If CDEF ≅ MNPQ, then ≅ DE ≅
2 answers:
Answer:
The correct option is a.
Step-by-step explanation:
It is given that CDEF ≅ MNPQ.
We need to find the side of MNPQ which is congruent to the side DE.
The corresponding parts of congruent figures are congruent.
Since CDEF ≅ MNPQ, therefore the corresponding sides of both figures are congruent.
The side NP is congruent to side DE. Therefore the correct option is a.
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Answer:
The actual number of calories that Mya burned when she
trained for 30 minutes is 240.
Step-by-step explanation:
We have an exponential function that is the best fit for the number of calories Mya burns, in function of time (minutes).
The function is:
Where y: calories burned, and x: training time.
Whenever we use regression models, we have a real value and a predicted value. The difference between them, the measure we want to minimize when we adjust with this typo of models, is called residual.
In the table is shown as one of the columns.
For example, for x=10 minutes, we have a real value of 30 and a predicted value of 78.36, so the residual becomes e=30-78.36=-48.36.
For x=30 minutes, we have only the residual, that has a value of 5.53. That means that the predicted value, which we can calculate, is 5.53 below the real value.
The predicted value for x=30 is:
Using the equation for the residual e, we can calcualte the actual number of calories that Mya burned in 30 minutes: