6 groups of five people
because 30/5 = 6
so 6 groups
Answer:
The answer to your question is the first choice
Step-by-step explanation:
Data
Point = (-2, -5)
Process
Evaluate each of the equations on the point given.
A. y = x - 3
-5 = -2 - 3
-5 = -5 This is true so the point is on this line
B. y = 2x
-5 = 2(-2)
-5 = -4 The result is false so the point is not on this line
C. y = -3x
-5 = -3(-2)
-5 = 6 The result is false so the point is not on this line
D. y = x + 3
-5 = -2 + 3
-5 = 1 The result is false so the point is not on this line
Answer:
a) 279 b)254
Step-by-step explanation:
Mean = 269 days
standard deviation = 8 days
let n be the pregnancy lenght.
using normal distribution formula
z = (n – mean)/ standard deviation
n = z * standard deviation + mean
Now, z values for the top 12% has to be found using a z table.
The top 12% means 88% of area under the curve. In this case z = 1,176
n = 1,176 * 8 + 269
n = 278.4 = 279
The bottom 3% means 97% of area under the curve. In this case z = -1,882
n = -1,882 * 8 + 269
n = 253.94 = 254
Trapizoid area formula = (b1+b2)/2×h
rectangle formula =l×w
trapizoid 1: (12+16)/2×5
trapizoid 2: (12+16)/2×5
rectangle: 10×12
solve
t1 + t2:
(12+16)/2×5
28/2×5
14×5=70 +70=
140 ft^2
r: 10×12=120ft^2
140-120=20ft^2 of wood
