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s344n2d4d5 [400]
2 years ago
8

Yesterday the temperature at noon was 12.2°F. By midnight, it had dropped by 20.9°F. What was the temperature at midnight?

Mathematics
1 answer:
Gekata [30.6K]2 years ago
5 0

Answer:

The temperature dropped down to -8.7°F

Step-by-step explanation:

12.2°F - 20.9°F = -8.7°F

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bella and camila are gathering leaves for their nature collection. bella has 18 leaves. camilla has twice as many leaves as bell
vaieri [72.5K]

Answer:

9

Step-by-step explanation:

18 + 18 is like 36 divied by 2 is 18 then dvide that by two is 9 so 9

8 0
2 years ago
Simplify the following expression:<br><br> 2(x+7) - (x+2)
Mekhanik [1.2K]

Answer:

x + 12

Step-by-step explanation:

  • (2)(x)+(2)(7) + (-1)(x) + (-1)(2)
  • 2x + 14 -x -2
  • (2x-x)+(14-2)
  • x + 12

Therefore, the answer is x + 12.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

8 0
2 years ago
Read 2 more answers
A jar contains 8 large red marbles, 5 small red marbles, 9 large blue marbles, and 7 small blue marbles. If a marble is chosen a
Eddi Din [679]

Answer:

P(blue|small) > P(small|blue)

Step-by-step explanation:

P(blue|small):  7 / (5 + 7) = 7 / 12

P(small|blue): 7 / ( 9 + 7) = 7 / 16

7 / 12 > 7 / 16

4 0
2 years ago
(8.6x107)-(9.1x10-8)simplify
natima [27]

Answer:

  85,999,999.999 999 909

Step-by-step explanation:

The expression represents the difference of a relatively large number and one that is relatively small. That difference is approximately the value of the large number. The exact value requires 17 digits for its proper expression. Most calculators and spreadsheets cannot display this many digits.

<h3>Standard form</h3>

The numbers in standard form are ...

  86,000,000 = 8.6×10^7

  0.000000091 = 9.1×10^-8

<h3>Difference</h3>

Their difference is ...

  86,000,000 -0.000000091 = 85,999,999.999 999 909

In scientific notation, this is ...

  8.599 999 999 999 990 9×10^7

4 0
1 year ago
13 squared? how does it mean and what is the solution?
Brut [27]
13 squered it means that =13 to the second power
13^{2}=13*13=169

6 0
3 years ago
Read 2 more answers
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