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max2010maxim [7]
3 years ago
10

It is estimated that approximately one-half of all aluminum cans will be recycled each year. If a soft drink company produces 35

0,000 cans one year, how many cans are still in use after 4 years of recycling and re-using, using this function? Nt = 350,000(0.52)t
Mathematics
1 answer:
Harrizon [31]3 years ago
7 0
350,000×0.52^(4)
=25,590.656
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Evaluate 9 C 5.<br><br> 24 <br><br> 3,024<br><br> 45<br><br> 126
Tanzania [10]
A quics way to do this :-

9C5    = 9*8*7*6*5              3 * 7 * 6   =    126
             -------------        =     
              5*4*3*2*1                 
5 0
3 years ago
Read 2 more answers
Drag the tiles to the correct boxes to complete the pairs. Match the polar equations to their rectangular forms.​
LekaFEV [45]

The correct answer for the polar coordinates will be C, A, E, B, D

<h3>What is a polar coordinate system?</h3>

The polar coordinate system is a two-dimensional coordinate system in which a distance from a reference point and an angle from a reference direction identify each point on a plane. The pole is the reference point, and the polar axis is the ray from the pole in the reference direction.

The conversion relations between rectangular and polar coordinates can be used to find the polar coordinate equivalents. Those relations are ...

x = r·cos(θ)

y = r·sin(θ)

x² +y² = r²

x = 2

Using the expression for x, this is ...

r·cos(θ) = 2

r = 2/cos(θ) . . . . divide by cos(θ)

r = 2·sec(θ) . . . . use the trig identity

x²+y²=36

From above, this becomes ...

r² = 36

r = 6 . . . . . . take the square root

x²+y²=2y

From above, this becomes ...

r² = 2·r·sin(θ)

r = 2·sin(θ) . . . . . . divide by r

x=√3y

Using the above relations, this is ...

r·cos(θ) = √3·r·sin(θ)

1/√3 = sin(θ)/cos(θ) . . . . . . divide by √3·r·cos(θ)

tan(θ) = 1/√3   ⇒   θ = arctan(1/√3)

θ = π/6

x=y

From above, this is ...

r·cos(θ) = r·sin(θ)

1 = sin(θ)/cos(θ) = tan(θ) . . . . divide by r·cos(θ)

θ = arctan(1)

θ = π/4

However, the tangent function is periodic with period π, so θ = arctan(k)+π is also equivalent to the rectangular equation. It is the opposite ray, so forms the complete line when joined with the first ray.

To know more about polar coordinate system follow

brainly.com/question/14965899

#SPJ1

4 0
1 year ago
Read 2 more answers
Solve for y x+2y=6. what's the answer
Luda [366]

Solve for y

x+2y=6

Add (-x) to both sides:

x + 2y + (-x) = 6 + (-x)

Simplify:

2y = 6 - x

  Divide both sides by 2

2y/2 = (6-x) / 2

2y/2 = 6/2 - x/2

  y = 3 - x/2


5 0
3 years ago
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100 POINTS PLEASE HELP ASAP!!!!
Tpy6a [65]

Answer:

Find a number that divides equally in both the numerator and denominator then divide the numerator and denominator by the number you just found an

Step-by-step explanation:

1) Find a number that divides equally in both the numerator and denominator

2) Then divide the numerator and denominator by the number you just found

3) Keep on doing this until you can't divide the numerator and denominator exactly with the number you found

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If 1 kilogram = 2.206 pounds , how many pounds are in a gram
dimaraw [331]

Answer:

0.002206 pounds in a gram

Step-by-step explanation:

2.206/1000 = 0.002206

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3 years ago
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