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Alchen [17]
3 years ago
12

Denny's fruit stall sells oranges for $2 per bag, and he sells pears for $5 per bag. By the end of the day, Denny had made $21.

Put this in standard form.
Mathematics
1 answer:
olga_2 [115]3 years ago
3 0
For this problem, we should assign variables to fruits in order.

x = oranges and y = pears

The cost of each fruit times the number of each fruit sold has to equal a grand total of $21

In standard form, this is written as: 2x + 5y = 21
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Step-by-step explanation:

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The table shows three values of x and their corresponding values of f (x) for a linear function f, such that f (r) = 0 and f (0)
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Using a linear function, it is found that the product rs is rs = 81.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

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  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

In this problem, when x changes by 68(from -64 to 68), y changes by -16(from 12 to -4), hence the slope is given by:

m = -16/64 = -0.25.

Hence:

y = -0.25x + b.

When x = 34, y = -4, hence this is used to find b.

-4 = -0.25(34) + b

b = 4.5.

Hence the function is:

y = -0.25x + 4.5.

f(r) = 0, hence:

-0.25x + 4.5 = 0

x = 4.5/0.25

x = 18

r = 18.

f (0) = s, hence s = 4.5.

Then the value of the product is:

rs = 18 x 4.5 = 81.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

7 0
2 years ago
Another customer purchases a pack of gum for $1.25 and a candy bad for $1.10, what is yhe total of these two items before tax ?
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$1.25
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Step-by-step explanation:

Product, meaning multiplication would just mean that you multiply these two numbers together

7 0
3 years ago
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Answer:

1. $0.99

2. $1.98

Step-by-step explanation:

1. From the question we have

Cost of box = $2.48

Selling price = $1.49

That is the box is discounted from $2.48 to $1.49

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2. The amount saved from buying a second box is hence;

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3 years ago
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