3 years ago

What is the intersection of two distinct planes

1 answer:

3 0

It is this property which makes the plane "flat". Two distinct lines intersect in at most one point, two distinct planes intersect in at most one line. If two coplanar lines do not intersect, they are parallel. Two lines which re not coplanar cannot intersect and are called "skew" lines.

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2x^2 – 36x + 194 = 0

pav-90 [236]

Answer:

x =(18+√-64)/2=9+4i= 9.0000+4.0000i

or:

x =(18-√-64)/2=9-4i= 9.0000-4.0000i

Step-by-step explanation:

8 0

3 years ago

The Thundering Herd, an amusement park ride, is not open to patrons less than 54" tall. If the mean height of park patrons is 68

just olya [345]

Answer:

Step-by-step explanation:

Let X be the mean height of peak patrons,

Then X is normal with mean = 68 inches and std dev = 12 inches

Whenever x<54, they are not allowed to use the ride.

x=54 means z=

The z for 54" is $\frac{54 - 68}{12} =-1.17$

From std normal table we find that the area to the left of -1.17 is

0.3790

P(X>54) =1-0.3790

=0.6210=62.10%

P(54<x<68) = 0.5-0.3790 =0.121=12.1%

P(X>68) =0.5%=50%

5 0

3 years ago

Find the domain.<br> f(x)=x^2-81/x^2-2x-8

r-ruslan [8.4K]

The answer is

-2,4
basically all of the valid x values

3 0

3 years ago

An exponential function f(x)=a⋅bx passes through the points (0, 4) and (2, 64). What are the values of a and b?

Flura [38]

Answer:

a=b=4

Step-by-step explanation:

$f(x) = a\cdot b^x\\f(0) = a = 4\\f(2) = 4b^{2} = 64 \rightarrow b = 4\\ f(x) = 4 \cdot 4^x$

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4 years ago

(-3) with a power of four is?

PilotLPTM [1.2K]

-81 is the answer.............

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4 years ago