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3 years ago

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The population of a town was 230000. For 12 years, the population grew 4% per year, compounded continuously. When was the popula

tion at the end of the 12 year period according to the exponential growth function?

1 answer:

allochka39001 [22]3 years ago

3 0

Answer:

300098

Step-by-step explanation:

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The music store sold 12 trumoets and 19 clarinets last month. If clariners sell for $139.95 and the store made $4,578.45 from sa

Kamila [148]

Answer:

$159.95

Step-by-step explanation:

Let price of trumphet be defined by $x$

price of clarinet = $139.95

Number of clarinets sold = 19

Earning through clarinets' sale = $19*139.95 = 2659.05$

Total earning of store = $4578.45

Earning through trumphets' sale = $4578.45 - 2659.05 = 1919.40$

price of one trumohet = $\frac{1919.40}{12} = 159.95$

price of clarinet = $159.95

7 0

3 years ago

You plant a rectangular rose garden along the side of your garage. You enclose 3 sides of the garden with 40 feet of fencing. Th

solmaris [256]

Let's assume

length of rectangle =L

width of rectangle =W

You enclose 3 sides of the garden with 40 feet of fencing

so, we get

$L+2W=40$

now, we can solve for L

$L=40-2W$

we know that

area of rectangle is

$A=L*W$

$100=L*W$

now, we can plug

$100=(40-2W)*W$

now, we can solve for W

$-2W^2+40W-100=0$

we can use quadratic formula

$W=\frac{-40+\sqrt{40^2-4\left(-2\right)\left(-100\right)}}{2\left(-2\right)}$

$W=\frac{-40-\sqrt{40^2-4\left(-2\right)\left(-100\right)}}{2\left(-2\right)}$

we can take anyone value ..because both are giving positive value

first dimensions:

$W=2.929$

now, we can find L

$L=40-2*2.929$

$L=34.142$

so, length is 34.142feet

width is 2.929 feet

Second dimensions:

$W=17.071$

now, we can find L

$L=40-2*17.071$

$L=5.858$

so, length is 5.858feet

width is 17.071 feet

6 0

3 years ago

Find the value of x and the measure of the angle labeled 3x.

nalin [4]

Answer:

X=10

Step-by-step explanation:

3x=30

3(10)=30

30=30

30+42=72

I hope this helps!

8 0

2 years ago

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Un sastre vende dos camisas a S/. 60 cada una. En la primera camisa gana 25% de lo que costo hacerla y en la otra pierde 25% de

weeeeeb [17]

Me no speak espanol i thivcyieuqo

Step-by-step explanation:

5 0

3 years ago

If f(x) = 2x-12, evaluate -2f(3) <br><br> PLEASE HELP!!!!!!

mel-nik [20]

I think that’s it f(x)=2x−12

6 0

2 years ago

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