2 years ago

What value of b will cause the system to have an infinite number of solutions?

Mathematics

1 answer:

Leya [2.2K]2 years ago

3 0

Answer:

-6

Step-by-step explanation:

V = 6x + b

1/2 V -3 x = -3

V - 6x = -6

V - 6x = b

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Step-by-step explanation:

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Aiden wrote a riddle: Five less than 1/5 times a number is the same as the sume of the number and 1/3. Find the number.

Brrunno [24]

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<em><u>Solution:</u></em>

Let "n" be the number

From given,

$\text{ Five less than 1/5 times a number } = \frac{1}{5}n - 5 = \frac{5}{n} - 5$

$\text{Sum of number and 1/3 } = n + \frac{1}{3} =\frac{3n+1}{3}$

Given that,

Five less than 1/5 times a number is the same as the sum of the number and 1/3

Therefore, we get,

$\frac{n}{5} - 5 = n + \frac{1}{3}\\\\Simplify\ the\ expression\\\\n - 25 = 5(n + \frac{1}{3})\\\\n - 25 = 5n + \frac{5}{3}\\\\n - 25 = \frac{15n + 5}{3}\\\\3n - 75 = 15n + 5\\\\12n = -80\\\\n = -6.67$

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3 years ago

If 3 times a certain number is increased by 4 the result is 28. What is the number?

Minchanka [31]

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