2 years ago

Simplify. Please help!!

Mathematics

1 answer:

kirill [66]2 years ago

3 0

Answer:

m√n+2n-n√m

Step-by-step explanation:

4√n^2+√m^2n-√4n^2-√mn^2

m√n+2n-n√m

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elena-14-01-66 [18.8K]

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3 years ago

Barry spent 1/5 of his monthly salary for rent and 1/7 of his monthly salary for his school loans. If $851 was left, what was hi

Effectus [21]

Answer:

1295$

Step-by-step explanation:

Let's denote the monthly salary of Barry A.

Then we have:

A - (1/5)A - (1/7)A = 851

(35A - 7A - 5A)/35 = 851

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3 years ago

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2,3

Step-by-step explanation:

They are the closest angles to 4.

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2 years ago

Cows and Chickens

Lesechka [4]

Answer:

27 Chickens

Step-by-step explanation:

<em>Represent the chicken with A and the cows with B</em>

Given

$A + B = 30$

A has 2 legs and B has 4; So:

$2A + 4B = 66$

Required

Determine A and B

Make B the subject of formula in the first equation

$B = 30 - A$

Substitute 30 - A for B in the second equation

$2A + 4(30 - A) = 66$

Open the bracket

$2A + 120 - 4A = 66$

Collect Like Terms

$2A - 4A = 66 - 120$

$-2A= -54$

Divide through by -2

$A = 27$

<em>Hence, the farmer has 27 chickens</em>

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3 years ago