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3 years ago

6

The total length of a beach is 14.4 kilometers. If lifeguards are stationed every 0.06 kilometers, including one at the end of t

he beach, how many lifeguards will there be on the beach?

1 answer:

belka [17]3 years ago

5 0

Answer:

240

Step-by-step explanation:

Divide 14.4 by 0.06, as the total distance is 14.4 kilometers and lifeguards are stationed every 0.06 kilometers.

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liraira [26]

Answer:

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Step-by-step explanation:

First, find the <em>rate of change</em> of the line:

$\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{-6 + 3}{-1 + 2} = m \hookrightarrow \frac{-3}{1} = m \\ \\ \boxed{-3 = m}$

_______________________________________________

Now plug all the information into the Slope-Intercept Formula. It does not matter which ordered pair is chosen:

$\displaystyle 3 = -3[2] + b \hookrightarrow 3 = -6 + b; 9 = b \\ \\ \boxed{\boxed{y = -3x + 9}} \\ \\ OR \\ \\ 6 = -3[1] + b \hookrightarrow 6 = -3 + b; 9 = b \\ \\ \boxed{\boxed{y = -3x + 9}}$

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3 years ago

Evaluate the function.<br> f(x) = –22 – 9x + 20<br> Find f(9)

Alenkasestr [34]

Answer:

f(9)=-22-9(9)+20=-83

Step-by-step explanation:

f(9) means x = 9, Just substitute 9 into the function.

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3 years ago

What is the solution to 2x^+8x=x^-16

malfutka [58]

Answer:

If you are solving for x then the answer is x= -4

Step-by-step explanation:

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3 years ago

Solve for x ~<br><img src="https://tex.z-dn.net/?f=4x%20-%2016%20%3D%2064" id="TexFormula1" title="4x - 16 = 64" alt="4x - 16 =

Naddika [18.5K]

$\qquad\qquad\huge\underline{{\sf Answer}}♨$

Let's solve for x ~

$\qquad \sf \dashrightarrow \:4x - 16 = 64$

$\qquad \sf \dashrightarrow \:4(x - 4) = 64$

$\qquad \sf \dashrightarrow \:(x - 4) = 64 \div 4$

$\qquad \sf \dashrightarrow \:x - 4 = 16$

$\qquad \sf \dashrightarrow \:x = 16 + 4$

$\qquad \sf \dashrightarrow \:x =20$

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3 years ago

Read 2 more answers