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Leto [7]
3 years ago
9

Which of the following ordered pairs does not represent a dependent relationship?

Mathematics
2 answers:
ycow [4]3 years ago
8 0
D because the first mentioned item affects the second in all of the above choices.
cricket20 [7]3 years ago
6 0

It is D, not here because they are all dependent.
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The slope (m) represents the cost per person.
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2 years ago
Jeb bought a $5 Footlong TM. Sales tax was 8%. How much was sales tax for the sandwich
Katen [24]

C)5.40

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P.S. You put the answer in your question.

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3 years ago
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Two boats leave a dock at the same time. One boat travels south at 32 mi divided by hr32 mi/hr and the other travels east at 60
TEA [102]

Answer: the rate at which the distance between the boats is​ increasing is 68 mph

Step-by-step explanation:

The direction of movement of both boats forms a right angle triangle. The distance travelled due south and due east by both boats represents the legs of the triangle. Their distance apart after t hours represents the hypotenuse of the right angle triangle.

Let x represent the length the shorter leg(south) of the right angle triangle.

Let y represent the length the longer leg(east) of the right angle triangle.

Let z represent the hypotenuse.

Applying Pythagoras theorem

Hypotenuse² = opposite side² + adjacent side²

Therefore

z² = x² + y²

To determine the rate at which the distances are changing, we would differentiate with respect to t. It becomes

2zdz/dt = 2xdx/dt + 2ydy/dt- - - -- - -1

One travels south at 32 mi/h and the other travels east at 60 mi/h. It means that

dx/dt = 32

dy/dt = 60

Distance = speed × time

Since t = 0.5 hour, then

x = 32 × 0.5 = 16 miles

y = 60 × 0.5 = 30 miles

z² = 16² + 30² = 256 + 900

z = √1156

z = 34 miles

Substituting these values into equation 1, it becomes

2 × 34 × dz/dt = (2 × 16 × 32) + 2 × 30 × 60

68dz/dt = 1024 + 3600

68dz/dt = 4624

dz/dt = 4624/68

dz/dt = 68 mph

6 0
3 years ago
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Dovator [93]
14.7x + 4x = 0*(49y+39y) y = 14

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4 0
3 years ago
The Cooking Club made some pies to sell
Sergio [31]

Answer:

36

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divide the 72 pieces by 2, you already know that 6 + 6 is 12, and 30 +30 is 60, so add 60 and 12 and you get 72

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2 years ago
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