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2 years ago

9

A pack of cardinal flower seeds cost $4 and a pack of petunia flower seeds cost $2.50. you buy the same number of packs of each

type of flower and spend $39. how many packs of each did you buy?

1 answer:

jonny [76]2 years ago

6 0

12 u have to divide i think

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4. Two points on a line are (-10, 1) and (5, -5). If

Vsevolod [243]

Answer:

The x-coordinate of another point is zero

Step-by-step explanation:

step 1

Find the slope between the two given points

The formula to calculate the slope between two points is equal to

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

we have

$(-10,1),(5,-5)$

substitute in the formula

$m=\frac{-5-1}{5+10}$

$m=\frac{-6}{15}$

Simplify

$m=-\frac{2}{5}$

step 2

Find the x-coordinate of another point

we have

(x,-3)

we know that

If the other point is on the line, then the slope between the other point and any of the other two points must be the same

so

Find the slope between the points

$(x,-3),(5,-5)$

Remember that

$m=-\frac{2}{5}$

substitute in the formula

$-\frac{2}{5}=\frac{-5+3}{5-x}$

$-\frac{2}{5}=-\frac{2}{5-x}$

the denominators must be the same

$5=5-x$

$x=0$

therefore

The x-coordinate of another point is zero

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lapo4ka [179]

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If the supplement of an angle is 30 degrees more than the measure of the angle, what is the measure of the angle???? First corre

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bogdanovich [222]

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What can be multiplied to get 5 and added to get 4

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