Answer:
58 miles per hour
Step-by-step explanation:
First you need to divide 80 by 10 to see how many miles she was over the speed limit.
80/10 = 8 miles over the speed limit.
The speed limit was 50, so 50 + 8 = 58 miles.
So Cathy was driving at 58 miles per hour
Answer:
x= 56 degree
Step-by-step explanation:
sin x= opposite/ hypotenuse
sin x= 66/79
sin x=0.84
sin-1(0.84)= x
x= 56 degree
Answer:
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Answer:
2.a)31°
b)135°
3.a)72°
Step-by-step explanation:
2a) Angles in a straight line add up to 180°
180-62=118°
since in an isosceles triangle base angles are equal 62÷2=31°
b)sum of interior angles=180(n-2)
180(8-2)=1080°
each angle is 1080÷8=135°
3.a) Exterior angle=360/n
=360÷5=72° each
If AB is the hypotenuse, we have to draw the legs of the triangle and see where they intersect. There are two different possibilities (see the picture attached below). Therefore, the answers are (-3,3) and (-8,-4).