3 years ago

Math question, please help me!!

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

3 0

Answer:

Sorry I am a little confused about the answer

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a train covers a distance at an average speed of 60km / hr in 12 hours. what should be the speed of the train if the same distan

olya-2409 [2.1K]

Step-by-step explanation:

Distance = speed x time = 60 x 12 = 720 km. Speed = 72 km / h

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3 years ago

What is (-2)( 3 4/7) A)-7 1/6 B)-6 6/7 C)-2 3/7 D)-1 2/7

Elan Coil [88]

Answer: The answer is most likely A.

Step-by-step explanation:

The expression (-2) x (3 4/7) is equal to:

-50/7 (exact form)

-7.14285714286 (decimal form)

-7 1/7 (mixed number form)

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3 years ago

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dexar [7]

Answer:

Step-by-step explanation:

Tye answer is 30 because all the measures in a triangle are equal to 180 degrees. That would equal 30 + 60 + 90 = 180

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3 years ago

-2.2 + 0.3z= 3 -0.5z -0.8z what does z equal

wariber [46]

$-2.2 + 0.3z= 3 -0.5z -0.8z \\ \\ 0.3z - 2.2 = 3 - 0.5z - 0.8z \\ \\ 0.3z - 2.2 = 3 - 1.3z \\ \\ 0.3z = 3 - 1.3z + 2.2 \\ \\ 0.3z = -1.3z + 5.2 \\ \\ 0.3z + 1.3z = 5.2 \\ \\ 1.6z = 5.2 \\ \\ z = 3.25 \\ \\$

The final result is: z = 3.25.

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4 years ago

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7nadin3 [17]

Answer:

Step-by-step explanation:

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