2 years ago

Choose the solution(s) of the following system of equations x2 + y2 = 6 x2 – y = 6

Mathematics

2 answers:

olasank [31]2 years ago

8 0

Answer: B,D, F, H (or numbers) 2,4,6,8

Every other one on ed

diamong [38]2 years ago

6 0

The system is : (i) x^{2} +y ^{2} =6 and (ii) x^{2} -y=6 rewrite equation (ii) as x^{2}=y+6 and substitute x^{2} in equation (i) with y+6 so equation (i) becomes (y+6)+y ^{2} =6 y ^{2} +y=0 factorize to find the roots

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vegetable ghee is stored in the cylindrical vessel of internal radius 1.4m height 1.5m. if it is transferred into the rectangula

irina1246 [14]

Answer:

5,598 cans are required to empty the vessel

Step-by-step explanation:

The volume of a cylinder of radius r and height h is:

$V = \pi r^2h$

The volume of a box of dimensions X, Y, and Z is:

V=X.Y.Z

A cylinder of r=1.4 m and height h=1.5 is used to store vegetable ghee. It contains a volume of:

$V_1 = \pi 1.4^2*1.5$

$V_1=9.236\ m^3$

Converting to cubic cm:

$V_1=9.236*1,000,000\ cm^3$

$V_1=9,236,282\ cm^3$

The volume of each rectangular tin can is:

$V_2=33*10*5=1,650\ cm^3$

$V_2=1,650\ cm^3$

The number of cans required to empty the vessel is:

$V_1/V_2=9,236,282/1,650 = 5,598$

5,598 cans are required to empty the vessel

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