# Posts by khan

Total # Posts: 76

**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?

*September 10, 2016*

**Math**

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

*April 12, 2016*

**Math**

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

*April 9, 2016*

**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.

*April 7, 2016*

**Math**

Answer please

*April 7, 2016*

**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.

*April 7, 2016*

**Geometry**

This is the question asking one figure is dilation of Another

*April 7, 2016*

**Geometry**

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

*April 7, 2016*

**Geometry**

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

*April 7, 2016*

**math**

Length =11 meter breadth=19 meter

*September 26, 2015*

**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

*May 26, 2015*

**physics**

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

*February 2, 2015*

**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

*February 2, 2015*

**math**

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

*October 6, 2014*

**physics**

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

*August 1, 2014*

**Statistics**

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

*June 26, 2014*

**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 ?

*February 3, 2014*

**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 .

*April 20, 2013*

**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

*March 30, 2013*

**writing**

3. Insert a comma after advertisement

*March 25, 2013*

**Microbiology**

Dilution

*March 11, 2013*

**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...

*February 17, 2013*

**maths --plse help me..**

ADDITION TO THE QUESTION 2340+9000 =$11340 He must sold the grain to make 20 % prophet.

*December 22, 2012*

**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 =

*December 14, 2012*

**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.

*December 14, 2012*

**Math, need help asap**

12 M

*December 14, 2012*

**Algebra 2**

OPTION C My answer is 3422.4288600

*December 14, 2012*

**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

*December 14, 2012*

**maths --plse help me..**

AFTER 40.67 DAYS DO the work by yours self 1586/39=40.66666666666666666667 days

*December 14, 2012*

**Math 5th grade**

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

*December 14, 2012*

**7th grade math Ms. Sue please**

YOU ARE PRETTY CORRECT

*December 13, 2012*

**math**

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

*December 13, 2012*

**7/8 Math URGENT!!! PLZ HELP!! ANYONE????**

MS SUE IS CORRECT

*December 13, 2012*

**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

*December 13, 2012*

**Math alg2!**

30 5+2X=65 CALCULATE TI

*December 13, 2012*

**math ALG 2!**

RED BIK= 300/2=150+14=164 BLU DIK= 150-14=136 CHECK YOUR ANSWERS= 164+136=$300

*December 13, 2012*

**math**

200 x X=900 X = 900/200 =

*December 13, 2012*

**math**

2/3 x 10=6.6666 or 7

*December 13, 2012*

**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???

*December 13, 2012*

**math**

eight years. 16*5=80-72=8 final answer

*December 13, 2012*

**Math - 6th grade**

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.

*December 12, 2012*

**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.

*December 12, 2012*

**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

*December 12, 2012*

**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?

*December 9, 2012*

**5th grade math (dividing fractions)**

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

*December 9, 2012*

**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

*December 9, 2012*

**math**

check the answer below

*December 9, 2012*

**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

*December 9, 2012*

**math**

50,000

*December 8, 2012*

**math**

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

*December 8, 2012*

**math**

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

*December 8, 2012*

**statistics**

because the percentage raise up and this will effect numbers etc

*December 8, 2012*

**math**

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

*December 8, 2012*

**Math**

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

*December 8, 2012*

**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...

*December 8, 2012*

**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 ...

*December 5, 2012*

**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?

*December 4, 2012*

**chemistry**

23.4 g/l

*November 30, 2012*

**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

*November 20, 2011*

**math**

12.9

*July 14, 2011*

**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 ...

*June 12, 2011*

**math**

It had a yacht to offer

*March 13, 2011*

**physics**

its 8.2 kolgrams

*February 21, 2011*

**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.

*February 21, 2011*

**English**

Please write your responses on this answer sheet

*March 4, 2010*

**Cash flow statement**

b.stock dividends received.

*November 1, 2009*

**Investing**

b.stock dividends received.

*November 1, 2009*

**English**

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

*December 16, 2007*

**CPA**

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

*December 6, 2007*

**Accounting**

your question is not clear.

*December 5, 2007*

**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 ...

*November 8, 2007*

**Algerbra**

Answer: l<−w+90

*October 23, 2007*

**calculas**

Question # 01 Solve the inequality and sketch the solution on a coordinate line.

*March 20, 2007*

**Chemistry**

If i know how tosolve these questions i wouldnt visit this site lol sorry

*October 15, 2006*

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