Answer:
18
Step-by-step explanation:
Answer:
Step-by-step explanation:
cos a cos b+sin a sin b=cos (a-b)
cos 160 cos 10+sin 160 sin 10=cos (160-10)
=cos 150
=cos (180-30)
=-cos 30
=-√3/2
The answer is A
It is A because in an isosceles triangle, only 2 sides are congruent and it is possible to have all acute angles eg. 55, 55 and 70
Answer:
Option A Ordinal
Step-by-step explanation:
The most appropriate level of measurements for this category is ordinal measurements. The ordinal measurement allows for the ordering of the data but differences cannot be found for them or finding differences is completely useless using this measurements.
Answer:
-243/5
Step-by-step explanation:
(-243)*1/5
-243/1 * 1/5=
-243/5, -48 3/5, or -48.6