Step-by-step explanation:
the mean value is the sum of all values divided by how many values there are.
so,
(3 + -5 + 70 + -90 + -13) / 5 = -35/5 = -7
-7° F is the mean temperature of the 5 cities.
Answer:
27
Step-by-step explanation:
2:3
18:?
-
2 x 9 = 18
3 x 9 = 27
Answer:
a) m<F = 70
b) AB = 6
Step-by-step explanation:
a)
Since this is an isoceles triangle, the base angles are equal so:
2x + 40 = 180
2x = 140
x = 70
b)
Since all of the angles are equal, this is an equilateral triangle. This also makes all of the sides equal and the same.
Answer:
A: 19
Step-by-step explanation:
x-8+5y
12-8+(5x3)
12-8+15
4+15
19
I hope this helps