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x is the angle, its complement will be (90-x),because they have to add up to 90, and here x + (90 -x) = 90 here in the question, x is equal to 4 times of its complement, so we have x = 4 * (90 - x) --> x = 360 - 4x --> 5x = 360 --> x = 360/5 --> x = 72

Five rational numbers 3.1/5,3.2/5,3.3/5,3.4/5,3.5/5

Jyoti has divided the park into congruent trapeziums. The parallel sides of the trapezium are measuring 15 metres and 30 metres and the perpendicular distance is 7.5 metres

Area of Trapezium = 1/2 × Sum of parallel sides × Perpendicular distance

So, Area of two trapeziums = (30 + 15) × 7.5 = 337.5 sq m

Kavita divided the park into upper triangular portion and a lower rectangular portion. Sides of the rectangle are 15 metres each. Base and height of the triangle are 15 metres each.

Area of square = 15 × 15 = 225Area of triangle = 1/2 × 15 × 15 = 112/5Total Area = 225 + 112.5 = 337.5 sq cm

Types of quadrilaterals

Parallelogram.

Rectangle.

Square.

Rhombus.

Trapezium.

paralleogramtrapeziumsquare rhombus rectangle

4√2 is irrational because it Cannot be written in p/q form where q is not equals to 0.

find the interest on rupees 800 for 146 days at a rate of interest of 5%

Let , 7-√5 is a rational no. is equals to r, where r is a rational no.So,7-√5 = r 7-r = √ 5.Now,LHS is a rational but RHS is an irrational.So, our assumption was wrong; 7-√5 is not a rational no. Therefore, 7-√5 is a irrational no. Hence, proved.

22/7 is a rational number...

is a rational number is the correct answer of the given question

it is rational number

3.14 and it is value of π

22/7 is a rational number

a) 3.14b) rational numberc) πchoose any answer by your wish

22/7=π=3.14correct answer

(4p-3q)(4p+3q) = 8p

The probability of the name written on cars is the name of girl = 25/40 =5/8

The probability of the name written on cars is the name of boy = 15/40 =3/8

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Total students=40number of boys=15number of girls=25(i)P(a girl)=25/40=5/8(ii)P(a boy)=15/40=3/8

probability of girl=5/8probability of boy=3/8

1) Name written on a card is of a girl?

Favourable outcome= 25Total possible outcome= 40

P(E) = Favourable outcome/Total possible outcome

P( name is of a girl) = 25/40

P(name is of a girl) =5/8

Similarly probability of getting a boy is 3/5

SP = 13500 LOSS = 20% CP = 13500/0.8 = 16875

36/100=18/50=9/25 is the answer

.366666666666666666666

36/100 = your answer is 0.36

9/25 is the answer and in the points it may be happened

0.36 is the answer of 30/100

= (36/100)

= 0.36

0.36

0.36

except u

there are or many questions

am>=gm(x+1/x)/2>=root(x*1/x)x +1/ x>=2

(sin²θ/cos²θ) + (cos²θ + sin²θ) = tan²θ + cot²θ = sec²θ - 1 + cosec²θ -1 = sec²θ + cosec²θ - 2

*There is an error in the question. There should be + sign or . after the first term on the RHS*

A tap in 8 hr fill 1 partin 1 hr fill 1/8 th partIn 16 hr B empty 1 partin 1 hr empty = 1/16 th partin 1 hr both work =1/8-1/16= 2-1/16= 1/16 th part1/16 th part fill both in 1 hr 1 part (full) fill 16 hrs

Time taken by tap to fill ciltren = 8 hours

Time taken by tap to empty ciltren = 16 hours

in 1 hr tap fill the cistern = 1/8 partIn 1 hr tap empty the cistern = 1/16 part

A/Q

1/8 - 1/16 = 1/16

1 ÷ 1/16 = 16

= The cistern would be filled in 16 hours.

(i) 36/100 = 0.36 Terminating decimal(ii) 1/11 = 0.0909.... Non-terminating decimal

√9.9856 =3.16 is the best answer

8x 9856 = 8 8 , 7 0 4

8×9856=88,704 answer

√9.9856=3.16the answer is correct

3.16 is your answer

Thanks for asking

Markhor is an endangered species of wild goat.

hi madhsudan broplz help me solve to my question

dear student,could you please tell where you didn't understand the solution provided

The product of two consecutive heterogeneous numbers is 195. What is the sum of those numbers?

Lysosomesare cellular organelles that contain digestive enzymes that break down waste materials, foreign material and cellular debris. Lysosomes are capable of digesting nucleic acid, polysaccharides, fats, and proteins. Along with them lysosomes also digest or damage its own cells by its own enzymes, which lead to cell death. This process is called as autolysis. Hence lysosomes are also called as suicide bags

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Number of pen she not by is

To prove: 3+2√5 is irrationalLet us assume that l 3 + 2 √ 5 is rational

Thus 3 + 2 √5=a/b(where a and b are co prime integer )

√5=a-3/2b

because, a-3/2b is rationaltherefore root 5 will also be rational

but we know that,root 5 is irrational

Therefore our assumption is wrongThat is 3+2 √ 5 is irrational

since the limit is tending to 0/0 so, using L.H rule

on differentiation of both the terms

lim x→π/2. 2sec²(2x)/1 = 2*(sec²(π)) = 2*(-1)² =2

sin(x + y) = cos[3(x + y)]cos(90 - (x + y)) = cos[3(x + y)]90 - (x + y) = 3(x + y)4(x + y) = 902(x + y) = 45

Therefore,tan[2(x + y)] = tan 45° = 1

not showing ans

(Sinx+cosec)^2+(cosx+sex)^2

=)Sin^2x+cosecx^2x+2sinx*cosecx+cos^2x+sec^2x+2cosx*secx

=)sin^2+2sinx*1/sinx+cos^2x+sec^2x+2*cosx*1/cosx

=)sin^2x+cos^x+sec^2x+cosec^2x+2+2

=)1+4+(1+tan^2x)+(1+cot^2x)

=)5+1+1+tan^2x+cot^2x

=)7+tan^2x+cot^2x.

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Then X--y=2 is the right answer

Value of sqrt(3^-2)

= (3^-2)^1/2

= (3)^-2/2

= (3)^-1

= 1/3