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sladkih [1.3K]
3 years ago
8

9. An object that has traveled 400 km in 50 hours, what was the average speed?

Mathematics
1 answer:
Effectus [21]3 years ago
4 0

Answer:

its 8

Step-by-step explanation:

Divide 400÷50

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Question 18
Svetlanka [38]

Answer:

Step-by-step explanation:

J and K are equal

8x - 23 = 6x + 11            Add 23 to both sides

8x = 6x + 11 + 23           Combine the right

8x = 6x + 34                  Subtract 6x from both sides

8x - 6x = 34                   Combine the left

2x = 34                           Divide by 2

x = 34/2

x = 17

=================================

M and L are both supplementary to J and K respectively.

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J = 113

K = 113

===================================

M + 113 = 180

M = 180 - 113

M = 67

L = 67

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3 years ago
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