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3 years ago

What is the area of this figure?

Mathematics

2 answers:

VashaNatasha [74]3 years ago

8 0

Answer:

104cm^2

Step-by-step explanation:

Area of 1st rectangle

given

l=12cm

w=6cm

A =l×w

=12cm×6cm

=72cm^2

Area of 2nd rectangle

given

l=14-6=8cm

w=4cm

A=l×w

=8cm×4cm

=32cm^2

Total area =72cm^2+32cm^2=104cm^2

Bas_tet [7]3 years ago

6 0

104cm^2 is the area of that figure.

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4 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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1 year ago

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3 years ago

Read 2 more answers

On Novermber 27, 1993, the New York times reported that wildlife biologists have found a direct ink between the increase in the

Korolek [52]

Answer:

a. 1 263 888

b. 130 701

c. 72 years

Step-by-step explanation:

a. The differential equation applies here.

Let the quantity increase for a certain time be given by Q(t)

Every unity of time, the quantity increases by $1+\frac{r}{100}$ so that after the time t, the quantity remaining will be given by:

$Q(t) = (1+ \frac{r}{100} )^{t}$

In a similar manner, the quantity R(t) decreases at a rate given by the following expression:

$1-\frac{r}{100}$ and after the time , t the quantity of R remaining will be given by:

$R(t) = (1-\frac{r}{100} )^{t}$

a. To find the population of humans in 1953

$Q(t) = (1+ \frac{r}{100} )^{t}$

1993 - 1953 = 40 years = t

Q(40) = Q× $1.06^{40}$

Q = 1 263 888.44

≈ 1 263 888

b. For bear population in 1993:

$R(t) = (1-\frac{r}{100} )^{t}$

t = 40

R(40) = $b 0.94^{40} = 11 000$

b = 130 700. 889

≈130 701

c. time taken for black bear population number less than 100 is given by:

130 = 11000× $0.94^{t}$

solving using natural logarithms gives t = 72.72666

= 72 years Ans

8 0

3 years ago