-12 is the answer Hope this helps
Answer:
x = 40°
Angle A: 118°
Angle B: 120°
Angle C: 62°
Angle D: 60°
Step-by-step explanation:
When a quadrilateral is inscribed inside a circle, opposite angles add up to 180.
(x + 20) + 3x = 180
4x + 20 = 180
4x = 160
x = 40°
Angle A: 2(40) + 38 = 118°
Angle B: 3(40) = 120°
Angle C: 180 - 118 = 62°
Angle D: 40 + 20 = 60°
Mean: 11
Median: 9
Mode: 7
Mean is when you add up all of the numbers, then you take the sum you get and divide by the amount of numbers you have. So in this case, it’d be 154 (the sum) divided by 14 (the amount of numbers you have).
Median is when you put all of your numbers in ascending order and then find the middle number. In this case, the amount of numbers we had were even, so the middle numbers were 8 and 10. In between of these two numbers, is the number 9. So as a result, 9 is your answer.
Mode is the number that you see the most in a set of number. In this case, 7 is repeated 3 times, unlike other numbers, which happens to be the most. So, 7 is your answer for the mode.
Answer:
The length of DF is 15
Step-by-step explanation:
Since the two lines are equal, which is given by the markings on the triangle, then you can set the two lengths equal and find x.
7x - 13 = 3x + 3
4x - 13 = 3
4x = 16
x = 4
Now that we know x = 4, we can plug into the DF length to find its amount.
DF = 7x - 13
DF = 7(4) - 13
DF = 28 - 13
DF = 15
Answer:
yes
Step-by-step explanation:
because it is repeating desimal