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Anastasy [175]
3 years ago
15

1/13

Mathematics
1 answer:
levacccp [35]3 years ago
7 0

Answer:

y=20-3x

Step-by-step explanation:

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More math and its my last question
vaieri [72.5K]

We know that ∠1 equals ∠3, from that we can find x:

10x = 100 \\ x = 10

The sum of ∠1 and ∠2 must equal 180°:

10x + 10y + 20 = 180

Since we already know x, we can solve for y:

10 \times 10 + 10y + 20 = 180 \\ 10y + 120 = 180 \\ 10y = 60 \\ y = 6

Result: x=10, y=6

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2x+5+2x+3x=6x+7<br> Help ASAP plzzzzz
BartSMP [9]

Answer: X=2

2x plus 2x plus 3x equals 7x and then you add the +5 which means you now have 7x+5=6x+7 which you then solve from there by subtracting the 6x from the left side. You then get x+5=7 meaning x=2.

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3 years ago
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Becca sells bracelets for $9 each. She has to pay $4.35 for the materials for each bracelet. How much money does she make from e
bazaltina [42]

Answer:

  1. $4.65
  2. $69.75

Step-by-step explanation:

How much money she makes from each bracelet:

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How much money she makes from the 15 bracelets:

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