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Solnce55 [7]
4 years ago
9

4x – 9y = 7 –2x 3y = 4 what number would you multiply the second equation by in order to eliminate the x-terms when adding to th

e first equation? what number would you multiply the second equation by in order to eliminate the y-terms when adding to the first equation?
Mathematics
2 answers:
steposvetlana [31]4 years ago
8 0
Multiply equation II by 2 and then add up the equations.
Alchen [17]4 years ago
7 0

Answer:

What number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation? answer 2

What number would you multiply the second equation by in order to eliminate the y-terms when adding to the first equation? answer 3

Step-by-step explanation:

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If you divide the number 1423 by 29, you answer will be 49 fish per tank. Hoped this helped
3 0
4 years ago
Subtract 10y - 8 from By 8y– 3.
Kruka [31]

(8y - 3) - (10y - 8) # Add or subtract like terms

-2y + 5

Hope this helps!

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3 years ago
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What is the fraction of 1.024242424?
Agata [3.3K]
That mixed decimal is equal to 1,024,242,424/1,000,000,000 . (You may certainly reduce it to lower terms if you like.) / / / If you had said that the '24' repeats forever and never ends, then it would have been 338/330 . (You're free to simplify that one too.)
7 0
4 years ago
Object------------- Diameter (cm) ----- Circumference (cm)
Aliun [14]

Answer: Flying disc

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula for each object:

Circumference(C) = π x diameter

  • Coin  

Diameter = 3  

Circumference (measured) = 10  

C (calculated) = π x d = π x 3 = 9.42  

10≅9.42

  • Flying disc  

Diameter =23

Circumference (measured) = 28  

C (calculated) = π x d = π x 23 = 72.25

72.25 ≠ 28

Not accurate

  • Jar lid

Diameter =8

Circumference (measured) =25  

C (calculated) = π x d = π x 8= 25.13

25 ≠ 25.13

  • Flower pot

Diameter =15

Circumference (measured)=47

C (calculated) = π x d = π x 15 = 47.12

47 ≠47.12

Feel free to ask for more if needed or if you did not understand something.  

8 0
4 years ago
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