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Flura [38]
3 years ago
13

Use the substitution method to solve the following pairs of simultaneous

Mathematics
1 answer:
marshall27 [118]3 years ago
6 0

Answer:

Step-by-step explanation:

2x+5y = 13

2(8-3y)+5y =13

16-6y+5y = 13

y=3

x =8-3y = -1

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Write the equation of this circle in standard form.
pishuonlain [190]

Answer:

x² + y² = 16

Step-by-step explanation:

(x-h)² + (y-k)² = r²   -- The standard form of equation of circle

(x-0)² + (y-0)² = 4²

4 0
3 years ago
25% of total mangoes which are rotten is 1250. Find the total number of mangoes in the basket. Also , find the number of good ma
Ghella [55]

There were 5000 mangoes in the basket, 3750 of them were good.

%                  mangoes

25% ---------- 1250

75% -----------    X

25x = 1250.75

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4 0
4 years ago
15. (p3 – 6) + (p3+6)
Cerrena [4.2K]

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Step-by-step explanation:

8 0
4 years ago
Please help!
ahrayia [7]

Answer:

the correct answer is (2,3)

Step-by-step explanation:

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6 0
4 years ago
Johnny has a box filled with 10 black marbles and 5 purple marbles what are the odds he pulls to black marbles in a row?
Licemer1 [7]

Answer:

3/7

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4 0
3 years ago
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