The first one is 75% i think I dont know if thats the answer though hold on and I'll get you the others
If she has 6 yards and each pillow required 1 yard she can make 6 pillows
Answer:
Step-by-step explanation:
Because vertical angles are always equal, we want to solve .
We can add 10 to both sides to get .
We can subtract from both sides to get .
Lastly, we divide both sides by 20 to get .
So, and we're done!
The check is left as an exercise to the reader.
Answer:
Step-by-step explanation:
Given
Required
First, we calculate the z score
So:
From z probability, we have: