Which expression is equivalent to 56 + 21? 7(49 + 14) 8(7 + 21) 8(48 + 13) 7(8 + 3)
1 answer:
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To solve this, we just need to find the distance between the points A and B in the number line, and then, divide that distance by 2.
Remember that the distance formula between tow point in the number line is:
From our point we can infer that
and 
, so lets replace the values:
Now, to find the coordinate of the midpoint, we just need to divide that distance by 2:
We can conclude that the coordinate of the point M, the midpoint of AB, is 4
Remember that the distance formula between tow point in the number line is:
From our point we can infer that
Now, to find the coordinate of the midpoint, we just need to divide that distance by 2:
We can conclude that the coordinate of the point M, the midpoint of AB, is 4
Answer:
Step-by-step explanation:
"The product of negative three and a number." can be written as -3n, or -3 * n, where n is "the number".