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Kobotan [32]
3 years ago
9

Connor’s temperature was 0.7 degrees higher last night than it was this morning. His temperature this morning was 101.2 degrees.

What was his temperature last night?
Mathematics
1 answer:
Vinil7 [7]3 years ago
7 0

Answer:

101.9 degrees

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Step-by-step explanation:

Let's define what we have:

Conner's morning temperature: 101.2 degrees

Conner's last night temperature: morning temperature + 0.7 degrees

We know that Conner's last night temperature is <em>addition</em> because it was <em>higher</em> (key word) than the morning temperature.

Therefore, we simply add the values together to get our answer:

101.2 + 0.7 = 101.9 degrees

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Write the following expression using symbolic language.
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<h3>9y - 18 </h3>

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If you invest $1250 in an account that earns 6% compounded quarterly, the amount you will have in the account, S(x), after x yea
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\begin{array}{llrll} S(2)=1250(1.015)^{4(2)}&\implies &S(2)\approx 1408.12\\ S(4)=1250(1.015)^{4(4)}&\implies &S(4)\approx 1586.23\\ S(6)=1250(1.015)^{4(6)}&\implies &S(6)\approx 1786.88\\ S(8)=1250(1.015)^{4(8)}&\implies &S(8)\approx 2012.91\\ S(10)=1250(1.015)^{4(10)}&\implies &S(10)\approx 2267.52 \end{array}

well, the tell-tale for Growth or Decay is the parenthesized term, namely the "rate of change", if it's greater than 1 is Growth, if it's less than 1 is Decay, in this case is greater than 1, is 1.015, so well, you know.

from 4 years to 10 years, how much more in interest?

well, first off let's take off the Principal of 1250 to see how much is in interest, hmmm for 4 years that'll be <u>336.23</u> and for 10 years that'll be <u>1017.52</u>, so their difference is about 681.29.

what does the S-intercept mean?  Check the picture below.

when the graph touches the y-axis or S-axis if you wish, the time is 0 and the amount is, well, you can see it there.

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