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Ainat [17]
3 years ago
5

You bought a truck in 2013 for $40,000 and want to sell it. The depreciation is 15% for used cars/trucks. What is the exponentia

l model for this situation?
Mathematics
2 answers:
Rufina [12.5K]3 years ago
4 0

Answer:

By model I'm assuming your meaning equation.

f(x) = 400000(0.85)^n

Step-by-step explanation:

:)

Lady_Fox [76]3 years ago
3 0

Answer:

40,000(0.85^t)

Step-by-step explanation:

The value each year is 100-15 = 85% of the previous year

85% = 0.85

New value after t years is:

40,000(0.85^t)

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Jahnay is following this recipe to make cakes.
klemol [59]

Answer:3

Step-by-step explanation:720 (the amount he uses) and divide it by 240 (which is the amount to make one cake) and it gives you 3

4 0
3 years ago
It is given 5 and h + 1 are the roots of the quadratic equation x² + (k - 1)x - 5 = 0,where h and k are constant.Find the value
Liono4ka [1.6K]

Answer:

Hello,

<u>k=-3 and h=-2</u>

Step-by-step explanation:

5\ is\ a \ root \of \ x^2+(k-1)*x-5=0\\\\5^2+(k-1)*5-5=0\\\\5*(k-1)+20=0\\\\k-1=\dfrac{-20}{5} \\\\k=-4+1\\\\\boxed{k=-3}\\

h+1 is thus a root of x²+(-3-1)*x-5=0

x²-4x-5=0

x²+x-5x-5=0

x(x+1)-5(x+1)=0

(x+1)(x-5)=0

h+1=-1

<u>h=-2</u>

6 0
3 years ago
Cos(0)=square root 3/3, sin 0&lt;0. what is the value of sin0​
abruzzese [7]

Answer:

sin θ = \frac{\sqrt{6} }{3}

Step-by-step explanation:

Given that,

cos θ = \frac{\sqrt{3} }{3}

From the trigonometric functions,

cos θ = \frac{adjacent}{hypotenus}

⇒ adjacent = \sqrt{3}, and the hypotenuse = 3

Let the opposite side be represented by x, applying the Pythagoras theorem we have;

/hyp/^{2} = /adj/^{2} + /opp/^{2}

/3/^{2} = (\sqrt{3} )^{2} + x^{2}

9 = 3 + x^{2}

x^{2} = 9 - 3

   = 6

x = \sqrt{6}

Thus, opposite side = \sqrt{6}

So that,

sin θ = \frac{opposite}{hypotenuse}

        = \frac{\sqrt{6} }{3}

Therefore,

sin θ = \frac{\sqrt{6} }{3}

6 0
3 years ago
Choose the equation below that represents the line passing though the point(-5, 1) with a slope of 2/3
neonofarm [45]
Y=2/3x+7/3 is an equation that passes through the point (-5,1) with a slope of 2/3
3 0
3 years ago
After winning $73,000 on a game show, Jasmine invests the money in a fixed-rate account offering 7.2% interest
KiRa [710]

Answer:

139600

Step-by-step explanation:

just dived all the numbers

5 0
2 years ago
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