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Montano1993 [528]
2 years ago
5

An airplane cruises 1 kilometer in 1/12 of a minute. What is its cruising speed?

Mathematics
1 answer:
VashaNatasha [74]2 years ago
6 0

Answer:

the plain is going 12km in one minute

Step-by-step explanation:

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Choose the model that represents the function
kirill [66]

Answer:

OPTION D

Step-by-step explanation:

We have to determine which option determines the function given above.

To determine the function, just substitute the values and compare LHS and RHS.

we have $ f(4) = 18 $

$ f(-2) = -12 $

$ f(0) = -2 $

$ f(-3) = -17 $

Here, $ x $ is the domain and $ f(x) $ is the co-doamin.

Therefore, $ x = \{4, -2, 0, -3\} $

Now, OPTION A: $ f(x) =  2x - 5 $

Substitute x = 4. We get f(x) = 3 $ \ne $ 18.

So, OPTION A is rejected.

Similarly, OPTION B: $ f(x) = 5x + 2 $

Substitute x = 4. We get f(4) = 22 $ \ne $18.

It is rejected as well.

Now, for OPTION C: $ f(x) = \frac{x}{2} - 5 $

Substitute x = 4. We get f(4) = -3 $ \ne $ 18.

So, OPTION C is also rejected.

OPTION D: $ f(x) =  5x - 2 $

Substitute x = 4. We get f(4) = 18.

Substitute the remaining points in domain as well. We notice that it exactly matches the given function. So, OPTION D is the answer.

8 0
3 years ago
Christine bakes 4 dozen cookies in an hour. How many dozen cookies does she bake in 3.5 hours?
Paladinen [302]

Answer:

14 dozen

Step-by-step explanation:

multiply 4x3.5=14

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3 years ago
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A farmer sells 7.2 kg of pears and apples at the farmer's market. 2/5 of this weight is pears, and the rest is apples. how many
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2.88

Step-by-step explanation:

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svet-max [94.6K]

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Step-by-step explanation:

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