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nydimaria [60]
3 years ago
8

What is the equivalent expression for 2/3 - 4/5 ?

Mathematics
1 answer:
Brrunno [24]3 years ago
8 0

Answer:

-2/15

Step-by-step explanation:

Generally, if two things are the same, then it is called equivalent. the equivalent expressions are the expressions that are the same, even though the expression looks different.

we can see -

2/3-4/5= -2/15

and

-2/15 = 2/3-4/5

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Sophie [7]

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Step-by-step explanation:

Alright, lets get started.

using Sine Law,

\frac{sinA}{a}=\frac{sinB}{b}

\frac{sin30}{4}=\frac{sinB}{6}

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Another angle will be

angle B' = 180-48.6 = 131.4

considering angle B, angle C = 180 - (48.6+30)=101.4

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\frac{sinA}{a}=\frac{sinC}{c}

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Similarly, finding c'

\frac{sinA}{a}=\frac{sinC'}{c'}

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c'=2.55

Hence two triangles are possible with below details:  :   Answer

A = 30, B = 48.6, C = 101.4, c = 7.84

A = 30, B' = 131.4, C' = 18.6, c' = 2.55

Hope it will help :)

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Answer:

Step-by-step explanation:

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