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Alexxx [7]
3 years ago
6

How do I name the intersection of two planes?

Mathematics
2 answers:
torisob [31]3 years ago
4 0
Well, the interseciton of 2 planes would be a line, so it would be like line AB when it goes through the 2 points A and B
JulsSmile [24]3 years ago
3 0
The two planes that meet in a single line are called Intersecting Planes. ... Two planes always intersect in a line as long as they are not parallel. ... In the above figure, the two planes A and B intersect in a single line Kl.
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Please help me with this one
mylen [45]

9514 1404 393

Answer:

  1. y < -2x +3
  2. y > 1/2x -2

Step-by-step explanation:

To find the equation of each boundary line, look for the y-intercept. Then find the rise and run to the next grid intersection to the right that is crossed by that line. The equation for the line is ...

  y = mx + b . . . . . . m = rise/run = slope; b = y-intercept.

__

The lines are both dashed, so the inequalities will not include the "or equal to" case. For line (1), the shading is below the line, so the appropriate inequality symbol is <. For line (2), the shading is above the line, so the appropriate inequality symbol is >.

__

<u>Line 1</u>

y-intercept = +3. m = -2/1 = -2

  y < -2x +3

<u>Line 2</u>

y-intercept = -2. m = 1/2

  y > 1/2x -2

3 0
3 years ago
ASAP plz!!!!!!!!<br> 10 points
mojhsa [17]

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Step-by-step explanation:

5 0
3 years ago
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A small train at an amusement park is carrying passengers. Half of the passengers are 6 years old, 1/10 are 7 years old, 1/5 are
alekssr [168]

the answer is five if im doing this correct

8 0
4 years ago
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you are looking at the top of a tree. The angle of elevation is 66 degrees. The distance from the top of the tree to your positi
sleet_krkn [62]

103! 108 divided by 5.75 = 102.25
8 0
4 years ago
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The perimeter of Δ ABC is 450 ft. If AB= 9x, BC=41x and CA=40x, what is the area of the triangle?
Nikolay [14]

Answer:

A = 4500 ft^2

Step-by-step explanation:

By definition:

The pre-meter P of a triangle ABC is equal to the sum of the length of its sides.

We know that:

P = 450\ ft\\AB = 9x\\BC = 41x\\CA = 40x

The perimeter is:

P = AB + BC + CA\\P = 450 = 9x + 41x + 40x\\90x = 450\\x = 5

Now we find the length of the sides:

AB = 45\\BC = 205\\CA = 200

Once the length of the sides is known, we use Heron's formula to calculate the area.

First I find the semiperimeter S.

S = 0.5(45 + 205 +200)\\S = 225

Then the Area is:

A = \sqrt{s(s-AB)(s-BC)(s-CA)}\\\\A = \sqrt{225(225-45)(225-205)(225-200)}\\\\A = 4500\ ft^2

5 0
4 years ago
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