Answer:
4x^2 +1656x + 1261
Step-by-step explanation:
X multiply by 4x is 4x^2 (4x squared)
x multiply by 7 is 7x
4x^2+7x
97 x 17x is 1649x
97 x 13 is 1261
1649x+1261
4x^2 + 7x + 1649x + 1261
1649x + 7x is 1656x
4x^2 +1656x + 1261
Answer:
(3x^2-5x-5)/(x^2+x) <--- answer
Step-by-step explanation:
3x/(x+1) - 5/x = (3x^2 - 5(x+1) )/[ x(x+1) ]
= (3x^2 - 5x - 5)/(x^2 + x)
Answer:
Step-by-step explanation:
In ΔACB and ΔCAD,
AD║BC and AC is a transverse [Given]
∠BCA ≅ ∠DAC [Alternate interior angles]
AC ≅ AC [Reflexive property]
BC ≅ AD [Given]
ΔACB ≅ ΔCAD [By SAS property of congruence]
From the second figure,
In ΔJHG and ΔLKH,
JH ≅ LK [Given]
JG ≅ LH [Given]
GH ≅ HK [Given]
Therefore, ΔJHG ≅ ΔLKH [By SSS property of congruence]
Answer:
1 : 1
Step-by-step explanation:
When a circle is inscribed in a cylinder, the height of the cylinder is equal to the diameter of the sphere and the radius of the cylinder is same as that of the sphere.
Let the radius of sphere is r.
height of cylinder, h = 2r
radius of cylinder = r
Surface area of sphere, A = 4πr²
lateral surface area of cylinder, A' = 2 πrh
A' = 2πr x 2r = 4πr²
The ratio of surface area of sphere to the lateral surface area of cylinder is 1 : 1.
Answer:
24
Step-by-step explanation:
