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3 years ago

Jose ran13

Mathematics

2 answers:

ivolga24 [154]3 years ago

7 0

Answer:

1/4 minutes

Step-by-step explanation:

1 minute = 60 seconds

3 minutes = 180 seconds

3 minutes and 15 seconds = <u>195 seconds</u>

13 miles/195 seconds

195/13 = 15

His speed --> <u>1 mile/15 seconds</u>

1/4 minutes = 15 seconds

Pls mark me as brainliest ;)

Tresset [83]3 years ago

6 0

Answer:

you have to find the unit rate first then try to solve

Step-by-step explanation:

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Step-by-step explanation and answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

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3 years ago

Two ships leave the same port in different directions, forming a 120° angle between them. One ship travels 70 mi. and the other

kondaur [170]

Answer : Distance between the ships to the nearest miles = 106.03 ≈ 106 mi.

Explanation :

Since we have shown in the figure below :

a=70 mi.

b=52 mi.

c=x mi.

$\text{Since two ships leaves the same port in different directions forming a }120\textdegree\text{angle between them.}$

So, we use the cosine rule , which states that

$c^2=a^2+b^2-2ab.cosC\\\\x^2=70^2+52^2-2\times 70\times 52\times cos(120\textdegree)\\\\x^2=4900+2704-7280\times (-0.5)\\\\x^2=7604+3640\\\\x^2=11244\\\\x=\sqrt{11244}\\\\x=106.03$

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3 years ago