So for the first one what you did was wrong as in wrong formula.
Radius is 5cm as it is given and diameter is double the radius which is 10.
So r=5
And D=10.
For the second one the diameter is 16cm as it is given and radius is half the diameter,so half of 16 is 8cm right?
So r=8
And D=16
Answer:
Answer: 12
Step-by-step explanation:
Answer:
A 5,12,13
Step-by-step explanation:
workout Pythagorean theory and find the hypotenus
Answer:
B
Step-by-step explanation:
The origin means it starts at 0 but because she was given $50 she starts at 50 and increases - this rules out A or C
The fact that she is putting 15 each month means that she will surpass the original $50 in more than 3 months . This means that it is B ( in my opinion)