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Hunter-Best [27]

4 years ago

10

Plz help with the picture below for 20 points

1 answer:

Verdich [7]4 years ago

5 0

which one? Are u asking all?!

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Find an equation of the plane consisting of all points that are equidistant from (-3, 5, -4) and (-5, 0, 4), and having -2 as th

Firdavs [7]

Answer:

-2x-5y+8z+4.5=0

Step-by-step explanation:

Let (x,y,z) be the coordinates of the point lying on the needed plane. This point is equidistant from the points (-3, 5, -4) and (-5, 0, 4), so

$d_1=\sqrt{(x-(-3))^2+(y-5)^2+(z-(-4))^2}=\sqrt{(x+3)^2+(y-5)^2+(z+4)^2}\\ \\d_2=\sqrt{(x-(-5))^2+(y-0)^2+(z-4)^2}=\sqrt{(x+5)^2+y^2+(z-4)^2}\\ \\d_1=d_2\Rightarrow \sqrt{(x+3)^2+(y-5)^2+(z+4)^2}=\sqrt{(x+5)^2+y^2+(z-4)^2}\\ \\(x+3)^2+(y-5)^2+(z+4)^2=(x+5)^2+y^2+(z-4)^2\\ \\x^2+6x+9+y^2-10y+25+z^2+8z+16=x^2+10x+25+y^2+z^2-8z+16\\ \\-4x-10y+16z+9=0\\ \\-2x-5y+8z+4.5=0$

5 0

3 years ago

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Which expression is equal to p + (q + r)

lana66690 [7]

Answer:

the answer for me would be (p+q)+r

here is why I think so

q +pr ( the pr close-by together in maths means multiple so that's out) same goes for C and A it has a negative so that's not equal.

8 0

3 years ago

Which equation is equivalent to the given equation? If anyone can help it means a lot

NISA [10]

Answer:

x^2 + 16x + 60 = 0

Step-by-step explanation:

Add 16x to both sides of the given equation. We get x^2 + 16x + 60 = 0.

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3 years ago

(Will mark brainlest ) help me to find the value of x or theta (step by step)

Olenka [21]

Answer:

X = 6

Step-by-step explanation:

sin○ = opposite side/hypotenuse

sin 45 = 3 root2/x

1/root2 = 3 root2/x

x = 3 × 2

x = 6

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3 years ago

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You bike 14 ଵ ସmiles from your house to a state park. You travel ଵ ଷof that distance in the woods. You bike along the bank of a

AlexFokin [52]

17miles is the answer trust me bro

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3 years ago

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