On August 31, 1854, an epidemic of cholera was discovered in London. England, resulting from a contaminated community water pump, fly the end of September, more than 600 citizens who drank water from the pump had died. The cumulative number of death D ( t ) at a time t days after August 31 is given by D ( t ) = 91 + 160 ln ( t + 1 ) . a. Determine the cumulative number of deaths by September 15. Round to the nearest whole unit. b. Approximately how many days after August 31 did the cumulative number of deaths reach 600?
On August 31, 1854, an epidemic of cholera was discovered in London. England, resulting from a contaminated community water pump, fly the end of September, more than 600 citizens who drank water from the pump had died. The cumulative number of death D ( t ) at a time t days after August 31 is given by D ( t ) = 91 + 160 ln ( t + 1 ) . a. Determine the cumulative number of deaths by September 15. Round to the nearest whole unit. b. Approximately how many days after August 31 did the cumulative number of deaths reach 600?
Solution Summary: The author calculates the commutative number of deaths, by September 15 is 535 with rounded to nearest whole number.
On August 31, 1854, an epidemic of cholera was discovered in London. England, resulting from a contaminated community water pump, fly the end of September, more than 600 citizens who drank water from the pump had died. The cumulative number of death
D
(
t
)
at a time t days after August 31 is given by
D
(
t
)
=
91
+
160
ln
(
t
+
1
)
.
a. Determine the cumulative number of deaths by September 15. Round to the nearest whole unit.
b. Approximately how many days after August 31 did the cumulative number of deaths reach 600?
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
Elementary Statistics: Picturing the World (7th Edition)
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