
1. 0 answers
2. 950 views
Given f(x)= (x-4)^2-1 What is the vertex of the graph of this function
1. 1 answer
2. 393 views
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple
1. 1 answer
2. 544 views
A gerbil in a maze has 6 places at which to turn left or right.How manydifferent ways can the gerbil get through the maze?
1. 0 answers
2. 351 views
A gerbil in a maze has 6 places at which to turn left or right.How manydifferent ways can the gerbil get through the maze?
1. 0 answers
2. 360 views
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple
1. 2 answers
2. 511 views
What is the difference between the number of possible answers on a five question true-false test and a five -question multiple
1. 1 answer
2. 566 views
A man is cutting a board that is 6 3/4 ft into pieces that are 8 inches each.He will make as many as 8 inch boards as he can.How
1. 2 answers
2. 438 views
Each costume requires 2 2/3(two and twothirds) of fabric.Mrs Joy has 18 1/2yds of fabric.How many costumes can she complete.
1. 1 answer
2. 375 views
In the first quarter of a football game ,a quarterback threw for 25 yds and was sacked for -36 yds.What was thequarterback's
1. 1 answer
2. 419 views
State the number of complex roots,possible number of real roots and possible rational roots for x^5 - x^3 - 11x^2+ 9x+18=0
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2. 614 views
Factor thisa^2b^2 -ab^3+16b^4
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2. 394 views
One student studied for 8 years in college and her tuition bills are recorded.Years. One semester tuition 1. 4680 2. 4960 3.
1. 0 answers
2. 408 views
The sluggers were up to bat in the bottom of 9 th inning.theo slam was up to bat. As he hit the ball toward left field, it rose
1. 1 answer
2. 425 views
Show that -1/2+ 1/2(i3 root) is a cube root of 1
1. 1 answer
2. 316 views
A gardener is putting a fence along the edge of his garden. If he has 20 m of fence , what is the largest area he can enclose?
1. 3 answers
2. 954 views

Answers (43)

I need the minimum distance
Adding both the equations, we get 2y= 6 Dividing both sides with 2 , y= 3 Plugging y=3 in the second equation, we get x = 2
1^2 + 0 = 1 2^2 + 1 = 5 3^2 + 2 = 11 4^2 + 3 = 19 5^2 + 4 = 29
30 c 4
I don't think the question is complete.Please repost it with complete details
B 165 cubic units. Volume of the rectangular prism is l*w*h
First find the slope of the line using the formula y2-y1/x2-x1 and coordinates (-2,-1)and(2,-3) you will get slope = -2/4 which is equal to -1/2.Slope of a line that is perpendicular to a given line is negative reciprocal. So slope of the line 2
Square both sides,you will have x+1= 5x-9. I guess you can solve from here,which leads to x=5/2
I know difference means subtraction.Also you wrote everything that is given.If you know please show me the work
164= x-59 to solve for x we need to get rid of 59 Add 59 on both sides x=223
1.10x^2+15x-4x-6 b should be split in such a way that the product is equal to ac and the sum should be equal to b. 5x(2x+3)-2(2x+3) (2x+3)(5x-2) a 2.Find the LCM (18s+9)/4s^2 c 3.[(2a/3)^3]^4/3 both 3 s get cancelled and we have 16a^4/81 c 4. Problem is
12/4= x/15 X= 45
7 is neutral while any thing less than 7 is acidic including 6.9 is acidic. Anything more than 7.1 is basic
6bc
That is standard form, did you mean scientific form?
No of blue beads/ total number of beads 10/78
Distance = speed multiplied by time
5c0a^5 + 5c1a^4b + 5c2 a^3 b^2 + 5c3 a^2b^3 + 5c4ab^4 + 5c5b^5 5c0= 1= 5c5. . 5c1= 5 = 5c4 5c2= 10 5c3= 10 Plugging in these values, a^5+ 5a^4b+ 10a^3b^2 + 10a^2b^3 + 5ab^4 + b^5
V= 330m/s Wavelength= .009m Frequency= 330/.009 hz
For the first part,the question is incomplete. Part2Foreign mammals = total-Animals in US 256 Ratio is 256:325
You can either find the LCM for all the three fractions or you can convert them to decimal to find the least to greatest. Hope you got it
Yes,you are right
Assume Friday's age = x Fred's age = 3x 3x+x= 68 4x= 68 x=17 Fred's age = 3*17= 51
for each fraction multiply with the same number NR and DR for 9/12 18/24,3/4,27/36 Continue for all the fractions
Plug in x=-5 You get 25+3 = 28
18*3/9=6
m+m+m-5=3.23 3m=8.23 m= 8.23/3
9cows + 18goats = 9000 Divide the whole equation with 3 3cows + 6goats = 3000
Set up a proportionality 15/25=x/85 original/shadow for each x=51 ft
(x+4)(3x^2-11x+6) You need to factorise 3x^2-11x+6 .Sum of the numbers should be equal to -11x and product should be equal to 18x^2.It is -9x and -2x (x+4)(3x^2-9x-2x+6) (x+4)[(3x(x-3)-2(x-3)] (x+4)(3x-2)(x-3)
You did not write the scale on the top...so please write the question completely
Fe is Iron O2 is oxygen Fe3O4 is Iron Oxide or Ferrous ferric oxide
multiply 2.45 with 10 and youget 24.50
Zn Metallic bond Propane Covalent bond Calcium Carbonate:Both Ionic and Covalent bond
let us have a common denominator so multiply both NR and DR of 3/8 fraction with 2 It becomes 6/16 Now compare the NRs of both fractions and we can say 15/16 is bigger
Let the number of girls be x Then boys = x+4 Total number of students= 40= x+x+4 2x+4=40 2x= 36 x= 18 number of girls= 18
Speed= distance/time 495/9=55 miles/hr
We have the formula a+(n-1)d=nth term Where a is the 1st term ,d is the difference and n is the nth term So1st term= a 2nd term= (a+1)d 3rd term= (a+2)d 5th term=(a+4)d Adding ad+2d+ad+ 4d= 38 2ad+ 6d= 38 In the same way 7th term=(a+6)d 10th term=(a+9)d
Since it is APthe difference of 3x+6 and 2x+p is equal to the difference of 2x+p and x So 3x+6 -(2x+ p)= 2x+p-x 3 x+6-2x-p= x+ p X+6-p= x+p Canceling x on both sides and bringing ps to one side we will have 2p= 6 P=3
It's a rectangular garden and the fence is on 4 sides,my question is how does graph help
It's a rectangular garden,on all 4 sides,and how does a graph solve the problem?
7000 babies
E is the point of intersection of AC and BD.so AC=58 ft which is AE+CE=32+26= 58. Now we have 2 triangles ACB and ACD. Area of triangle ACB= base.height/2 58 times12/2=348 ftsquare Area of triangle ACD=58 times 26/2=754 square ft To find the area of the

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