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Lyrx [107]
3 years ago
6

The population P of birds in an area is modeled by the exponential model

Mathematics
1 answer:
Tems11 [23]3 years ago
3 0
(B)Decreasing is the answer
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Find the area of the shaded region. Round to the nearest tenth.
AURORKA [14]

Answer:

3.5 square cm

Step-by-step explanation:

Area \: of \: both \: squares  \\ =  {2}^{2}  +  {3}^{2}  \\  = 4 + 9 \\  = 13 \:  {cm}^{2}  \\  \\ Area \: of \: both \: right \:  \triangle s \\  =  \frac{1}{2}  \times (2 + 3) \times 2 + \frac{1}{2}  \times3 \times 3 \\  = 5 \times 1+ 1.5 \times 3 \\  = 5 + 4.5 \\  = 9.5 \:  {cm}^{2}  \\  \\ Area \: of \:shaded \: region \\  = Area \: of \: both \: squares\\ - Area \: of \: both \: right \:  \triangle s \\  = 13 - 9.5 \\   \purple { \boxed{ \bold{Area \: of \:shaded \: region = 3.5 \:  {cm}^{2} }}}

7 0
3 years ago
How can I solve this question???
eduard

Answer:

144°

Step-by-step explanation:

step 1

Find the measure of the central angle of the regular pentagon

Divide 360 degrees by 5 (the number of sides)

360\°/5=72\°

Let

c----> the center of the pentagon

we know that

m∠ECA=72°

m∠ACB=72°

therefore

m∠ECB=m∠ECA+m∠ACB

substitute the values

m∠ECB=72°+72°=144°

The measure of angle ECB is equal to the degrees that the pentagon rotate

5 0
3 years ago
Caroline is going to invest $5,500 and leave it in an account for 10 years. Assuming
Damm [24]

Answer:

6.1

Step-by-step explanation:

I just know

4 0
3 years ago
What is the x intercept of the graph of 3x-y+6=0
Leto [7]

Answer: It would be 2,0 :) Please tell me if I'm wrong

Step-by-step explanation:

3 0
3 years ago
In an anonymous survey 34 students reported the hours they studied for a statistics final exam. The histogram below shows the re
Darina [25.2K]

Answer:

c

Step-by-step explanation:

we have to use a mean to describe the center

4 0
3 years ago
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