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Neko [114]
3 years ago
8

Which statement(s) can be interpreted from the equation for a real estate value, V(t) = 228,000(1.03) where V() represents the v

alue of the real estate and t represents the time in years?
The equation is an exponential growth equation.
O The equation is an exponential decay equation.
The equation is neither exponential decay nor exponential growth.
$220,000 represents the initial cost of a real estate that appreciates 3% per year over the course of tyears.
$228,000 represents the initial cost of a real estate that appreciates 30% per year over the course of years,
$228,000 represents the initial cost of a real estate that depreciates 3% per year over the course of years.
$228,000 represents the initial cost of a real estate that depreciates 30% per year over the course of t years
Mathematics
1 answer:
Bas_tet [7]3 years ago
6 0

Answer:

$220,000 represents the initial cost of a real estate that appreciates 3% per year over the course of t years.

Step-by-step explanation:

Equation for a real estate value: V(t) = 228,000(1.03)^t

Where V(t) represents the value of the real estate

t represents the time in years.

Exponential growth equation:y(t)=a(1+r)^t

Exponential decay equation: y(t)=a(1-r)^t

The given Equation for a real estate value can be written as : V(t) = 228,000(1+0.03)^t

Om comparing with growth and decay equations

We conclude that it is the growth equation

Where r = 0.03 =3%

a=Initial cost = 228000

So, Option B is true

$220,000 represents the initial cost of a real estate that appreciates 3% per year over the course of t years.

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A path 5m wide is to be built along the border and inside a square garden of side 90m. Find the cost of cementing the path at th
gizmo_the_mogwai [7]

Answer:

Total cost of cementing the path = Rs. 17,000.

Step-by-step explanation:

Let the square garden be ABCD

Let the region inside the garden (ABCD) be WXYZ.

<u>Given the following data;</u>

Length of sides of ABCD = 90m

Width of path = 5m

Cost = Rs. 10 per m²

Area of ABCD = 90 * 90

Area of ABCD = 8100m²

<em>To find the area of WXYZ;</em>

WX = WZ = 90 - (5 + 5)

WX = WZ = 90 - 10

WX = WZ = 80m

Area of WXYZ = WX * WZ

Substituting into the equation, we have;

Area of WXYZ = 80 * 80

Area of WXYZ = 6400 m²

Area of path = Area of ABCD - Area of WXYZ

Area of path = 8100 - 6400

Area of path = 1700 m²

Total cost of cementing the path = Area of path * cost

Total cost of cementing the path = 1700 * 10

<em>Total cost of cementing the path = Rs. 17,000</em>

6 0
3 years ago
Movie rentals cost $3.99 each. The cost of renting 3 movies and 1 video game is $.11 less than renting 5 video games - how much
BabaBlast [244]

i know that the three movies are 11.97 but i just cant seem to find the others sorry

6 0
4 years ago
Simplify the expression 3/15-2/25=
hodyreva [135]
45 3
__ / 15 = ___

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5 0
3 years ago
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The equation d = 2t + 8 gives d, the total depth in inches of accumulated snow based on t, the time in hours since a storm began
ruslelena [56]

Answer:

It is expected to fall 2 inches of snow for each additional hour.

Step-by-step explanation:

As we want to find the amount of snow that will fall for each additional hour, we just need to use slope of the equation.

The slope is the value '2' that is together with the variable 't', and it means that if we increase the value of t by 1 unit, the value of d will increase by 2 units.

So we have that for each additional hour, it is expected to fall 2 inches of snow.

7 0
3 years ago
Melanie is looking for a loan. She is willing to pay no more than an effective rate of 9.955% annually. Which, if any, of the fo
lakkis [162]

Answer:

c) A and B, being r(loan a)= 9.699% annually, r(loan b)=9.862% annual

Step-by-step explanation:

Hi, well, let´s transform all this nominal rates into effective annual rates.

Loan A: 9.265% nominal rate, compounded weekly

In order to find the easiest effective rate, we need to divide this rate by 52 (which are the weeks in a year). Once we do that, we convert this effective weekly rate into an effective annual rate. Let´s walk you through all this.

r(E.week)=\frac{0.09265}{52} =0.00178173

Or 0.178173% effective weekly. Now we can transform it into an effective annual rate.

r(e.a)=(1+r(e.week))^{52} -1

r(e.a)=(1+0.00178173)^{52} -1=0.09699

Or 9.669% annual, which is less than 9.955%, so this one is sellected, let´s check the next.

Loan B: 9.442% nominal rate, compounded monthly

Just like we did with Loan A, we need to divide this rate too, only this time, we will divide by 12, therefore obtaining an effective monthly rate.

r(E.month)=\frac{0.09442}{12} =0.00786833

Or 0.786833% effective monthly, let´s turn it into a effective annual rate.

r(e.a)=(1+r(e.month))^{12} -1

r(e.a)=(1+0.00786833)^{12} -1=0.09862

Or 9.862% annual, so this rate would work for Melanie too. This means that option C) is the answer we are looking for but, let´s walk that extra mile and turn that Loan C rate into an annual rate.

r(E.quarter)=\frac{0.09719}{4}=0.0242975

or 2.42975% effective quarterly, now, let´s convert it into an effective annual rate.

r(e.a)=(1+0.0242975)^{12} -1=0.10079

That is 10.079% effective annual, therefore, Loan C is not an option for Melanie.

Best of Luck.

5 0
3 years ago
Read 2 more answers
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