Answer:
5 cm
Step-by-step explanation:
We know these are similar triangles, so we can use ratios of side lengths
x/40 = 4/32
Using cross products
32x = 4*40
32x = 160
Divide each side by 32
32x/32 = 160/32
x =5
Answer:
The top left.
Step-by-step explanation:
You can use the vertical line test in order to prove if something is a function. If you place a vertical line on the graph and it intersects more than one point on the x-axis, it is not a function. Functions do not have overlapping x variables.
Answer:
monke
Step-by-step explanation:
monkey
Answer:
a) r = 5
b) false
Step-by-step explanation:
study about GP
Answer:
21.25
Step-by-step explanation:
85/4 = 80/4+5/4 = 20 + 1 + 1/4 = 21 + 0.25 = 21.25