4 years ago

Please help need answer asp

1 answer:

7 0

Since it is a 45-45-90 right triangle, the formula is:
Hypotenuse= sqrt2 * leg
Since you know hypotenuse = 9sqrt2 the leg has to be 9

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T(x)=70(.80)*+20 where x is the time in minutes and the T is the temperature in degree celsius . What is the initial temperature

Serggg [28]

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The initial temperature of the coffee was 90°C.

Step-by-step explanation:

The function representing the temperature of the coffee after x minutes is:

$T(x)=70\cdot(0.80)^{x}+20$

T is the temperature in degree Celsius.

The initial temperature of the coffee will be at x = 0.

Compute the value of T (x) at x = 0 as follows:

$T(x)=70\cdot(0.80)^{x}+20$

$T(0)=70\cdot (0.80)^{0}+20$

$=70\times 1+20\\=70+20\\=90$

Thus, the initial temperature of the coffee was 90°C.

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3 years ago