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maksim [4K]
3 years ago
15

room temperature ranges from 20 degrees celsius to 25 degrees celsius. Find the range of room temperature in Fahrenheit. Use the

formula, F-32=1.8C, to convert from the Celsius scale to the Fahrenheit scale.
Mathematics
2 answers:
denis-greek [22]3 years ago
7 0

20*1.8 +32 = 68 degrees F

25*1.8 +32 = 77 degrees F

range is 68 to 77 degrees F

Liula [17]3 years ago
4 0

Answer:

The range of room temperature in Fahrenheit  is 68F to 77F.

Step-by-step explanation:

Consider the provided ranges from 20° to 25°

Now use the formula F - 32 = 1.8C  to convert degree to Fahrenheit.

Add 32 both the side

F = 1.8C + 32

Substitute C = 20 in above formula.

F = 1.8(20) + 32

F = 36 + 32

F = 68

Substitute C = 25 in above formula.

F = 1.8(25) + 32

F = 45 + 32

F = 77

Thus, the range of room temperature in Fahrenheit is 68F to 77F.

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Find the value of c so that (x-5) is a factor of the polynomial

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The other factor is going to be some quadratic.  We can say a few things about its coefficients but let's start by saying in general it's

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p(x) = (x-5)q(x)

x^3 + 2x^2 + cx + 10 = (x-5)(ax^2 + bx+k) = ax^3 + (b-5a)x^2 + (k-5b)x - 5k

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c = k - 5b = 2 - 5(7)= -37

Answer: -37

Check:

(x^2 + 7x - 2)(x - 5) = x^3 + 2 x^2 - 37 x + 10\quad\checkmark




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