Question

Q 1 the capicity of water of a cuboidal tank is 50000 litre of water . Find the breath if lenth is 25m and height 10m .
Q 2 find the value of k if x+1 is a factor of 2x(square) + kx +underroot 2

Answer 1

HERE IS YOUR ANSWER :-

1. Hi there

Given,
Capacity of the cuboidal water tank = 50,000 Litre
We know,
1000 Litre = 1m³
50,000 Litres = 50000/1000 m³= 50m³

Volume = 50m³

Length (l) = 2.5m
Height (or depth) (h)= 10m
Let the breadth be ' b '

Volume = l × b × h

50 = 25/10 × b × 10


b = 2

Thus,
the breadth of the tank is 2m


2. Hey there

Thanks for the question

Given that, x - 2 is a factor

=> x = 2

Equation = kx² - √2 x + 1 = 0

Substituting x = 2 we get,

=> k ( 2 )² - √2 ( 2 ) + 1 = 0

=> 4k - 2√2 + 1 = 0

=> 4k = 2√2 - 1

=> k = ( 2√2 - 1 ) / 4

Hope my answer helped

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Answer 2

Answer:

200m

Step-by-step explanation:

1) Capacity = Volume

Volume of cuboid= length×breadth×height

here, length= 25m

height= 10m

and let the breadth be x

∴ 50000= 25×x×10

∴250x= 50000

∴ x= 200

∴ breadth=200m

Dear friend, the question was a bit wrong . It would be 50000m³ not 50000m