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expeople1 [14]
3 years ago
5

If j and k are intersecting lines, A and B are points on j, and C and D are points on k, how many planes contain points A, B, C,

and D?
A. Infinitely many
B. We can't determine from the given information.
C. Exactly one
D. None

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
7 0
The correct answer to this question is letter "<span>B. We can't determine from the given information."
</span>
Using the information as stated, "<span>If j and k are intersecting lines, A and B are points on j, and C and D are points on k," the number of planes that contain points A, B, C, and D cannot be determined because of the lack of information.
</span>
Arlecino [84]3 years ago
7 0

Answer:

Option B is correct.

Step-by-step explanation:

We have given that j and k are intersecting lines  and A and B are points on j  

And C and D are points on k

If we consider AB as j and CD as k they are not intersecting lines.

Hence, We can not determine from the given information

Therefore, Option B is correct

And Hence, Option A,C and D are incorrect.


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Nat2105 [25]
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4 0
3 years ago
A dog trainer has 104 ft of fencing that will be use to create a rectangular work area for dogs. If the trainer wants to enclose
Andrews [41]

Answer:

The dimensions of the work area are 16 ft by 36 ft

Step-by-step explanation:

Let

x ----> the length of the work area in feet

y-----> the width of the work area in feet

we know that

The perimeter of the work area is equal to

104=2(x+y)

simplify

52=(x+y)

y=52-x ----> equation A

The area of the work area is equal to

576=xy ---> equation B

substitute equation A in equation B

576=x(52-x)

576=52x-x^2

x^2-52x+576=0

solve the quadratic equation by graphing

using a graphing tool

The solutions are

x=16 ft, y=36 ft

or

x=36 ft, y=16 ft

see the attached figure

therefore

The dimensions of the work area are 16 ft by 36 ft

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3 years ago
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VashaNatasha [74]
I'm guessing you'd combine them. And the end equation would be

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7 0
4 years ago
May someone help me with 2-9? Please?
mylen [45]

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12m+12m+30m+30m = 84m

5. Again add all sides together.

16yd+16yd+4yd+4yd = 40yd

6. Each side of a square is the same size.

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7. Add all sides together.

2cm+2cm+3cm+3cm = 10cm

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23in x 4 = 92in or 23in+23in+23in+23in = 92in

9. A regular octagon has 8 sides and each side is the same size.

9cm x 8 = 72cm

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4 years ago
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