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viva [34]
3 years ago
15

Another Algebra problem i am too stupid to do

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
8 0
5 (x+4) ...................
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In the figure below, points M, P, H, J, and K lie in plane Z.
marishachu [46]

Answers:

  • (a) LN
  • (b) PHJ
  • (c) K
  • (d) HK

===================================================

Explanation:

Part (a)

Lines LN and PN have the point N in common. This is the intersection point.

-----------------

Part (b)

To name a plane, pick any three non-collinear points that are inside it. We cannot pick points H, J, K together because infinitely many planes pass through it. Imagine the piece of flat paper able to rotate around this axis (like a propeller). Having the points not all on the same line guarantees we form exactly one unique plane.

I'll pick the non-collinear points P, H and J to get the name Plane PHJ. Other answers are possible.

------------------

Part (c)

Points H, J and K are collinear as they are on the same line. Pick either H or K to fill out the answer box. I'll go with point K

------------------

Part (d)

Point P and line HK are coplanar. They exist in the same flat plane, or on the same sheet of flat paper together.

We can think of that flat plane as the ground level while something like point N is underground somewhere. So point N and anything on that ground plane wouldn't be coplanar.

Note: there are other possible names for line HK such as line JH or line JK. The order doesn't matter when it comes to naming lines.

4 0
2 years ago
What is -5/8 times 2/3 equal in fraction form
anastassius [24]

Answer: -5/12

Step-by-step explanation: Before multiplying two fractions together by multiplying across their numerators and multiplying across their denominators, you should always try to cross-cancel as your first step.

So in this problem, the 2 and 8 cross-cancel to 1 and 4.

Also, watch out for your signs. In this problem we have a negative times a positive so we know that our answer will be negative.

Now we can multiply across the numerators and across the denominators.

So we have 5 · 1 which is 5 and 4 · 3 which is 12.

So our answer is -5/12.

Be very careful with your signs!

7 0
3 years ago
Read 2 more answers
8y - y + x + 3x simplified
vredina [299]

Answer:

7y+4x

Step-by-step explanation:

1. So the -y is 1 so you subtract one from the 8 which is 7.

2. x is also like a one so that would also equal 4

3 0
3 years ago
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Which is a correct description of the polygon?
RSB [31]

Answer:

D.It is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

Step-by-step explanation:

You are so very welcome!

6 0
3 years ago
Read 2 more answers
Identify the underlined place in 75.733. Then round the number to that place
Anettt [7]

Answer:

I'm sure it's The seven after the ( . )

Step-by-step explanation:

Find the number in the tenth place 7 and look one place to the right for the rounding digit 3 Round up if this number is greater than or equal to 5 and round down if it is less than 5 . So it's 75.7

4 0
3 years ago
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