Answer:
Hope these helps
Step-by-step explanation:
5 a. 32% of 881 = 281.92
5 b. 39% of 719 = 280.41
6 a. 35% of 441 = 154.35
6 b. 67% of 429 = 287.43
7 a. 21% of 358 = 75.18
7 b. 47% of 6 =2.82
8 a. 67% of 811 = 543.37
8 b.
97% of 311 = 301.67
Stokked 120
how many left?
300-120=180
180/300=x%
percent means parts out of 100
180/300=60/100=60%
60% left
Answer:
or 
Step-by-step explanation:
we know that
Applying the law of cosines

In this problem we have



substitute the values



Answer:
Step 3
Step-by-step explanation:
Given

Required:
Determine the first step where she made mistake
Her Step 1:
--- This is correct because she solved the bracket first
Her Step 2:
--- This is correct because she solved 3^2 as 9
Her Step 3:
--- This is incorrect because 23 * 4 is not equivalent to 9 * 4
Hence, her first mistake is in step 3.
The correct expression would have been

Then

Answer:
scalene
Step-by-step explanation:
When all sides aren't equal.