To find the perimeter, you would add all the sides. Because we know the perimeter, we can represent this as an equation that needs solved.
362 = x + (2x) + (3x + 2), combine the like terms
362 = 6x + 2, subtract 2 from both sides
-2 -2
<u>360</u> = <u>6x</u>, divide both sides by 6
6 6
x = 60 feet
side 1 = 60 feet
side 2 = 120 feet
side 3 = 182 feet
check your work: 60 + 120 + 182 = 362 feet
You multiply 123.22 by .5 , then round to the nearest tenth.
Answer:
x=11
Step-by-step explanation:
Answer:
b. -0.862
Step-by-step explanation:
The only answer choice with a minus sign is B, which is the correct choice.
When the value of interest is below the mean (2800 is below 3550), the z-score will be negative:
z = (2800 -3550)/870 = -750/870 ≈ -0.86207 ≈ -0.862
_____
As always, z is computed as ...
Z = (X -μ)/σ