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Andrew [12]
3 years ago
10

Jeremy boiled one cup of water and then let it cool at room temperature. The table shows the temperature, in degrees Fahrenheit,

of the water after a given number of five-minute intervals. Jeremy used an exponential function to model the temperature w(t), in degrees Fahrenheit, of the water after t intervals.
Mathematics
1 answer:
Volgvan3 years ago
5 0

Answer:How to simplify expressions with exponents and logs. • How to solve equations with ... 15) The temperature, T, of a given cup of hot chocolate after it has been cooling for tminutes can best be modeled by the function ...

Step-by-step explanation:How to simplify expressions with exponents and logs. • How to solve equations with ... 15) The temperature, T, of a given cup of hot chocolate after it has been cooling for tminutes can best be modeled by the function ...

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What is the sum of the measures of the exterior angles of this triangle?
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17 degrees.

Step-by-step explanation:

Total sum of angles on a triangle always make 180

112+51=163

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Daisy looked at the table shown and claimed that for every integer value, the expression -x < x is true.
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2 years ago
If x, y, and z are positive integers such that xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z.
Ket [755]

Answer:

x= 2, y= 2, and z= 6

Step-by-step explanation:

If this is a Diophantine equation, add 35 to both sides and factor the left:

(3x+1)(2y+7)(z+5) = 847 = 7 times 112

Each integer factorization of 847 into 3 factors leads to a different number/value of x, y, and z. If the first factor, (3x+1), is 1 more than a multiple of 3, and the second factor, (2y+7), is odd, then x, y, and z will be integers.

For example:

847 = 121 times -7 times -1 gives (x, y, z) = (40, -7, -6) because 121 times -7 times -1 is 847 as well, it checks out.

If x, y, and z need to be positive, then the three numbers/factors need to be greater than 1, 7, and 5. The only combination that works is 7 times 11 times 11, which gives (x, y, z) = (2, 2, 6).

:)

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3 years ago
Help please I don’t understand
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