Metric system is standard or measurement developed in 1670's by Gabriel Mouton. This is a decimal system of measurement for length, mass and volume. The SI unit of length is meters. In the metric system, the spectrum for the units of length is
km hm dkm m dm cm mm
The greatest starts from the left side" kilometer(km), hectometer(hm), decameter (dkm), meter (m), decimeter (dm), centimeter (cm) and millimeter (mm). The same prefixes are applied to units of mass in grams and volume in liters, like milligrams and milliliters. To use the metric system, place 77 mm above the mm scale. To convert it to m, you have to move the decimal place 3 places to the left. Use the scale to guide you. Hence, 77 millimeters is equal to 0.077 meters.
Answer:
Monique made 19 videos
Step-by-step explanation:
If Ana made 12 videos, but Monique made 7 videos more, you would use addition to find the answer.
12 + 7 = 19
Therefore, Monique made 19 videos and Ana made 12 videos.
I hope this helps :)
Answer: It is usefull.
Step-by-step explanation:
The regression squared talks to us about how well the model fits in the experimental data, where 0.0 means that the model does not fit at all, and 100% means that the model fits perfectly.
This is always true? well, really not, there are cases where you can have a regression square of 0.98, which would imply that the model is correct, but when you see the residual vs fit the plot, you may see some pattern, which implies that there is a problem with the model (you always expect to see randomness when you look at this graph). While for a prediction, this actually may work (at least in the range of the data points, outside this range the model and the data may not coincide at all)
Now, it still is useful in a certain range, so we can actually conclude that if R^2 = 0.949 represents a model that is useful for predicting the exam marks.
