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Flauer [41]
3 years ago
11

Aaron wants to buy a bicycle that costs $128. So far, he has saved $56. The equation a + 56 = 128 can be used to find the amount

an in dollars that Aaron still needs to save. What is the solution to the equation?
Mathematics
1 answer:
Mumz [18]3 years ago
5 0

Answer:

a = 72

Step-by-step explanation:

Subtract 56 from both sides of the equation so you can isolate the variable

128-56=72

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2 years ago
Write 6.85• 10 to the 8th power in standard form
vagabundo [1.1K]
685,000,000 would be the right number. Hope this helps! 
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Christopher withdrew 30 United States dollars (USD) from an automatic teller machine in Germany. He received 24 euros (EUR). Whi
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<em> 1 euro equals 1.25 dollars</em>

<h2>Explanation:</h2><h2></h2>

In this problem we know that:

  • Christopher withdrew 30 United States dollars (USD) from an automatic teller machine in Germany.
  • He received 24 euros (EUR).

So we can solve this by using unitary method:

1EUR=\frac{30EUR}{24USD} \\ \\ \boxed{1EUR=1.25USD}

So<em> 1 euro equals 1.25 dollars</em>

<em />

<h2>Learn more:</h2>

Converting units: brainly.com/question/8426032

#LearnWithBrainly

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3 years ago
The equation y ̂=844.697x^2+3723.485x-13,650 models the annual profits of a new business, where x is the number of years since t
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The answer is $37,923

<span>y = 844.697x^2 + 3723.485x - 13,650
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y - the annual profit

If x = 8, the annual profit y is:
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y = 844.697 * 64 + 29,787.88 - 13,650
y = 54,060.608 + 16,137.88
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The answer is D since is the only one that has the correct y intercept
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