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aleksley [76]
3 years ago
12

The space shuttle travels at about 28,000 km per hour. Using that information, estimate how many hours it will take the shuttle

to reach Saturn from Earth. (Assume both planets are aligned with the sun and are on the same side of the sun.)
Mathematics
1 answer:
Gekata [30.6K]3 years ago
6 0

Answer:

t = 42857.14 h

Step-by-step explanation:

Given that,

The speed of space shuttle, v = 28000 km/h

We know that, the distance between the Saturn and the Earth is 1,200,000,000 km.

Let t be the time.

As we know, speed = distance/time

So,

t=\dfrac{d}{v}\\\\t=\dfrac{1,200,000,000}{28000}\\\\t=42857.14\ h

So, the required time is equal to 42857.14 hours.

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julia-pushkina [17]

Answer:

111\ grams\ of\ zinc

Step-by-step explanation:

Let

x -----> grams of zinc

y ----> grams of copper

we know that

\frac{x}{y}=\frac{3}{17} -----> equation A

For y=629 grams of copper

substitute in the equation A and solve for x

\frac{x}{629}=\frac{3}{17}

x=\frac{3}{17}(629)

x=111\ grams\ of\ zinc

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Molly has $45 in her wallet, which is 3 times as much as her brother has
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Answer:$15

Step-by-step explanation:

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Vitek1552 [10]

Answer:

The alternative hypothesis will state that there is significant difference between the mean list price of a three bedroom home and the mean list price of a four bedroom home.

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Step-by-step explanation:

This would be an two-sample hypothesis test for the difference between two means.

As we are looking for differences, we are not testing if one population mean is bigger than the other. This will  be a two-tailed test and the alternative hypothesis will have a unequal sign.

The alternative hypothesis will state that there is significant difference between the mean list price of a three bedroom home and the mean list price of a four bedroom home.

This can be written as:

H_a:\mu_1-\mu_2\neq 0

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Araceli uses 7.7 pints of white paint and blue paint to paint her bedroom walls.
Dima020 [189]

Answer:

3.08

Step-by-step explanation:

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HELP WILL GIVE CROWN I NEED HELP FAST!!!!!!!!!!
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Answer:

Today: Monday, 12 October 2020

Hour: 09.57 WIB (in Indonesian)

<u>_________________________</u>

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