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grigory [225]
3 years ago
13

The sum of three consecutive number is 54 Find the first two number.​

Mathematics
1 answer:
nirvana33 [79]3 years ago
3 0
  • <em>Answer:</em>

<em>a = 17</em>

<em>b = 18</em>

<em>c = 19</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>a + b + c = 54</em>

<em>b = a + 1</em>

<em>c = a + 2</em>

<em>replace b ; c</em>

<em>a  + (a + 1) + (a + 2) = 54</em>

<em>3a = 54 - 3</em>

<em>3a = 51</em>

<em>a = 51 : 3</em>

<em>a = 17</em>

<em>b = 18</em>

<em>c = 19</em>

<em>Good luck !</em>

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Answers:

  • interest = $75
  • balance at maturity = $3075

=============================================================

Explanation:

The simple interest formula is

i = p*r*t

where in this case,

  • p = 3000 = principal (amount deposited)
  • r = 0.10 = annual interest rate in decimal form
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So,

i = p*r*t

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i = 75 is the amount of interest earned

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In short, you deposit $3000 into the CD and have to wait 3 months for the amount to update to $3075.

7 0
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If measure of angle 1 = 2x+6 and measure of angle 2 = 8x+4 where angles 1 and 2 are supplementary, then how much is the actual m
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Answer:

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Step-by-step explanation:

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Supplementary angles: If the angles are supplementary their sum is equal to 180°

In our case ∠1 +∠2 = 180°

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Solving the equation to find x, then we can find the actual measure of ∠1

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So, value of x = 17

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So, the actual measure of ∠1 = 40°

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