<span>Changing the grouping of the addends should not change the sum, according to the associative property of addition. You might group them differently with (50 + 3) + 47, so that you have 50 + (3 + 47). You might not regroup them with (16 + 4) + 5 rather than 16 + (4 + 5).</span>
Answer:
About 555.43 feet
Step-by-step explanation:
The sine of an angle is equivalent to the length of the opposite side divided by the length of the hypotenuse. In this case:
Hope this helps!
Let the number of weeks needed be x
160 + 7x = 210 + 5x
7x - 5x = 210 - 160
2x = 50
x = 25
Ans: After 25 weeks.
Answer:
Step-by-step explanation:
3w + 12 + 2w = 27
5w + 12 = 27
5w = 15
w= 3
