Step-by-step explanation:
x = 5
2×2×2×2×2-5×5
64-25
39
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540 is the answer because the doubled the first number to get the second number and multiplyed that by 3 to get the third number
Step-by-step explanation:
<span>Lines c and d must be parallel. This is because angles 10 and 14 are congruent (i.e. the magnitude of their angles is the same). Both angles share line a, which is intersected by line c (which makes up the other side of angle 10, and line d (which makes up the other side of angle 14).</span>
Based on the way these stations are connected, we can infer that there are <u>56 tubes. </u>
<h3>Number of tubes in Spaceland </h3>
Each pair of stations have 2 tubes. This means that every station is connected to each of the others.
We can therefore infer that each station has 7 tubes to the other stations.
The total number of tubes would therefore be:
= Number of stations x Number of tubes per station
= 8 x 7
= 56 tubes
In conclusion, there are 56 tubes.
Find out more on proportionality problems at brainly.com/question/24822176.
