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harkovskaia [24]
3 years ago
13

Your car cost $42,500 when you purchased it in 2015. The value of the car decreases by 15% annually. How much is your car going

to be worth in 2021?
Mathematics
1 answer:
Vika [28.1K]3 years ago
3 0
Answer:
$16,028.85

Working out:
(On calculator) 42,500 x 0.85^6
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Consider the following.3x + 3y = 8(a) Find y' by implicit differentiation.(b) Solve the equation explicitly for y and differenti
ludmilkaskok [199]

Answer:

a.y'=-1

b.y'=-1

c.Yes

Step-by-step explanation:

We are given that consider a function

3x+3y=8

Implicit function: That function is a relation in which dependent variable can not be expressed in terms of independent variable

Explicit function: It is that function in which dependent variable can be expressed in terms of independent variable.

a.3x+3y=8

Differentiate w.r.t x then we get

3+3\frac{dy}{dx}=0

3\frac{dy}{dx}=-3

\frac{dy}[dx}=\frac{-3}{3}=-1

\frac{dy}{dx}=y'=-1

b.3x+3y=8

3y=8-3x

y=\frac{8-3x}{3}

Differentiate w.r.t x then we get

\frac{dy}{dx}=\frac{-3}{3}=-1

\frac{dy}{dx}=y'=-1

When we substituting the value of y obtained from part b into a solution of part a then we get

y'=-1

Hence, solutions are consistent.

8 0
2 years ago
Every 2.5 hours, a machine produces 150 baskets.
drek231 [11]

Answer:

60

Step-by-step explanation:

We use unit rate function,

Let h be hours

Let b be baskets

2.5h = 150b

We divide both sides by 2.5

2.5h/2.5 = 150b/2.5

Which will give us

h = 60

7 0
3 years ago
What is the area of the triangle (-5,-2) (3,-1)
max2010maxim [7]

idk

Step-by-step explanation:

im to tired this sucks

3 0
3 years ago
2 1/4 divided 1 2/5 HELP ASAP !!
Kobotan [32]
The answer is 9/10 but also 0.9
5 0
3 years ago
F F 2 X LIGI OM -8 What is the slope of a line parallel to line ? O A. A line parallel to line r has an undefined slope. OB. OC.
siniylev [52]

it would be 0 as its a 0 slope, hence forth the parallel line would also be 0!

7 0
2 years ago
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