3 years ago

What is n+ 7over10=-1over10

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

8 0

Answer:

- 4/5

Step-by-step explanation:

Step 1:

n + 7/10 = - 1/10

Step 2:

n = - 1/10 - 7/10

Answer:

n = - 4/5

Hope This Helps :)

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Step-by-step explanation:

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3 years ago

Alicia's brother is three years younger than twice her age. The sum of their ages is 24. How old is Alicia?

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3 years ago

What is the solution to <br> 4/a+5/3a<3

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$\dfrac{4}{a}+\dfrac{5}{3a} < 3\ \ \ |-3\ \ \ assume\ a\neq0\\\\\dfrac{3\cdot4}{3a}+\dfrac{5}{3a}-\dfrac{3a\cdot3}{3a} < 0\\\\\dfrac{12+5-9a}{3a} < 0\\\\\dfrac{-9a+17}{3a} < 0\iff 3a(-9a+17) < 0\\\\3a=0\to a=0\\\\-9a+17=0\to a=\dfrac{17}{9}$
Look at the picture.
$Answer:\ a\in\left(0;\ \dfrac{17}{9}\right)$