Answer:
The small gear would be spinning at 7.5MPH
Answer:
C. Chad is incorrect because intersecting lines are sometimes perpendicular.
Step-by-step explanation:
SOMETIMES perpendicular (90 degree angle, aka right angle) not always.
The answer is the last choise
Answer:
A 6/7
Step-by-step explanation:
3/4 ÷ 7/8
Copy dot flip
3/4 * 8/7
The numerator is 3*8 = 24
The denominator is 4*7 = 28
24/28
Divide the top and botto by 4
6/7
Answer:
a
Step-by-step explanation:
if the top angle is 90° then the traingle is an isosceles triangle.
meaning that a=b.
this specific traingle is a silver traingle meaning that the ratio of the sides is 1:1:the root of 2.
so if

is 'a' multiplied by the root of two we need to divise it by the root of two to get 'a' and a=b.