The perimeter is 44.5
The area is 72.25
Answer:
For the yes/no bit:
step 1: no
step 2: no
step 3: yes
step 4: yes
step 5: no
for the final answer bit: a = 2 3/5 (the last option)
Step-by-step explanation:
yes/no bit:
step 1 is wrong because she didn't multiply
by -2
step 2 is wrong because she subtracted 1/2 instead of adding it
step 3 is correct because 6 - 1/2 = 11/2
step 4 is correct because she correctly multiplied both sides by 4
step 5 is wrong because she added 5 instead of dividing by -5.
for the final answer bit, I've attached an image below with my working out. hope this helps!
7^2+18^2=49+324
49+324=373
19.31^2 would be your answer
If you convert 0.02 kilometers into centimeters, you would get 2,000 centimeters.
Answer:
y x (0.75+ 5(
Step-by-step explanation: