# 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**

Answer please

**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**

Length =11 meter breadth=19 meter

**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**

3. Insert a comma after advertisement

**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.

**Math, need help asap**

12 M

**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

**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

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

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!**

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

**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**

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

**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.

**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

**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

**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**

check the answer below

**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**

Please write your responses on this answer sheet

**Cash flow statement**

b.stock dividends received.

**Investing**

b.stock dividends received.

**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**

your question is not clear.

**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**

Answer: l<−w+90

**calculas**

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

**Chemistry**

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

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