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Levart [38]
3 years ago
7

Caritas 37 coins on nickels and dimes in his piggy bank the value of the coins is $3.10 write a system of equations define the v

ariables
Mathematics
1 answer:
stiv31 [10]3 years ago
7 0

Answer:

x is number of nickels

y is number of dimes

0.05x  + 0.10y = 3.10

x + y = 37

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Draw a circle then you divide it into thirds, then you grab your penicl and shade one of those three sections. That is how you show 1 third shaded

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Stephen receives 20 minutes of video game time every 45 minutes of dog walking he does. If he wants 90 minutes of game time, how
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A triangle has points dallas, destination 1, and destination 2. the distance from dallas to destination 1 is 720 miles, and the
timurjin [86]

The distance from the second destination back to Dallas is 918 miles

<h3>Given</h3>

A triangle has points Dallas, destination 1, and destination 2.

The distance from Dallas to destination 1 is 720 miles

The distance from destination 1 and destination 2 is 290 miles

the angle formed between Dallas, destination 1, and destination 2 is 125 degrees.

He moves from destination 1 to Dallas then destination 2

We could use cosine law to find the distance

<h3>What is cosine law?</h3>

The Law of cosines or cosine law means the relation between the length of sides of a triangle with respect to the cosine of its angle. It is also called the cosine rule

b^{2}=a^2+c^2-2ac*cosB

=290^2+720^2-2*720*290*cos125

=84100+518400-417600 cos 125

=602500-417600*(-0.5735)

=602500+239493.6

=841993.6

b=917.6 miles

≅918 miles

The distance is 918 miles  he will fly from the second destination back to Dallas

Learn more on Distance here:

brainly.com/question/23183268

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