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Dominik [7]
3 years ago
15

Help please first person to answer it right gets Brainliest

Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

Answer:

its the first one

Step-by-step explanation:

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Two ships leave port at the same time. One travels north at 70 knots (that is, 70 nautical miles per hour), and the other west a
sergeinik [125]

Answer:

99miles is more likely correct

or 114miles as knots is usually higher mileage

Step-by-step explanation:

70^2 + 70^2 = c^2

sqrt 4900 + sqrt 4900 = c^2

sq rt 9800 = c^2 = 98.9949494

99 x 1.1507794480225 = 113.927165 = 114miles if converted to 80.6m/ph

70 Knots is equivalent to 80.554561361578 Miles/Hour. How to convert from Knots to Miles/Hour The conversion factor from Knots to Miles/Hour is 1.1507794480225. To find out how many Knots in Miles/Hour, multiply by the conversion factor or use the Velocity converter.

5 0
2 years ago
Find the height of a square pyramid with volume 37.3 ft3 and dimensions of base 4 ft by 4 ft. Please help!
Ket [755]

\bf \textit{volume of a square pyramid}\\\\ V=\cfrac{1}{3}Bh~~ \begin{cases} B=area~of\\ \qquad its~base\\ h=height\\ \cline{1-1} B=\stackrel{4\times 4}{16}\\ V=37.3 \end{cases}\implies 37.3=\cfrac{1}{3}(16)h\implies 111.9=16h \\\\\\ \cfrac{111.9}{16}=h\implies 6.99375=h

6 0
3 years ago
Read 2 more answers
15. How many tenths are there in?
mash [69]

Answer:

In what?

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
F(x)=2x^2 find f(-3)
vekshin1

Answer:

f(- 3) = 18

Step-by-step explanation:

Substitute x = - 3 into f(x) , that is

f(- 3) = 2(- 3)² = 2(9) = 18

8 0
3 years ago
Read 2 more answers
What is 321.5 Kilometers per hour converted to MPH
inessss [21]
321.5\ kmph\approx\boxed{199.770777\ mph}

By the way, Google has a built in calculator. You can just type in "321.5 kmph in mph" and it will come up with this answer.

You could also use the fact that 1\ km\approx0.621371\ mi,
According to the properties of equality, if you have two equal expressions and you change them in the same way, the results wil also be equal.
So that means we can multiply each side by 321.5 and get our answer above.
6 0
3 years ago
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