Mathematics: What is the unknown number of n/7= 5/(7/9) ?

What is the unknown number of n/7= 5/(7/9) ?

Ответ:

sosick3595

07.01.2022

Mathematics

For this case we must find the value of "n" of the following expression:

$\frac {n} {7} = \frac {5} {\frac {7} {9}}$

Applying double C on the right side:

$\frac {n} {7} = \frac {9 * 5} {7 * 1}\\\frac {n} {7} = \frac {45} {7}$

We multiply by 7 on both sides of the equation:

$n = 7 * \frac {45} {7}\\n = 45$

Thus, the value of n is 45.

n = 45

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Ответ:

DEVORIA2001

21.12.2020

Mathematics

The answer is value is 10,1-2+8 is B. $2-\frac{n^3}{16} +8$

Step-by-step explanation:

It says the quotient, dividing, of 'a number', which means a variable or unknown number, cubed, which means to the 3rd power, and 16 increased by 8 (which is 16+ 8) and at the beginning it says 2 less than which means -2.

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What is the unknown number of n/7= 5/(7/9) ?

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