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2 years ago

5

A submarine descends to a depth of 660 feet below the surface in 11 minutes. At this rate, what integer represents the change, i

n feet, of the submarine's position after one minute?

1 answer:

gregori [183]2 years ago

6 0

13 minutesStep-by-step explanation:

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Are the functions f(x) = (x^2-1)/(x-1) and g(x)= x+1 equal for all x?

Vinvika [58]

$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\$

$\bf f(x)=\cfrac{x^2-1}{x-1}\implies f(x)=\cfrac{x^2-1^2}{x-1}\implies f(x)=\cfrac{(\underline{x-1})(x+1)}{\underline{x-1}}
\\\\\\
f(x)=x+1\qquad \qquad \qquad \qquad \qquad g(x)=x+1\\\\
-------------------------------\\\\
\textit{they're, kinda, except that, when x = 1}
\\\\\\
g(x)=(1)+1\implies g(x)=2
\\\\\\
f(x)=\cfrac{(1)^2-1}{(1)-1}\implies f(x)=\cfrac{0}{0}\impliedby und efined$

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3 years ago

Your favorite Flip Flops are on sale, 2 for $3.00. The shipping is a flat rate of $5.00 no matter how many Flip Flops you buy. F

andriy [413]

Answer:

2 for $3 $3x23=69 then add shipping which equals $74 you can buy 46 pairs.

Step-by-step explanation:

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3 years ago

If a = 8 in and b = 16 in now find c.<br> If a = 7 yd and b = 11 yd now find c.

Rudiy27

Answer:

17.88854382

13.0384048104

Step-by-step explanation:

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3 years ago

3(x + 4) = 27 what is x

Alla [95]

Answer:

x = 5

Step-by-step explanation:

This is a simple equation if you look at it right and don't get scared by the "x."

All we need to do is figure out what times 3 = 27. We can do this easily by diving 27 by 3.

27 ÷ 3 = 9

Since our "equation" is 3(x + 4) = 27 we know whatever is in the parenthesis () has to equal to 9. We already get 4 so:

5 + 4 = 9.

3 times 9 = 27.

5 is your answer.

<u>Hope this helps and have a nice day!</u>

PS if you could mark brainliest that'd be great! I'm very close the "expert" rank. Haha, sorry I usually don't ask.

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3 years ago

If Shape 1 is a scale copy of shape 2, What side corresponds of side AB?

igor_vitrenko [27]

Answer:

the answer is D. WX

Step-by-step explanation:

just look at the figure

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2 years ago