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Molodets [167]
3 years ago
8

Which number is divisible by 3? 41 138 137 136

Mathematics
2 answers:
kondaur [170]3 years ago
5 0

Answer:

The number that is divisible by 3 is 138.

138 divided by 3 is 46.

Hope I helped!

SVEN [57.7K]3 years ago
4 0

Answer:

138

Step-by-step explanation:

A quick way to check for divisibility by 3 is to

  • add the digits together.
  • If that sum is divisible by 3 with no remainder then the original number is divisible by 3 with no remainder.

41: 4 + 1 = 5. 41 is not divisible by 3 There is a remainder.

138: 1 + 3 + 8 = 12 and 12 is divisible by 3 so 138 is. 138 /3 = 46

137: 1 + 3 + 7 = 11  and 11 is not divisible by 3 so 137 isn't either.

136: 1 + 3 + 6= 10 and 10 is not divisible by 3 so 136 isn't.

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If f(x)=x^3-12x^2+35x-24f(x)=x 3 −12x 2 +35x−24 and f(8)=0f(8)=0, then find all of the zeros of f(x)f(x) algebraically.
Neporo4naja [7]

Answer:

The zeros of f(x) are: (x - 1), (x - 3) and (x - 8)

<em></em>

Step-by-step explanation:

Given

f(x)=x^3-12x^2+35x-24

f(8) = 0

Required

Find all zeros of the f(x)

If f(8) = 0 then:

x = 8

And x - 8 is a factor

Divide f(x) by x - 8

\frac{f(x)}{x - 8} = \frac{x^3-12x^2+35x-24}{x - 8}

Expand the numerator

\frac{f(x)}{x - 8} = \frac{x^3 - 4x^2 -8x^2 + 3x + 32x - 24}{x - 8}

Rewrite as:

\frac{f(x)}{x - 8} = \frac{x^3 - 4x^2 + 3x - 8x^2 +32x - 24}{x - 8}

Factorize

\frac{f(x)}{x - 8} = \frac{(x^2 - 4x + 3)(x - 8)}{x - 8}

Expand

\frac{f(x)}{x - 8} = \frac{(x^2 -x - 3x + 3)(x - 8)}{x - 8}

Factorize

\frac{f(x)}{x - 8} = \frac{(x - 1)(x - 3)(x - 8)}{x - 8}

\frac{f(x)}{x - 8} = (x - 1)(x - 3)

Multiply both sides by x - 8

f(x) = (x - 1)(x - 3)(x - 8)

<em>Hence, the zeros of f(x) are: (x - 1), (x - 3) and (x - 8)</em>

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S_A_V [24]

Given:

Consider the below figure attached with this question.

To find:

The value of (f+g)(x).

Solution:

The given functions are:

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Now,

(f+g)(x)=f(x)+g(x)

(f+g)(x)=|x|+9+(-6)

(f+g)(x)=|x|+9-6

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We know that,

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6 0
3 years ago
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Step-by-step explanation:

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Shtirlitz [24]

Answer:

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Step-by-step explanation:

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7 0
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