3 years ago

Trig question above plz plz plz help

Mathematics

1 answer:

alukav5142 [94]3 years ago

7 0

The answers are:
1. B
2.C

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What is the answer to 2 2/7 -8/7 can you show me how it done and show me the answer

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4 years ago

A basket containing 100 apples was placed by the road side. The apples were then laid in a straight line along the road side, a

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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' = $180-(131.4+30)=18.6$

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

$\frac{sin30}{4}=\frac{sin101.4}{c}$

$c = 7.84$

Similarly, finding c'

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

$\frac{sin30}{4}=\frac{sin18.6}{c'}$

$c'=2.55$

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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3 years ago

Each decimals is a percent

gtnhenbr [62]

your question is not really a question.

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3 years ago

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fias goal was to raise $5000 to help protect the manatees.She raised $3500.What percent of her goal did she achieve?

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Hello from MrBillDoesMath!

Answer: 70%

Discussion:

Goal = 5000

Amount raised = 3500

Percent of goal reached = ( 3500/5000) * 100 =

0.7 * 100 = 70

Thank you,

MrB

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3 years ago

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