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matrenka [14]
2 years ago
7

A grocery store sells a bag of 5 avocados for $4. What is the unit cost of each avocado?

Mathematics
2 answers:
lidiya [134]2 years ago
7 0

Answer:

80 cents

Step-by-step explanation:

The bag is filled with 5 avocados, and they are a package as $4.

Each avocado will be the cost of the total / the amount:

4.00/5 = x

4/5=x

(4*20) / (5*20) =x

80/100 = x

<u>80 cents</u>

weeeeeb [17]2 years ago
6 0
5x4 = 20
So the avocados would be $20
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Let's take the 2 numbers are a and b.
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a - 3b = -2

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(5,9) and (2,3)

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PLZ HELP!!! Use limits to evaluate the integral.
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Split up the interval [0, 2] into <em>n</em> equally spaced subintervals:

\left[0,\dfrac2n\right],\left[\dfrac2n,\dfrac4n\right],\left[\dfrac4n,\dfrac6n\right],\ldots,\left[\dfrac{2(n-1)}n,2\right]

Let's use the right endpoints as our sampling points; they are given by the arithmetic sequence,

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We approximate the integral with the Riemann sum:

\displaystyle\sum_{i=1}^nf(r_i)\Delta x_i=\frac{112}n\sum_{i=1}^ni^3

Recall that

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\displaystyle\sum_{i=1}^nf(r_i)\Delta x_i=\frac{28n^2(n+1)^2}{n^4}

Take the limit as <em>n</em> approaches infinity, and the Riemann sum converges to the value of the integral:

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Just to check:

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