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Pani-rosa [81]
3 years ago
14

What is the solution to the system x + y = 5 and 3x - y = 3?

Mathematics
1 answer:
solong [7]3 years ago
7 0
The answer is (2,3)
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Answer:

Step-by-step explanation:

hello :

y= 5x + 9

y = -x +3

so : 5x+9 = -x+3

5x+x= 3-9

6x=-6

x=-6/6 = -1

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1

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What is the gcf of 3/7 and 4/9?
LiRa [457]

Answer:

  1/63

Step-by-step explanation:

There are a couple of ways to do this.

<h3>1) </h3>

Look for the GCF of the numerators when a common denominator is used.

  GCF(3/7, 4/9) = GCF(27/63, 28/63) = (1/63)·GCF(27, 28)

  GCF(3/7, 4/9) = 1/63

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<h3>2) </h3>

Use Euclid's algorithm. If the remainder from division of the larger by the smaller is zero, then the smaller is the GCF; otherwise, the remainder replaces the larger, and the algorithm repeats.

  (4/9)/(3/7) = 1 remainder 1/63*

  (3/7)/(1/63) = 27 remainder 0

The GCF is 1/63.

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* The quotient is 28/27 = 1 +1/27 = 1 +(1/27)(3/7)/(3/7) = 1 +(1/63)/(3/7) or 1 with a remainder of 1/63.

_____

<em>Additional comment</em>

3/7 = (1/63) × 27

4/9 = (1/63) × 28

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A pyramid has a square base. The base edge is one-half of the height of the pyramid. If the base edge is 6 units, what is the vo
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PLEASE HELP! Will mark!!
kicyunya [14]

Answer:

90

Step-by-step explanation:

A right triangle is a triangle that has a right angle.  A right angle is an angle that is 90 degrees.

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