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2 years ago

What is the equation of a line that has a slope of -2/3 and passes through the point (-3, -1)?

Mathematics

1 answer:

valentinak56 [21]2 years ago

5 0

Answer:

d d d d d d d d d d d d d d d d d dd d d d

Step-by-step explanation:

d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d

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Which statement is true about PQ in relation to the circumscribed circle ?

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The four highest scores at a diving meet were 9.08, 9.1, 9.15, and 9.06 points. Which of 3 of these numbers were the lowest out

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The path of a skateboarder can be modeled by the equation (x – 3)2 = –8(y – 8), where distance is in feet and air resistance is

yKpoI14uk [10]

The maximum height and horizontal distance is required.

Maximum height 8 feet; horizontal distance 16 feet

The given path is $(x-3)^2=-8(y-8)$

If the skateboarder jumps at x = 0 she will land at y = 0. However there will be at horizontal displacement.

$(x-3)^2=-8(0-8)\\\Rightarrow (x-3)^2=8^2\\\Rightarrow x-3=\pm 8\\\Rightarrow x-3=8\\\Rightarrow x=11$

$x-3=-8\\\Rightarrow x=-5$

The distance between -5 and 11 is $11-(-5)=16$

Middle point would be $\dfrac{16}{2}=8$ from $-5$ .

$-5+8=3$

So, $x=3$

The maximum height will be

$(3-3)^2=-8(y-8)\\\Rightarrow y-8=0\\\Rightarrow y=8$

The maximum height is 8 feet and the horizontal distance is 16 feet.

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2 years ago

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3 years ago

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Bethany sells roses and petunias. The expression 3r+2.5p3r+2.5p3, r, plus, 2, point, 5, p gives the cost (in dollars) of rrr ros

Lelechka [254]

Answer: The cost of 7 roses and 8 petunias is $41.

Step-by-step explanation:

Given, Bethany sells roses and petunias. The expression $3r+2.5p$ , gives the cost (in dollars) of r roses and p petunias.

Now to find the cost of 7 roses and 8 petunias , put r= 7 and p= 8 in the above expression , we get

$3(7)+2.5(8)=21+20\\\\=41$

Hence, the cost of 7 roses and 8 petunias is $41.

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3 years ago