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2 years ago

Three differnt way to wright 3,705.692

Mathematics

1 answer:

Aleks [24]2 years ago

6 0

Answer:

3,705.692

Three thousand seven hundred and five thoudand six hundred and ninety two thousandths.

3 thousands, 7 hundreds, 5 ones, 6 tenths, 9 hundredths, 2 thousandths

Step-by-step explanation:

Simple math.

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DaMarcus says the number 24/6 belongs only to the set of rational numbers. Explain his error

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3 years ago

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3 years ago

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Step-by-step explanation:

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2 years ago

What is the value of the expression 2.6x10^9 over 1.3x10^2

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3 years ago

Read 2 more answers

Two lighthouses are located 60 miles from one another on a north-south line. If a boat is spotted S 21o E from the northern ligh

jasenka [17]

Answer:

(A)The northern lighthouse is 8.2 miles closer than the southern lighthouse.

Step-by-step explanation:

The triangle attached represents the given problem.

First, let us determine the distance of the Boat from each of the lighthouse.

In Triangle ABC,

∠A+∠B+∠C=180 degrees

21+∠B+16=180

∠B=180-37=143 degrees.

Using Law of Sines

$\frac{a}{Sin A}=\frac{b}{Sin B}\\\frac{a}{Sin 21^0}=\frac{60}{Sin 143^0} \\\text{Cross Multiply}\\a*sin143=60*sin21\\a=60*sin21\div sin143\\a=35.73 miles$

Similarly

$\frac{c}{Sin C}=\frac{b}{Sin B}\\\frac{c}{Sin 16^0}=\frac{60}{Sin 143^0} \\\text{Cross Multiply}\\c*sin143=60*sin16\\c=60*sin16\div sin143\\c=27.48 miles$

Difference in Distance =35.73-27.48=8.25 miles

Therefore, the northern lighthouse is 8.2 miles closer than the southern lighthouse.

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3 years ago