Answer:
960!
Step-by-step explanation:
25/5=5. 400/5=80. 80 people would enter in 5 minutes. 5x12=60, and 80x12=960!
Answer:
10.45?
Step-by-step explanation:
She beat her goal. her total was 7 miles and 1/12 as she ran .1 miles longer find the lcd of 4 and 3 wich is 12 and add the num. to get 13 and that simplifed is 1 1/12+6 which is 7.1 or
7 1/12 mules
Perimeter is the sum of all the sides of the shape
do you know the length of each side of the parallelogram?
Answer:
B. 95% confident the average concentration of PCBs in the water supply is between 2.9 ppb and 3.5 ppb
Step-by-step explanation:
You are given the total number of samples, the concentration of lead, and the standard deviation. The standard deviation represents how inaccurate the estimation of the concentration of lead in the drinking water. This means that there can only possibly be a 0.3 ppb error in the estimation. 3.2-0.3=2.9, and 3.2+0.3=3.5
