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2 years ago

PLEASE HELP!!!

Mathematics

1 answer:

Klio2033 [76]2 years ago

6 0

Answer:

The answer is A and B

Step-by-step explanation:

y-y=m(x-x)

y-(-3)=m(x-(-5))

y+3=0.4(x+5)

y-y=m(x-x)

y-1=0.4(x-5)

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The population of a county is growing at a rate of 9% per year, compounded continuously. How many years will it take for the pop

torisob [31]

Answer:

$t=15.4\ years$

Step-by-step explanation:

The exponential growth function compounded continuously is equal to

$A=P(e)^{rt}$

where

A is the final population

P is the initial population

r is the rate of growth in decimal

t is Number of years

e is the mathematical constant number

we have

$A=4x\\P=x\\ r=9\%=9/100=0.09$

substitute in the function above

$4x=x(e)^{0.09t}$

simplify

$4=(e)^{0.09t}$

Take natural log of both sides

$ln(4)=ln[(e)^{0.09t}]$

$ln(4)=0.09t(ln(e))$

$ln(e)=1$

$ln(4)=0.09t$

$t=ln(4)/0.09$

$t=15.4\ years$

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3 years ago

What is the median of 3 3 4 5 5 5 6 6 6 7 8

Zigmanuir [339]

Answer:

Step-by-step explanation:

The median is the middle number of the list when put in order from smallest to largest

3 3 4 5 5 5 6 6 6 7 8

There are 11 numbers so the middle number is the 6th ( 5 on the left and 5 on the right

3 3 4 5 5 5 6 6 6 7 8

7 0

3 years ago

Read 2 more answers

PLEASE HELP QUICK !!!!

polet [3.4K]

Answer:

fx is 4, gx is 3, hx is anything greater than, not equal to, 4.

Hope this helps!

3 0

2 years ago

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Order the decimals from least to greatest.<br><br> 0.7, 0.71, 0.07

Artemon [7]

Answer:

0,07, 0.7, 0.71

Step-by-step explanation:

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3 years ago

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Cos(3x)=Sqaure roote 2 / 2

Tems11 [23]

$\huge\rightarrow{{ \underline{ Answer \: \: ✓ }}}$

<h3 />

$\huge\boxed{x = 15°}$

<h3 /><h3>Solution : </h3>

$\cos(3x) = \dfrac{ \sqrt{2} }{2}$

$\cos(3x) = \dfrac{1}{ \sqrt{2} }$

$\cos(3x) = \cos(45)$

$3x = 45$

$x = 15$

The measure of x = 15°

$\#TeeNForeveR$

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3 years ago