3 years ago

(11+34-3 to the power of 2)÷(6+6)in order of operation

Mathematics

1 answer:

Brrunno [24]3 years ago

8 0

Answer:

Step-by-step explanation:

(11 + 34 - 3^2) / (6 + 6) =

(11 + 34 - 9) / 12 =

36/12 =

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4 years ago

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3 years ago

Determine the number of possible triangles, ABC, that can be formed given angle A = 30°, a = 4, and b = 6.

Sophie [7]

Answer:

Step-by-step explanation:

Alright, lets get started.

using Sine Law,

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

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

$sinB=0.75$

$angle B = 48.6$

Another angle will be

$angle B' = 180-48.6 = 131.4$

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

considering angle B', angle C' = $180-(131.4+30)=18.6$

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

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Similarly, finding c'

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

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Hence two triangles are possible with below details: : Answer

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