Answer:
n = 2
Step-by-step explanation:
sin 30° = ½
tan 45° = 1
then
sin 30° : tan 45° = 1 : n
½ : 1 = 1 : n
n = 2
Answer:
B.) -6
Step-by-step explanation:
b(x) = x + 4
b(-10) = -10 + 4
b(-10) = -6
Step-by-step explanation:
Answer:
43.4 mph
Step-by-step explanation:
super simple, you can disregard all the speed stuff, since they are both hours, it is useless information. all you have to do is convert distances, so multiply 70 by .62 to get 43.4milers per hour.
if you have any questions, leave them in the comments, i will try to answer them, pls give brainliest if this helps.
1) The angle of depression is complementary to up angle of the right triangle:
=> Angle of depression = 90° - up angle
=> up angle = 90° - angle of depression
2) The angle of depression is equal to the bottom angle of the right triangle.
=> bottom angle = angle of depression.