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3 years ago

Solve for N 2/7 = 10/N

Mathematics

1 answer:

7nadin3 [17]3 years ago

4 0

Answer:

N=35

Step-by-step explanation:

Given equation is represented as:

2/7 = 10/N

Since the equation is expressed in fractional form, let us multiply both left hand side and right hand side by N:

2/7 * N = 10/N * N

=> 2N/7 = 10

Multiplying both left hand side and right hand side by 7:

2N/7*7 =10*7

=> 2N = 70

Dividing both left hand side and right hand side by 2:

2N/2 = 70/2

=> N = 70/2 = 35

Hence the required value of N is 35.

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2 years ago

Ryan spent 1/3 of his monthly salary for rent and 1/7 of his monthly salary for his utility bill. If $759 was left, what was his

musickatia [10]

Step-by-step explanation:

<h3>Given Information :</h3>

Ryan spent 1/3 of his monthly salary for rent and 1/7 of his monthly salary for his utility bill.
Remaining money = $759

<h3>To calculate :</h3>

His monthly salary.

<h3>Calculation :</h3>

Let us assume his monthly salary as x. According to the question,

➝ Money spent on rent + Money spent for utility bill + Remaining money = His salary

$\longrightarrow\sf {\dfrac{1}{3}x + \dfrac{1}{7}x + 759 = x} \\$

$\longrightarrow\sf {\dfrac{7x + 3x + 15939}{21}= x} \\$

$\longrightarrow\sf {\dfrac{10x+ 15939}{21}= x} \\$

$\longrightarrow\sf {10x+ 15939= 21x} \\$

$\longrightarrow\sf {15939= 21x - 10x} \\$

$\longrightarrow\sf {15939= 11x} \\$

$\longrightarrow\sf {\cancel{\dfrac{15939}{11}}= x} \\$

$\longrightarrow\underline{\boxed{\bf {1449= x}}} \\$

Therefore, his monthly income is $1449.

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3 years ago

What’s 800 in scientific notation

Umnica [9.8K]

Answer:

800 in scientific notation

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3 years ago