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3 years ago

Find the difference.Need help fast!

Mathematics

2 answers:

Ulleksa [173]3 years ago

8 0

D is your answerrrrrrrr

Lerok [7]3 years ago

5 0

Answer:

Step-by-step explanation:

18 - 3 = 15

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Solve this system

madam [21]

Answer:

Its the first option

Step-by-step explanation:

4 0

3 years ago

Slope is 1 and (-2, -1) is on the line

Arlecino [84]

Answer:

y=x+1

or y=1x+1

Step-by-step explanation:

6 0

4 years ago

PLEASE HELP! The length of time a full length movie runs from opening to credits is normally distributed with a mean of 1.9 hour

Jobisdone [24]

Answer:

A random movie is between 1.8 and 2.0 hours.

z=1.8-1.9/0.3= -0.33= 0.3707

z=2.0-1.9/0.3= 0.33= 0.6293

0.6293-0.3707= 0.2586

Therefore, the chance a random movie is between 1.8 and 2.0 hours long is 0.2586.

A movie is longer than 2.3 hours.

z=2.3-1.9/0.3 =1.33 =0.9082

1-0.9082= 0.0918

Therefore, the chance a movie is longer than 2.3 hours is 0.9082.

The length of movie that is shorter than 94% of the movies

z=x-1.9/0.3= 0.94

z=x-1.9/0.3= 1-0.94= 0.06

=x-1.9/0.3= 0.06= -1.56

x= 1.432

Therefore, the length of the movie that is shorter than 94% of the movies about 1.4 hours.

Step-by-step explanation:

4 0

3 years ago

Find an equation of a plane through the point (3, 0, 2) which is orthogonal to the linex=?2+3t,y=2+4t,z=?1?3tin which the coeffi

Alchen [17]

Answer: 3x + 4y - 3z - 3 = 0

Step-by-step explanation:

with the given point (3, 0, 2), the plane is orthogonal to this line so it

has directional ratios (3, 4, -3)

therefore the given equation can be written as;

(x+2)/3 = (y-2)/4 = (z+1)/-3

so equation of the plane passing through point x1, y1 and z1 in the one point form is given as;

a(x-x1) + b(y - y1) + c(z -z1) = 0

abc represent the direction ratio

so we substitute

3(x-3) + 4(y-0) + (-3(z-2)) = 0

3x - 9 + 4y - 0 - 3z + 6 = 0

3x + 4y - 3z - 3 = 0

therefore the equation of the plane through the point is 3x + 4y - 3z - 3 = 0

7 0

4 years ago

Find area of circle

Gre4nikov [31]

Answer and Step-by-step explanation:

Plug in 4 for r, since 4 is half of 8, and 8 is the diameter, and the radius is half of the diameter.

We get the answer to be $16\pi$ , or 50.2655.

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

7 0

3 years ago

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