We add up all those numbers (excluding 30) and divide by the number of numbers (9). This results in 78.8 (round up to 79).
79-74 = 5. So the mean has increased by 5 points. (C)
Answer:
no triangle can be formed with the given values (i.e 0 triangle).
Step-by-step explanation:
Given;
length of side a, = 10
length of side b, = 40
angle A, = 30°
Apply sine rule to determine the angle of the second side (B);

The maximum sine function is 1, there is no sine function that will be equal to 2, so there is no triangle that can be formed with the given values.
The answer to this question is d because 7 is in the ten-thousand's place and another 7 is in the thousand's place.
Answer: Yes, because he will be spending a total of $39 dollars.
Step-by-step explanation
$13 + $13 + $13 = $39
Remember that finding common denominators is only one of the strategies for comparing fractions