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mihalych1998 [28]
2 years ago
9

Is this true or false? w(5)=w(-5)

Mathematics
1 answer:
attashe74 [19]2 years ago
8 0

Answer:

<h2><u><em>False</em></u></h2>

Step-by-step explanation:

Is this true or false:

w(5)=w(-5)

we give the value 1 to w to keep it simple

1 ( 5 ) = 1 (-5 )

5 = -5

<em>It's false</em>

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The population of Collin County, which follows the exponential growth model, increased from 491,675 in 2000 to 782,341 in 2010.
Luden [163]

Answer:

p=ak^t

p1=491272*k^0

p2=782341*k^10

782341/491272 = k^10

k=1.047629

growth rate is 4.7629%

2012: predicted population is 491272*1.047629^12=858,642 people

1245863=491272*1.047629^t

1.047629^k=2.5363599

ln both sides is k ln 1.0476=ln 2.5363

t=20.000 years.

Rule of 72 would say 72/4.76 or 15.12 years for doubling

14.90 years

2017 predicted is 491272*1.0476^17 or 1083552, or more than actual, so the rate of growth is slowing down.

6 0
3 years ago
HELP HELP PLEASE!!!! D: WHICH TRIANGLES ARE SIMILAR TO TRIANGLE ABC?
Andreas93 [3]

Answer:

HGI

Step-by-step explanation:

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8 0
2 years ago
Please help ASAP!ill give brainliest !
Vinil7 [7]
The vertex is at (0, 3) so y=a(x-0)²+3, which is y=ax²+3
next, use a given point to find a: 10=a(3)²+3, so 9a=7, a=7/9
the equation is then y=\frac{7}{9}x^2+3

as for the first question, the shape is an ellipse, the domain is -5≤x≤5, the range is -3≤y≤3 

the equation can be written as :\frac{x^2}{25}+ \frac{y^2}{9} =1
5 0
3 years ago
Solve for the missing angles in the diagram below
Alexandra [31]

Answer:

∠8 = 40°, ∠6 = 50°, ∠9= 140°

Step-by-step explanation:

∠8 = 40° (vertically opposite angles are congruent)

now, using angle sum property of triangles

∠6 + 90° + 40° =  180°

∠6 = 180° - 130°

∠6 = 50°

and, using exterior angle property,

50° + 90° = ∠9 = 140°

4 0
2 years ago
2 The value of a boat depreciates by 16% each year.
Vera_Pavlovna [14]
At the end of 2015 the value of the boat would be

$38,525.76
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3 years ago
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