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babymother [125]
2 years ago
9

PLEASE HELP 3/4% of 120 equals

Mathematics
2 answers:
sammy [17]2 years ago
7 0

Answer:

90

Step-by-step explanation:

so first do 120 divided by 4 is 30. Then multiply it by 3 to get 90.

Temka [501]2 years ago
4 0

\huge\text{Hey there!}

\large\boxed{\rm{\dfrac{3}{4}\% \ of\ 120}}

\large\boxed{\rm{= \dfrac{3}{4}\% \times120}}

\large\boxed{\rm{= \dfrac{3}{4}\div100\times120}}

\large\boxed{= \dfrac{3}{400}\times\dfrac{120}{1}}

\large\boxed{\rm{=\dfrac{3\times120}{400\times1}}}

\large\boxed{\rm{= \dfrac{360}{400}}}

\large\boxed{\rm{= \dfrac{360\div40}{400\div40}}}

\large\boxed{\rm{= \dfrac{9}{10}}}

\huge\boxed{\textsf{Therefore, your answer is: \boxed{\mathsf{\dfrac{9}{10}}}}}\huge\checkmark

\large\text{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

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Você é um comandante de uma espaçonave. Sua missão é chegar até Alfa Centauro em cinco anos. A distância do Sol até Alfa Centaur
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Answer:

The spaceship will get to Alpha Centaur in time

Step-by-step explanation:

<u><em>The complete question in English is</em></u>

You're the commander of a spaceship. Your mission is to reach Alpha Centaur  in five years. The distance from the sun to Alpha Centaur is 2.5 x 10^13 miles. The distance  from Earth to Sun is approximately 9.3 x 10^7

miles. Your spaceship can travel  at the speed of light. You know that light can travel a distance of 5.88 x 10^12  miles in a year. Can you get to Alpha Centaur in time?

step 1

Find the time it takes for the spaceship to travel from Earth to the Sun

The distance from the Earth to Sun is equal to

9.3*10^7\ miles

The spaceship can travel  at the speed of light

The light can travel a distance of 5.88*10^{12}\ miles in a year

so

using a proportion

\frac{5.88*10^{12}\ miles}{1\ year}=\frac{9.3*10^7\ miles}{x}\\\\x=(9.3*10^7)/5.88*10^{12}\\\\x=1.58*10^{-5} \ years

This time is very small in years

Convert to minutes

1.58*10^{-5} \ years=1.58*10^{-5} (365)(24)(60)=8.3\ min

step 2

Find the time it takes for the spaceship to travel from the Sun to Alpha Centaur

The distance from the the Sun to Alpha Centaur is equal to

2.5*10^{13}\ miles

The spaceship can travel  at the speed of light

The light can travel a distance of 5.88*10^{12}\ miles in a year

so

using a proportion

\frac{5.88*10^{12}\ miles}{1\ year}=\frac{2.5*10^{13}\ miles}{x}\\\\x=(2.5*10^{13})/5.88*10^{12}\\\\x=4.25\ years

4.25\ years< 5\ years

therefore

The spaceship will get to Alpha Centaur in time

3 0
3 years ago
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