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Vedmedyk [2.9K]
3 years ago
10

The equation c=6.4w represents the cost c for w pounds of walnuts. Does a value of 2.5 for w make sense in this situation? Expla

in your reasoning
Mathematics
1 answer:
sineoko [7]3 years ago
6 0

We are given equation: c=6.4w, where the cost c for w pounds of walnuts.

w represents the number of pounds of walnuts.

Number of pounds could be in decimals.

The value of w = 2.5 represents 2.5 pounds of walnuts.

On plugging w=2.5 in c=6.4w equation, we get.

c=6.4×2.5 = $16.

Therefore, for 2.5 pounds of walnuts the total cost is $16.

Hence, <u>a value of 2.5 for w make sense in this situation. It shows that cost of 2.5 pounds of walnuts is $16, where cost of each pound of walnuts is 6.4.</u>


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Answer:

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Step-by-step explanation:

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Let the distance = D units

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Distance = Speed \times Time

Given that half the distance is covered by original speed.

\Rightarrow \dfrac{D}{2} = \dfrac{x}{2}\times \dfrac{y}{2}\\\Rightarrow D = \dfrac{xy}{2} ..... (1)

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i.e. increased speed:

\dfrac{5}{4}x\ units/hr

Hence, Time taken:

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Distance traveled is half of the total distance:

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Dividing (1) by (2):

\dfrac{xy\times 4}{2\times 5x(y-1)} = 1\\\Rightarrow 2y=5y-5\\\Rightarrow 3y=5\\\Rightarrow y =1.67\ hours

5 0
3 years ago
What is empowerment and radication please that is not from google
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Answer:

In MATH:

Empowerment - Gaining the skills required in language and practices to fully understand math.

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In ENGLISH:

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A plane intersects a prism parallel to the base of the prism. The cross section is a polygon with eight sides. How many sides do
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A plane intersects a prism parallel to the base of the prism. The cross section is a polygon with eight sides.

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3.11

Step-by-step explanation:

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=f(3)+2

=f(3-1)+2+2

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=f(2-1)+2+4

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