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3 years ago

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gina pasted 3 stickers in a book. if she added one sticker to her collection every day, what equation represents the relationshi

p between x (number of days) and y (number of stickers)?

1 answer:

lukranit [14]3 years ago

3 0

Answer:

The answer to your question is

Number of stickers = number of days + 3

Step-by-step explanation:

- To find the equation of the line that represents the situation, first, find the slope.

Slope = m = $\frac{y2 - y1}{x2 - x1}$

m = $\frac{4 - 3}{1 - 0} = \frac{1}{1} = 1$

- Find the equation of the line

y - y1 = m(x - x1)

y - 4 = 1(x - 1)

y - 4 = x - 1

y = x - 1 + 4

y = x + 3

y = number of stickers

x = days

Number of stickers = number of days + 3

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Natasha2012 [34]

Given:

Perimeter of a rectangular paper = 22 inches.

Area of the rectangular paper = 28 square inches.

To find:

The dimensions of the rectangular paper.

Solution:

Let l be the length and w be the width of the rectangular paper.

Perimeter of a rectangle is:

$P=2(l+w)$

Perimeter of a rectangular paper is 22 inches.

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$l+w=\dfrac{22}{2}$

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Area of a rectangle is:

$A=lw$

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$28=lw$

Using (i), we get

$28=(11-w)w$

$28=11w-w^2$

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Splitting the middle term, we get

$w^2-7w-4w+28=0$

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Using zero product property, we get

$(w-7)=0\text{ and }(w-4)=0$

$w=7\text{ and }w=4$

If $w=7$ , then by using (i)

$l=11-7$

$l=4$

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Answer:

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