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Andrej [43]
3 years ago
10

The distance from Earth to Mars is 136,000,000 miles. A spaceship travels at 31,000 miles per

Mathematics
2 answers:
posledela3 years ago
7 0
136,000,000/31,000= how many hours for the spaceship to reach mars
136,000,000/31,000/24= how many days for the spaceship to reach mars
136,000,000/31,000/24 is approx. 182.7 days or 183 days (rounded up b/c of "to the nearest day").
Amiraneli [1.4K]3 years ago
7 0
It will take approximately 183 days for them to get to mars. i found this out by first dividing 136,000,000 by 31,000 and i got 4,387.097. i then divided that by 24 (because 24 hour days) i got 182.7956989247312 and just rounded that off to 183 days  
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ruslelena [56]

Answer:

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Step-by-step explanation:

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2 years ago
Show that if u+v and u-v are orthognal, then the vectors u and v must have the same length.
pashok25 [27]

Answer with Step-by-step explanation:

We are given that

u+ v and u-v are orthogonal

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When two vector a and b are orthogonal then

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By using the property

(u+v)\cdot (u-v)=0

We know that

(a+b)\cdot (a-b)=\mid a\mid^2-\mid b\mid^2

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3 years ago
Points A,B, and C form a triangle. Complete the statements to prove that the sum of the interior angles of ABC is 180 degrees
oee [108]

Answer:

Step-by-step explanation:

            Statements                                                       Reasons

1). Points A, B and C form the triangle           1). Given

2). Let DE be a line passing through             2). Definition of parallel lines

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3). ∠3 ≅ ∠5 and ∠1 ≅ ∠4                                3). Theorem of Alternate

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4). m∠1 = m∠4 and m∠3 = m∠5                      4). Definition of alternate angles

5). m∠4 + m∠2+ m∠5 = 180°                           5). Angle addition and definition

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6). m∠1 + m∠2+ m∠3 = 180°                            6). Substitution

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2 years ago
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Answer:

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Step-by-step explanation:

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