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3 years ago

What is the answer for. -3x > -15

Mathematics

1 answer:

lana [24]3 years ago

7 0

Answer:

x<5

Step-by-step explanation:

-3x > -15

Divide -3 on both sides:

$\frac{-3x}{-3} >\frac{-15}{-3}$

x<5

*Note the sign switches because

the x is negative. The sign only

switches when the number you

are dividing by is negative.*

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Given α and β are Supplementary. Show the necessary steps.

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Answer:

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Step-by-step explanation:

α and β are Supplementary (given)

$\therefore \alpha + \beta = 180\degree.... (1)$

It is given that:

$\alpha= \frac{3}{2} \beta$

Plugging the value of α in equation (1), we find:

$\frac{3}{2} \beta + \beta = 180\degree$

$\therefore \frac{3+2}{2} \beta = 180\degree$

$\therefore \frac{5}{2} \beta = 180\degree$

$\therefore \beta = 180\degree\times \frac{2}{5}$

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So,

$\alpha = 108\degree, \: \beta = 72\degree$

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