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3 years ago

N - 3/5 = 2/5 these two are fractions it says find the value of the variable plz help

Mathematics

1 answer:

lianna [129]3 years ago

4 0

Hello!

To solve this equation, you need to follow SADMEP. SADMEP is subtract, addition, division, multiplication, exponents, and parentheses (if you notice it is PEMDAS backwards) when solving algebraic equations. The goal is to get the variable by itself.

n - 3/5 = 2/5 (add 3/5 to both sides - the denominator of both fractions are equal)

n = 1

Therefore, the value of the variable n is equal to 1.

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3 years ago

An object is thrown upward from the top of 80 ft tower.The height h of the object after t seconds is represented by the quadrati

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Step-by-step explanation:

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3 years ago

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Can someone please check this for me?

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Step-by-step explanation:

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3 years ago

What are the solutions of the following system? y=-2x^2 y=x-2

vovikov84 [41]

Answer:

x = 0.781 , y = -1.219

and

x = -1.281 , y = -3.281.

Step-by-step explanation:

Since both of the x terms are equal to y we can equate the x terms:-

-2x^2 = x - 2

2x^2 + x - 2 = 0

x = [-1 +/- √(1^2 - 4*2*-2) ] / 4

= ( - 1 +/- √(17)) / 4

= 0.781, -1.281.

When x = 0.781 y = 0.781 - 2 = -1.219.

when x = -1.281 , y = -1.281 - 2= -3.281.

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3 years ago