(1) Mara has 4 garden plots. Each is 0.7 acre in area.
2 answers:
Answer:
The total area covered by the garden plots is 2.8 acres.
Step-by-step explanation:
Given that Mara has 4 garden plots.
The area of each garden plot = 0.7 acres
All 4 garden plots have an equal area as shown in the figure (Plots A, B, C, and D)
So, the total area covered by the garden plots = Sum of areas of all the 4 plots
= Area of plot A + Area of plot B + Area of plot C + Area of plot D
=0.7+0.7+0.7+0.7
=2.8 acres.
Hence, the total area covered by the garden plots is 2.8 acres.
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Answer:
Mortality rate is 0.5 per 1000 habitant
the number of deaths have increased (from 210 to 250)
Step-by-step explanation:
Hello
Mortality rate is the number of deaths in a specific population,usually expressed in units of deaths per 1,000 individuals per year
where
S=Mortality rate
D=deaths
P= population
n= is a conversion form ,such as multiplying by 10^{3}=1000, to get mortality rate per 1,000 individuals( we will use n=3)
step 1
asign
S=unknown
D=250
P=500000
n=3, (for each 1000 people)
step 2
Replace
Mortality rate is 0.5 per 1000 habitant
step 3
what if S=0.42
S=0.42(assuming it is 0.42 per 1000,n=3)
D=unknown
P=500000
the number of deaths have increased (from 210 to 250)
Have a great day