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scoundrel [369]
3 years ago
11

4) 8x+4y=-8 -x + 4y = -17

Mathematics
1 answer:
horrorfan [7]3 years ago
8 0

Answer:

x=1

y=-4

Step-by-step explanation:

  1. find x by making y to 0
  2. sub x into equation
  3. find y

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Which is true of a geometric plane? A) one-dimensional B) two-dimensional C) three-dimensional D) no dimensions, only position
Sedbober [7]

Answer:

The correct option is B.

Step-by-step explanation:

A plane extends infinitely in two dimensions. It has no thickness.The plane has two dimensions: <u>length and width</u><u>.</u> But since the plane extends infinitely,the length and width cannot be measured.

Lets take an example of a flat sheet of metal. Imagine a flat sheet of metal. Now make it infinitely large in both directions. This means that no matter how far you go, you never reach its edges. Now imagine that it is so thin that it actually has no thickness at all. In spite of this, it remains completely rigid and flat. This is the 'plane' in geometry.

6 0
2 years ago
Nine times ten to the negative eleventh power over two point four times ten to the eighth power
Greeley [361]

Answer:

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Step-by-step explanation:

That is the correct answer

8 0
2 years ago
Help please thank you
LenaWriter [7]

Answer:

B)60m^2

Step-by-step explanation:

The area of the rectangle is 40m^2 and the area of the triangle is 20m^2. So 40+20 is 60.

3 0
3 years ago
Heather has a bag with 9 marbles, 9 tennis balls, 10 apples, and 2 books. What is the ratio of books to tennis balls?
sveticcg [70]

Answer:

Option A, (2/9) or 2:9

Step-by-step explanation:

<u>Amount of books:</u>  2 books

<u>Amount of tennis balls:</u>  9 tennis balls

Books : Tennis Balls

<em>2 : 9</em>

<em />

Answer:  Option A, (2/9) or 2:9

3 0
2 years ago
Which of the following is the multiplicative inverse of 9y/7x?
Natali [406]
<span>C. 7x/9y is the correct answer.
</span>
3 0
3 years ago
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