microwave13016
05.05.2020 •
Mathematics
How long is a pipeline that runs diagonally across a square field 6 kilometers on a side?
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Ответ:
the square root of 72 which is approximately 8.5
Step-by-step explanation:
When draw a line diagonally in a square you get 2 right triangles so you can do pathogream theorem on them so a squared plus b squared equals c squared. In this case 6^2 + 6^2 = c^2. By solving you get the answer
Ответ:
-8
Step-by-step explanation: In this problem we're asked to add -3 + -5 so let's use a number line. A negative represents a move the left on the number line and a positive represents a move to the right on the number line.
So starting at 0, -3 tells us to move 3 units to the left along the number line. From there, -5 tells us to move 5 units further to left so you can see from the picture that we end up at -8.
This means that -3 + -5 is -8.