Evaluate the expression if a= 3 over 4,b=-8,c=-2,d=3

Mathematics

1 answer:

Misha Larkins [42]3 years ago

3 0

Answer:

Step-by-step explanation:

[3(-8+2)]÷3*(-2)=36

-8+2= -6

3×(-6)= -18

0.75×(-2)= -0.5

-18÷(-0.5)= 36

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Given 3 sides of a triangle - how to tell it right, acute, or obtuse 8,11, 16

user100 [1]

Using Pythagorean theorem, we can justify our answer.
if c^2 = a^2 + b^2 then triangle is right one,
if c^2 > a^2 + b^2 then triangle is obtuse and
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Here a=8, b=11 and c=16
Put these values in the equation
16^2 = 8 ^2 + 11^2
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So here c^2 > a^2 + b^2 Which means triangle is obtuse triangle.

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