a. The alligator, at one lime an endangered species, was the subject of a protection program. The formula P = − 10 x 2 + 475 x + 3500 models the alligator population. P, after x years of the protection program, where 0 ≤ x ≤ 12 . How long did it take the population to reach 5990 alligators? b. The graph of the formula modeling the alligator population is shown below. Identify your solution from part (a) as a point on the graph.
a. The alligator, at one lime an endangered species, was the subject of a protection program. The formula P = − 10 x 2 + 475 x + 3500 models the alligator population. P, after x years of the protection program, where 0 ≤ x ≤ 12 . How long did it take the population to reach 5990 alligators? b. The graph of the formula modeling the alligator population is shown below. Identify your solution from part (a) as a point on the graph.
a. The alligator, at one lime an endangered species, was the subject of a protection program. The formula
P
=
−
10
x
2
+
475
x
+
3500
models the alligator population. P, after x years of the protection program, where
0
≤
x
≤
12
. How long did it take the population to reach 5990 alligators?
b. The graph of the formula modeling the alligator population is shown below. Identify your solution from part (a) as a point on the graph.
I want to learn this topic l dont know anything about it
Solve the linear system of equations attached using Gaussian elimination (not Gauss-Jordan) and back subsitution.
Remember that:
A matrix is in row echelon form if
Any row that consists only of zeros is at the bottom of the matrix.
The first non-zero entry in each other row is 1. This entry is called aleading 1.
The leading 1 of each row, after the first row, lies to the right of the leading 1 of the previous row.
PRIMERA EVALUACIÓN SUMATIVA
10. Determina la medida de los ángulos in-
teriores coloreados en cada poligono.
⚫ Octágono regular
A
11. Calcula es número de lados qu
poligono regular, si la medida
quiera de sus ángulos internos
• a=156°
A= (-2x+80
2
156 180-
360
0 = 24-360
360=24°
• a = 162°
1620-180-360
6=18-360
360=19
2=360=
18
12. Calcula las medida
ternos del cuadrilá
B
X+5
x+10
A
X+X+
Sx+6
5x=3
x=30
0
лаб
• Cuadrilátero
120°
110°
• α = 166° 40'
200=180-360
0 =
26-360
360=20
ひ=360
20
18 J
60°
⚫a=169° 42' 51.43"
169.4143180-340
0 = 10.29 54-360
360 10.2857
2=360
10.2857
@Sa
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