Answer:
Step-by-step explanation:
![6[10] - 5 + 5[10] = 105 \\ \\ 60 - 5 + 50 = 105 \\ \\ 105 = 105](https://tex.z-dn.net/?f=6%5B10%5D%20-%205%20%2B%205%5B10%5D%20%3D%20105%20%5C%5C%20%20%5C%5C%2060%20-%205%20%2B%2050%20%3D%20105%20%5C%5C%20%20%5C%5C%20105%20%3D%20105)
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Answer:
109
Step-by-step explanation:
AB = 180° ( straight line )
X = 180 - 42 - 29
= 138 - 29
= 109
Answer:
14. 1 inch = 96 miles (12 × 8)
1/2 inch = 48 miles (96 ÷ 2)
96 + 48 = 144 miles
3 3/4 = 3.75
144 ÷ 3.75 = 38.4
A. 38.4 mph
15. Adding a negative number is the same as just subtracting.
D. 35(2) - 1/2(15)
20. - = withdrew because you are subtracting
+ = deposited because you are adding
D. Peter withdrew $47.27 and deposited $598, increasing his bank account by $550.73
21. Yana: 7 - 3 + 6 - 1 + 8 - 2 = 15
15 ÷ 6 = 2.5 average
Amber: 1 + 5 - 2 + 4 - 2 + 6 = 12
12 ÷ 6 = 2 average
2.5 - 2 = 0.5
A. Yana's average number of points is 0.5 point greater than Amber's
