3 years ago

Solve (x + 1)2 – 4(x + 1) + 2 = 0 using substitution. u = x 4(x +1) x +1 (x + 1)2

Mathematics

1 answer:

marta [7]3 years ago

4 0

no substituion only rea numbersStep-by-stion:

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Which one is bigger 95.580 or 95.58

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They're both equal. The zero in 95.580 doesn't matter in this comparison.

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3 years ago

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Kevin is 6 years older than Timothy. 4 years ago, Kevin was twice as old as Timothy. Find their present ages.

Novosadov [1.4K]

Step-by-step explanation:

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3 years ago

A right cone has a radius of 13 cm and a slant height of 20 cm. Find its surface area.

devlian [24]

Answer:

$A=1347.7\ cm^2$

Step-by-step explanation:

Given that,

Radius of a cone, r = 13 cm

Slant height of the cone, l = 20 cm

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$A=\pi rl +\pi r^2$

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3 years ago

Find the zero of the following function: f(×)=(×-1)/(×-3)

nlexa [21]

Answer:

$\boxed{\sf \ \ x = 1 \ \ }$

Step-by-step explanation:

Hello,

First of all we need to take x different from 3 as dividing by 0 is not allowed

then for x real different from 3

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4 years ago

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19. the first side of a triangle measures 4in less than the second side, the third side is 3 in more than the first side, and th

Harman [31]

Answer:

the third side is 5 2/3 in.

s - 1

Step-by-step explanation:

a = side 1

b = side 2

c = side 3

a + b + c = 15

a = b - 4 => b = a + 4

c = a + 3

a + a + 4 + a + 3 = 15

3a + 7 = 15

3a = 8

a = 8/3 = 2 2/3 in

b = a + 4 = 6 2/3 in

c = a + 3 = 5 2/3 in

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3 years ago