aliyahadekoya
07.09.2020 •
Mathematics
Point Q is the midpoint between points P and R on a number line. If the coordinate of point Q is 6 and the coordinate of point P is -5, what is the coordinate of point R? Group of answer choices
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Ответ:
Step-by-step explanation:
Given
Midpoint: Q
Required
Determine R
Since Q is the midpoint, then
Substitute values for P and Q
Multiply both sides by 2
Add 5 to both sides
Ответ:
139
Step-by-step explanation:
(10x - 21)= (9x-5)
x=16
(9(16)-5)= 139