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2 years ago

3 Markers Cost $5.79. Which Equation Would Help Determine The Cost Of 13 Markers?

2 answers:

6 0

If we know the cost of 3 markers, we need the unit price to set up an equation for 13 since 13 does not divide by 3 nicely.

$5.79 ÷ 3 = $1.93 for each marker.

If m = marker
1.93m will provide the cost of any number of markers.

Nataly_w [17]2 years ago

4 0

First you would find out how much one cost

you do 5.79 / 3= 1.93

then mutliply= 1.93 x 12= $25.09

$25.09 is your answer

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What is the domain and range of relation (4,3)(-2,2)(5,-6)

vazorg [7]

Domain: {-2, 4, 5}
Range {-6, 2, 3}

5 0

2 years ago

Marymount Township secured the construction of a power plant, which opened in 1990. Once the power plant opened

Aleksandr [31]

Answer:

92087,14873

Step-by-step explanation:

Given that Marymount Township secured the construction of a power plant, which opened in 1990. Once the power plant opened in 1990, the population of Marymount increased by about 20% each year for the first ten years and then increased by 5% each year after that

Let P0 be the population in 1990

Then we have in 2000 the population is

$P(2000) = P_0(1.2)^{10}$

with this initial population for next growth we have in 2010 the population would be

$P(1.05)^{10}$ , where P = population is 2000

a) Given that $P(1.05)^{10) = 150000\\P = 150000(1.05)^{-10} =92.086.99\\=92087$

b) we use the exponential equation and solve for initial population in 2000.

c) we have

$P_0(1.2)^{10} =92087\\P_0 = 92087((1.2)^{-10})\\=14872.56\\=14873$

6 0

2 years ago

68,435,190 in word form

Orlov [11]

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Simplify: (sin Θ − cos Θ)^2 − (sin Θ + cos Θ)^3

NemiM [27]

The trigonometric equation (sin Θ − cos Θ)^2 − (sin Θ + cos Θ)^3 can be simplified by:

Using x for Θ:

(sinx - cosx)^2 - (sinx + cosx)^2 
= (sin^2 x - 2sinxcosx + cos^2 x) - (sin^2 x + 2sinxcosx + cos^2 x) 
= - 2 sinx cosx - 2 sinx cosx 
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I hope it has come to your help.

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2 years ago

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Kobotan [32]

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