# Posts by khan

Total # Posts: 79

Math
when i was 18 Year old ,My sister was Half my age,now i Am 82 Year old .how old is my sister now.

Calculus 1
sand is being poured onto the ground forming a conical pile whose height equals 1/4 of the diameter of the base. The sand is falling at a rate of 20cm^3/sec. How fast is the height of the sand pile increasing when it is 3cm high?

Math
Figure undergoes a sequence of transformation that include dilutions. The figure and its final image are congruent explain how.

Math
A point with coordinates -2,-3 is rotated 90 degree clockwise about the origin what are the co ordinates of its image

Geometry
Quadrilateral MNPQ is the same shape but different size than quadrilateral MNPQ.tell whether one figure is a dilation of the other or not. Explain your reasoning.

Math

Math
Quadrilateral MNPQ is the same shape but different size than quadrilateral now.tell one figure is dilation of other or not.explain your reasoning.

Geometry
This is the question asking one figure is dilation of Another

Geometry
Quadrilateral MNPQ is the same shape but different size than quadrilateral mnpq

Geometry
Triangle RST has angles 38 and 75.Triangle rst has angles 67 and 38.the side are proportional.

math

physics
If the electric field strength in air is more than 3x106 N/C then the air will be become agood conductor .Determine the amount of charge that can be carried by a metal sphere of radius 2.0 m

physics
can u make it more simple.I cant understand ur answer completely..!thanks

physics
The sum of magnitudes of two forces is 16N.if the resultant force is 8N and its direction is perpendicular to minimum force then the forces are: (a)6N,10N(b)8N,8N(c)4N,12N(d)2N,14N

math
the opposite angles of parallelogram are 3x minus 2 and x plus 48 degree . find the mesurment of each angle

physics
Using dimensions, show that 1 joule=107 sq erg.

Statistics
In how many ways can 8 students be seated in the first row in class? 40320 16777216 64 8

Math
Mrs hart spent 3/5 of her money on a bag. 1/6 on a belt . She has 14 dollars left. How much money did she have in the beginning ?

math
a boat leaves a dock at 2:00pm ,heading west at 15 km/h. another boat heads south at 12km/hand reaches the same dock at 3:00 pm, when were the boats were closest to each other.? tanks it will be help full if its explained well .

MATH
A+R+J=1925 A=R/2 J=2R R/2+R+2R=1925 3.5R=1925 R=550 J=2*550 J=1100

writing

Microbiology
Dilution

life daeth
the poet is trying to explain (by using a series of metaphors) his/her understanding of life and death - two opposite concepts. Also the poet sees the two - life and death - as interchangeable, or as actually having opposite meanings than those we normally or usually attribute...

maths --plse help me..
ADDITION TO THE QUESTION 2340+9000 =\$11340 He must sold the grain to make 20 % prophet.

Science
50%

Math
PV (Present Valve)=42400 Interest(i)= 2.4% Number of years (n)=5 FV (Future value)=? FV=PV*(1+i) power n FV=42400 * (1+2.4) power 5 =

intergrated math 1
2X+7X+10=0 9X+10=0 9X=-10 X=-10/9 FINAL ANSWER (Variable and constant can not write on one side of the equaiton.

Algebra 2
OPTION C My answer is 3422.4288600

Math
Ratio question man days men days 52 : 35 :: X : 28 Hants : ratio :: proportion 52x26=35xX SO 35X=1352 X=1352/35 X= DIVIDE IT

maths --plse help me..
AFTER 40.67 DAYS DO the work by yours self 1586/39=40.66666666666666666667 days

correct 12/8 4 is common in nominator and denominator so =4x3/4x2 =3/2 (4/4=1) any thing multiply by 1 is the same answer 3/2 FINAL ANSWER

YOU ARE PRETTY CORRECT

math
DECREASE BY 4 EACH TIME 6 BECOS 24, 20, 16, 12, 8, 4, 0

7/8 Math URGENT!!! PLZ HELP!! ANYONE????
MS SUE IS CORRECT

math ALG 2!
remember +x+=+ -x-=+ -x+=- and +x-=- a. X+(X+1)+(X+2)=17 X+X+1+X+2=17 NOTE: If there is no sign with variables (a,b,c ....z) or constant (1,2,3.......) then the sign will be automatically "+" 3X+3=17 3X=17-3 X=14/3 X=4.66666666666666 X=4.67 TRY THE REST AS DIRECTED

Math alg2!
30 5+2X=65 CALCULATE TI

math ALG 2!

math
200 x X=900 X = 900/200 =

math
2/3 x 10=6.6666 or 7

math
ratio=2+3=5 cost of 3 television 3/5 x 1421=852.6 cost of one television=852.6/3 =284.2 fine the price of 1 dvd???

math

Good advise Raynisha Area=Length x width =100 x 200 = Parameter= 2(Length+width) percent=100/200x100 (50% is the answer, Do all the calculation by yourself) = Fraction=100/200 or 1/2 (divided by 100) Decimal=100/200 = ? Solved the missing equal sign. I think it could help.

math
(-25+4)to the power 2x3-(5)to the power 3. is this the correct question? =-21 to the power 2 x3-(5x5x5) =(-21x-21)x3-125 =461x3-125 =1383-125 =1258 final answer.

math
= (3a square+3a+3)+ (15a square+5a-9) = (3ax3a)+3a+3)+(15ax15a)+5a-9)) = 9a sqaure+ 3a+ 3+225a square+ 5a-9 = 9a sqrare+225a square+3a+5a+3-9 =234a square + 8a - 6 Note: 3-9=-6 how? EXAMPLE: you owed me \$9 AND paid me 3. So still you owed me \$ 6 and have to pay

math
1 2 3 1 2 3 (1,1)(1,2)(1,3) (2,1)(2,2)(2,3) (3,1)(3,2)(3,3) Total of 18 selections and 9 pairs understood?

math
18

i am confuse X:3????????????? Is this X=3, OR X/3 : This symbol some thine call ratio or sometime use for division or some time for equal sign

general
Which of the following would you use to sort through slides for a slide presentation? A. Camera B. Opaque Projector C. Copy machine D. Light box

math

GENERAL
Which of the following would you use to sort through slides for a slide presentation? A. Camera B. Opaque Projector C. Copy machine D. Light box

math
50,000

math
14.714 Multiply 14 with 7 and add 5 =103/7 = 14.71428571 or =14.714 final answer

math
14/27/2/3 =14/27x3/2 (division convert to multiply and numerator will switch to denominator. =7/9 answer

statistics
because the percentage raise up and this will effect numbers etc

math
g/5=42+13 g/5=55 g=55x5 g=275

Math
FV=PV(1+i)power n FV=1000(1+.06)power 6) =1000(1.4185) =14185

Algebra
8s+12=16............. equation 1 6s+9t=12............. equation 2 Multiply equation 1 by 3 and equation 2 by 4 and subtract. +24s+36= +48 +24s+36t=+48 - - - (sign will change when sub) ............. 36-36t=0 t=1 put t=1 in equation 2 6s+9(1)=12 s=1/2 CHECK 6(1/2)+9(1)=12 12=12...

Physics
A high diver of mass 68.2 kg jumps off a board 10.4 m above the water. The acceleration of gravity is 9.8 m/s2 . If his downward motion is stopped 3.58 s after he enters the water, what average upward force did the water exert on him? I already calculated that his velocity ...

maths
there are 8 oranges in a box and 8 kids are waiting to get one. Each kid is given 1 orange, yet there is one orange left in the box, how?

chemistry
23.4 g/l

physics
27

physics
10

physics
A 45.7-kg boy on a swing moves in a circular arc of radius 3.80 m.At the lowest position, the child's speed reaches 2.78 m/s. Determine the magnitude of the tension in each of the two vertical support chains

math
12.9

managerial finance
The annual bonus for senior managers at Wanstead Engineering was first agreed in 1998. Since then the company has seen no need to make any changes to the way in which the bonus is calculated. Both shareholders and managers agree the bonus is important, as it is a major factor ...

math
It had a yacht to offer

physics
its 8.2 kolgrams

physics
A physics professor lifts her 8.2-kg briefcase at constant speed with an upward force. Find the magnitude of her force. answer in newtons.

English

Cash flow statement

Investing

English
You can substitute this by " It appears as though" or " It seems as if"

CPA
How long does it take to become a CPA and what are the procedures? thank you.

Accounting

Accounting
Three years back, Mr. Az bought a property from Mr. Za for \$100,000 under a term. Today, after the depreciation property's book value is \$70,000. Now, Mr. Za asking \$200,000 more to give the title of the property to Mr. Az, and Mr. Az is bond to pay this amount under the ...

Algerbra