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Elena-2011 [213]
3 years ago
5

Calculate the areas of the rectangle 8 cm 3 cm

Mathematics
1 answer:
IRISSAK [1]3 years ago
5 0

Answer:

Rectangle A: 22 cm

Rectangle B: 25.8 cm

Step-by-step explanation:

To find the area, we multiply the size of the two sides.

8 x 2 = 16

3 x 2 = 16

Now, we have to add 16 and 6.

16 + 6 = 22

To find the area, we multiply the size of the two sides.

5.2 x 2 = 10.4

7.7 x 2 = 15.4

10.4 + 15.4 = 25.8

The answers are:

  • 22 cm
  • 25.8 cm

Hope this helps!

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Step-by-step explanation:

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Help me with this question pleases .
V125BC [204]

Answer:

56

Step-by-step explanation:

2 times 4 = 8

area of a triangle = b/2

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The spread of a flu virus on a college campus is modeled by y= 5000/(1+4999e^-0.8t), where y is the number of students infected
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Answer:

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Step-by-step explanation:

       5000

y=  -----------------

    (1+4999e^-0.8t)

a)  after 8 days  means t =8


       5000

y=  -----------------

    (1+4999e^-0.8*8)

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y=  -----------------

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y=  -----------------

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y=  -----------------

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y =537.28

Rounding to the nearest student

y = 537 students


b)  1/2 the student population  means y =2500  (The 5000 is the student population)

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2500=  -----------------

        (1+4999e^-0.8t)

Multiply each side by  (1+4999e^-0.8t)

2500 (1+4999e^-0.8t) = 5000

Divide each side by 2500

(1+4999e^-0.8t) = 5000/2500

(1+4999e^-0.8t) = 2

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(4999e^-0.8t) = 2-1

(4999e^-0.8t)=1

Divide by 4999

(4999/4999e^-0.8t)=1/4999

e^-0.8t=1/4999

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Divide by -.8

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t = -1/.8 *ln(1/4999)

t≈10.6462

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7 0
3 years ago
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RideAnS [48]

Answer:

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Step-by-step explanation:

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By substituting the measures of the given angles,

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Answer:

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