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=(x-√2) (x-1/3) =3x²-3√2x+1

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perimeter=2(length+breadth)=2(4+3)=2(7) =14cm

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Cost price of 10 Chairs = Selling price of 16 Chairs.

Let us take , Cost of 10 chair will be 10. Cost of 1 chair will be 1.

If you Sell 16 chair(16 rupees) for the same cost , definitely it will be loss.

Now , find loss of money

Loss money = selling price - cost price =16-10 = 6 6 rupees loss : Caluculate in percentage = (6/16)*100 loss percentage =37.5%

7/311/511/7

7/3 -1/9-2 the correct answer of the given question.

7/3-1/9-2/1is the answer for your question

Let multiplicative inverse of(7 + root(7)i) be x

Then,(7 + root(7)i)*x = 1x = 1/(7 + root(7)i)x = (7 - root(7)i)/(49 + 7)x = (7 - root(7)i)/56x = 1/8 - root(7)/56 i

You can post image of the question for easyness.

28

Perimeter of Reactangle = xCircumference of circle = x + 8

Let length of Reactangle = lLet breadth of Reactangle = bRadius of circle = r

Then,l:r = 1:2So radius = y, length = 2y

l:b = 7:3So length = 7m, breadth = 3m

Here, length of Reactangle 7m = 2yy = 7m/2

Perimeter of Reactangle= 2(length + breadth)= 2(7m + 3m) = 20m

Circumference of circle= 2*pi*r 20m + 8 = 2*22/7*y 20m + 8 = 44/7 * 7m/220m + 8 = 22m2m = 8m = 8/2 = 4

Therefore, length of Reactangle = 7m = 7*4"= 28

option b) area of parallelogram < area of rectangle

area of parallelogram>area of rectangle

any short form

Given:Area of square=Area of rectangleside×side=length ×breadth40×40=length×25Length=40×40/25length=64 cmPerimeter of rectangle =2(l+b)2(64+25)cm=perimeterperimeter=(89×2)cmPerimeter=178cm

its qworng answer

thank you so much

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75

20 40 60

would you expain in detail?

1)First 10 composite numbers are :4, 6, 8, 9, 10, 12, 14, 15, 16, 18.

Mean = Sum of all observations ÷ Total no: of observations.Sum of all observations = 4 + 6 + 8 + 9 + 1 0 +12 + 1 4 +15+ 16 + 18 = 112

Total no : of observations : 10

Mean = 112 / 10 = 11.2

Mode is a no: which occurs frequently in a given set of no:s.As every no: occurs only once , there is no mode.

2)First 5 multiples of five = 5,10,15,20,25average= 5+10+15+20+25/5= 75/5= 15average = 15

don't know what you want

the mean of first five is 15

15 is the correct answer of the given question

Area = Length × Breadth 117 = 13 × Breadth Breadth = 117 / 13 = 9

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Thanks a lot

Length be l and breadth be bhence2l=bhenceperimeter is 72.6=2(l+b)hence72.6=2(l+2l)36.3=3ll=12.1henceb=l/2=6.05

the answer can be 6.05

Rationalisinghence5/√3-√5*√3+√5/√3+√5=5√3+5√5/3-5=5√3+5√5/-2

Cost of shoes=540Amit paid for shoes=594VAT charge=594-540=54

Given

x/24 = 70

x = 70*24

= 1680 cm

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SP=2600profit=30%so CP=2600/1.3=2000

Tax=540*X/100=54as 594-540=54hencex=10%Hence VAT is 10%

right answer

Solution:

First show that ΔABC ≅ ΔADE by using SAS ruleand then use CPCT to show given result.

Given,

AC = AE, AB = AD and ∠BAD = ∠EAC

To prove:BC = DEProof: We have ∠BAD =∠EAC

(Adding ∠DAC to both sides)∠BAD+∠DAC =∠EAC+∠DAC⇒ ∠BAC = ∠EADIn ΔABC and ΔADE,AC = AE (Given)∠BAC =∠EAD (proved above)AB = AD (Given)Hence, ΔABC ≅ ΔADE (by SAS congruence rule)Then,BC = DE ( by CPCT.)

Odd number between 0 and 50 are 1,3,5,7,9.....49l = a + (n-1) d

49=1+(n-1)2

2n-2=48

2n=50

n=50/2

n=25

Now consider sumS(n)=n/2(a+l)

=25/2(1+49)

=25/2(50)

=25(25)

=625.

Therefore the sum of all odd numbers between 0 and 50 is 625.

4x^2-115x +375=0; 4x^2-100x-15x+375=0; 4x( x -25)-15( x - 25)=0; (4x - 15)(x - 25); 4x = 15; x = 15/4; x = 25

4x^2 - 115x + 375

~4x^2 - 100x - 15x + 375~4x(x - 25) - 15(x - 25)~4x-25 = 0 , x - 25= 0 ~so, x =25/4 and x =25

correct answer is X = 15/4, 25 please like and accept as best answer

-72 is the answer of this question