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Average speed = (v1 + v2) /2

For distance d = 20 km, time = 30 min = 30/60 = 1/2 hrSpeed v1 = 20/1/2 = 40 km/hr

For distance d = 29 km, time = 40 min = 40/60 = 2/3 hrSpeed v1 = 29/2/3 = 43.5km/hr

Then,Average speed = (40 + 43.5)/2= 83.5/2= 41.75 km/hr

(i)ans 4.......................................

y=4x=17x=7y=12x=8x=12x=6x=8y=4z=2

The rational number between a and b is (a + b)/2Hence rational number between 1 and 2 is (1+2)/2 = 3/2Rational number between 1 and 3/2 is [1+(3/2)]/2 = 5/4Rational number between 1 and 5/4 is [1+(5/4)]/2 = 9/8Rational number between 3/2 and 2 is [(3/2) + 2]/2 = 7/4Rational number between 7/4 and 2 is [(7/4) + 2]/2 = 15/8Therefore five rational numbers between 1 and 2 are 9/8, 5/4, 3/2, 7/4.

X+Y=180X=3Y-140 REPLACE X WITH (3Y-140)3Y-140+Y=1804Y=180+1404Y=320Y=320/4Y=80 ANS.X+80=180X=180-80X=100 ANS.

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smallest five digit number is 10,000and smallest 4 Digit number is 1000

so, upon dividing 10000/1000 =10 is the quotient.

If you're asking what the smallest positive 4 digit number that IS a perfect square is, the answer is1024= 32^2.

1024=32×32 you will get your answer

1024 right ans 32^2 h vo

1024 is the right answer 32^2

The smallest four digit whole number is 1000

The largest 6 digit number is 999999.

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Temperature of the room =40°CTemperature be lowered every hour=5°CAfter 10 hour the temperature decreases=10*5 =50°CThe room temperature after 10 hours = (40-50) °C =-10 °C

-10°C is the answer of the following

temperature is 10°c is the correct answer

Present temperature of room = 40°c

If temperature lower down by 5°c every hour

Then,Temperature after 10 hours= 40 - (5*10)= - 10°c

the time take to reach the outside is240

it is a scalene triangle

Here the smallest number is LCM.So, answer is 720

What is the smallest number that is exactly divided by 108, 180, and 216

This sounds to me like you are looking for the Least Common Multiple (LCM), so I will uses the prime factorization of each number to find the prime factorization of the LCM.

2*2*3*3*3 is the prime factorization of 108

2*2*3*3*5 is the prime factorization of 180

2*2*2*3*3*3 is the prime factorization of 216

LCM = 2*2*2*3*3*3*5= 1080

Therefore,1080 is the smallest number exactly divided by 108, 180 and 216.

1080 is yhe no thar are divided

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If you're asking what the smallest positive 4 digit number that IS a perfect square is, the answer is1024= 32^2.

1024 is the correct answer of the given question

1024 is right ans bcz 4 digit smallest values 32^2

1024 is the correct answer

let "a" is the edge of cube

Volume of cube = a3

a3= 1728

a = 12 cm

Volume of a cube = 3375 cm³Measure of the edge of the cube = ³√3375 cm => 15 cmTotal surface area of a cube = 6 × (side)²=> [6 × (15)²] cm²=> [6 × 225] cm²=> 1350 cm²

1: 3

Number of sides in Reactangle = 4

Number of sides in cuboid = 12

Therefore,Ratio of sides in Reactangle and sides of cuboid = 4:12 or1:3

55² - 11 = 14

set 113² - 4 = 165set 23² - 2 = 7

Explanation : In isosceles triangle two base angles are same and addition of all three angles is 180. Suppose base angles are x x + x + 120 = 180 2x = 60 x = 30

Solution : Base angles 30°

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Square root of 1000 = 31.2

Next higher number = 32.

Square of 32 = 1024.

Smallest 4-digit square number is 1024.

Let us find LCM of 4, 9 and 104 = 2 x 29 = 3 x 310 = 5 x 2So, LCM = 22x 32x 5 = 180Now the LCM gives us a clue that if 180 is multiplied by 5 then it will become a perfect square.The Required number = 180 x 5 = 900

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9.ans=Answer:

900

Step-by-step explanation:

First let us take the lcm for the three no.

So the lcm is 180

In the lcm, 5 doesn't have a pair

So, 180×5=900

Hence,the required answer is 900

the correct answer is 900

900 is the answer to the question you have asked

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Population is an important resource because for the technological economical development will be only be possible by the humans for the current generation without population we cannot built a large economic world

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Consider the given equation. 0.3x = 0.5=> 0.3x - 0.5 = 0=> 0.3x + 0y - 0.5 = 0

Comparing with the standard equation,ax + by + c = 0

We get, a = 0.3 b = 0 c = - 0.5

Here, a -> coefficient of x b -> coefficient of y c -> constant term

additive inverse3/5,-1,0,-7/9,+1multiplicative invres_5/3,1,do not exist,9/7,-1respectively

3/5, 1, 0, 7/9, 1 is the correct answer of the given question

Here,

a1 = k, b1 = 3, c1 = -(k - 3)a2 = 12, b2 = k, c2 = -k

Since the equations have no solution: a1/a2 = b1/b2

=> k/12 = 3/k

=> k² = 36

=> k = ± 6

wrong answer 108 aa raha h book main

a) x = 10-4 = 6

b) n = 5+7 = 12

c) m = 20/4 = 5

2)4000 5)200000 is the answer

ii) 40000,9000,300,20,8v) 400000,0,0,0,70,5

ii) 4000v) 200000

Your answer is 6 because X+4=10 so, X=10-4Answer:- X=6

p/2+6=9p/2=3p=6

Given :

y/5 = 6

put y = 1 So we get 1/5 = 6, absurd.

Now we observed that we need a much bigger value

So, let take y = 30

So, 30/5 = 6, that is the solution.

0.32 bar10x= 3.222222222........ 1100x=32.222222222......... 2from 1and 2100x=32.2.....- 10x=3.2= 90x=29x=29/90

(y³-343) = (y-7)(y²+7y+49)

now dividing it with (y-7)

= (y-7)((y²+7y+49)/(y-7)= y²+7y+49 is the quotient and 0 is the reminder.