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Anna [14]
3 years ago
9

HELP! Suppose you make hot chocolate. It's too hot to drink, so you put it in the freezer to cool it off. If the original temper

ature is 190 degrees Fahrenheit and the freezer is 0 degrees Fahrenheit, what will the temperature of the hot chocolate be after 4 minutes? (k = 0.12)
Mathematics
1 answer:
Lady bird [3.3K]3 years ago
7 0

Answer:

go follow this website it has a full answer brainly.com/question/2803975

Step-by-step explanation:

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Solve the system: <br> 2x+6y=36<br> x+4y=20
Assoli18 [71]

<u>Let's solve this problem step-by-step</u>

<u>Let's set</u>:

   2x + 6y = 36 -- equation 1

   x + 4y = 20 -- equation 2

(equation 2) * 2

   2x + 8y = 40 -- equation 3

(equation 3) - (equation 1)

   2y = 4

   y = 2 -- equation 4

Plug (equation 4)'s value of y into (equation 2)

   x + 4(2) = 20

   x = 20 - 8

   x = 12

<u>Thus x = 12 and y = 2</u>

<u>Let's check, by substituting these values</u>

  2x + 6y = 36\\2(12)+6(2) = 36\\24+12=36\\36=36\\\\x+4y=20\\12+4(2)=20\\12+8=20\\20=20

<u>Answer: x = 12 and y = 2</u>

Hope that helps!

5 0
2 years ago
Write first 10 pirme numbers and find median
likoan [24]

Answer:

2 3 5 7 11 13 17 19 23 27

Step-by-step explanation:

12 I think

5 0
3 years ago
Use the Rational Root Theorem to list all possible rational roots for the equation.
kicyunya [14]
The answer would be B and here’s the steps :)

5 0
2 years ago
Solve x:(x+4)/3=2<br> Will give points
sasho [114]

\frac{x + 4}{3}  = 2 \\  \\  \\  \text{ Multiply by 3 on both sides,  }\\  \\   \\ =  >  \frac{x + 4}{3}  \times 3 = 2 \times 3 \\  \\  \\  \\  =  > x + 4 = 6 \\ \\   \\  =  > x = 6 - 4 \\  \\  \\   =  > x = 2






Hence, value of x in the given equation is 2
8 0
3 years ago
Read 2 more answers
How do you solve -1/12 - (-11/12)
valentinak56 [21]

-1/12 - (-11/12) would change into -1/12 + 11/12 because a double negative (bold print) would become a positive. The answer to the new problem would be 10/12 or 5/6 (depending on if it says to simplify).

7 0
3 years ago
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