Answer:17/18
Step-by-step explanation:
2 (x + 2) + 2 (7) = 32
2x + 4 + 14 = 32
2x + 18 = 32
2x = 32 - 18
2x = 14
2x ÷ 2 = 14 ÷ 2
x = 7
Answer:
answer d: 5
Step-by-step explanation:
Answer:
2 and 14/15
Step-by-step explanation:
Find attached a graph that I constructed.
To do that graph I used Excel.
First I did a table with this set of points:
<span><span><span>height presuure
</span>
<span>
miles psi
</span>
<span>
0
14,7
</span>
<span>
<---- initial data
3.6 7.35
</span>
<span>
<--- increase hegiht 3.6 miles => half pressure
7.2
3.675
</span>
<span>
<---- second increase of 3.6 miles in height
10. 8
1.8375
</span>
<span>
<---- third increase of 3.6 miles in height
14.4
0.91875
</span>
<span>
18 0.459375
</span>
</span></span>
