Μ = 64
<span>σ = 3.5 </span>
<span>a) </span>
<span>μ - 3σ = 53.5 </span>
<span>μ - 2σ = 57.0 </span>
<span>μ - σ = 60.5 </span>
<span>μ = 64.0 </span>
<span>μ + σ = 67.5 </span>
<span>μ + 2σ = 71.0 </span>
<span>μ + 3σ = 74.5 </span>
<span>b) </span>
<span>(71 - 64)/3.5 = 2.0 </span>
<span>z = 0.9772 </span>
<span>n = 3000*(1 - 0.9772) </span>
<span>≈ 68
Hope this helps!</span>
Answer:
y = 3.99 + 0.5x
Step-by-step explanation:
y = 3.99 + 0.5x
y = total cost
x = amount of toppings
The height would be the same as the rectangular piece of paper as well as the length so what you would do is you do heights times Lanks divide that by two and you would get the Square inches of the banner hope it helps
Answer:
D
Step-by-step explanation:
Because you are adding to it so it would be a positive
The scale is 1 inch equals 3 feet.
Divide the actual dimensions by 3 to get the number of inches:
8 ft / 3 = 2 2/3 inches
20 ft / 3 = 6 2/3 inches.
The answer is D. 2 1/3 inches by 6 1/3 inches