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solmaris [256]
3 years ago
5

A population, P, of birds is doubling in size each year, according to the model P = 100(2t), where t reperesents years. What was

the initial population size?
Mathematics
2 answers:
MissTica3 years ago
6 0

Answer:

e groth

Step-by-step explanation:

mina [271]3 years ago
5 0
The initial population size was 200
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A boy walks 6 km from a point P to a point Q on a bearing of 065. He then walks to a point R at a distance of 13 km on a bearing
Usimov [2.4K]

9514 1404 393

Answer:

  1. see below for a sketch
  2. 12 km

Step-by-step explanation:

The distance can be calculated using the Law of Cosines. The angle internal to the triangle at Q is (180°-(146° -65°)) = 99°. Then the distance PR can be found from ...

  PR² = PQ² +QR² -2·PQ·QR·cos(∠PQR)

  PR² = 6² +10² -2·6·10·cos(99°) ≈ 154.77

  PR ≈ √154.77 ≈ 12.44 . . . . km

The distance PR is about 12 km.

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3 years ago
One indicator of physical fitness is a resting pulse rate. Ten men volunteered to test an exercise device advertised on televisi
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Yep that is right I totally agree
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. How many faces does a polyhedron with<br> 20 vertices and 30 edges have?
Alisiya [41]

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12

Step-by-step explanation:

6 0
3 years ago
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In ∆ABC, AC = 15 centimeters, m B = 68°, and m C = 24°. What is BC to two decimal places?
Ahat [919]

B

C

=

16.17

(

2

d

p

)

c

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Explanation:

In triangle ABC, side

A

C

=

15

, Angles are

∠

B

=

68

0

;

∠

C

=

24

0

and

∠

A

=

180

−

(

68

+

24

)

=

88

0

We know by sine law

A

C

sin

B

=

B

C

sin

A

or

15

sin

68

=

B

C

sin

88

or

B

C

=

15

⋅

sin

88

sin

68

=

16.17

(

2

d

p

)

c

m

Step-by-step explanation:

4 0
3 years ago
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What is 817x45 in standerd algorithm pls help
sineoko [7]

Answer:

Step-by-step explanation:

  817

x 45

_______

+   4085

+  32680

__________

36,765

5 0
3 years ago
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