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aleksandr82 [10.1K]
3 years ago
13

HELP ASAP! explain please Find the sum of the Arithmetic sequence 2 + 4 + 6+...+ 2n

Mathematics
1 answer:
alexira [117]3 years ago
5 0
  • Sn=n/2(2+2n)shdheuxucuehehxhcxdwg
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Is thee fifths equivalent to 0.35
Mariulka [41]
No, three fifths is 6. .35 is equivalent to 7/20.
4 0
3 years ago
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In hopes of encouraging healthier snacks at school, Bert brought in a tray of carrot sticks and apple slices to share. He brough
Oksi-84 [34.3K]

Answer:

40 %  of the snacks were carrot sticks.

Step-by-step explanation:

Total number of carrot sticks in lunch = 18

Total number of apple slices in lunch = 27

So, Total Snacks in the Lunch = Carrot Sticks + Apple Slices

                                                  = 18 +  27 = 45

Now,

=

⇒Percentage of Carrot Sticks = 40%

Hence, 40 %  of the snacks were carrot sticks.

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3 years ago
The number of students in an school building that have the flu after t days is given by the function
gulaghasi [49]

Step-by-step explanation:

p(0) =  \frac{800}{1 + 49 {e}^{ - 0.2 \times 0} }  =  \frac{800}{1 + 49}  =  \frac{800}{50}  = 16

200 =  \frac{800}{1 + 49 {e}^{ - 0.2t} }  \\ 200(1 + 49 {e}^{ - 0.2t} ) = 800 \\ 200 + 9800 {e}^{ - 0.2t}  = 800 \\ 9800 {e}^{ - 0.2t}  = 600 \\  {e}^{ - 0.2t}  =  \frac{3}{49}  \\  ln( {e}^{ - 0.2t} )  =  ln( \frac{3}{49} )  \\ -  0.2t =  - 2.793 \\ t = 13.96 = 14

6 0
3 years ago
Which of the following is the best approximation of the correlation coefficient for the data displayed in the scatterplot?
ra1l [238]

Answer:

0.5

Step-by-step explanation:

8 0
3 years ago
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C^2+d^3, id c=8 and d=-3
My name is Ann [436]

Answer: Hello there!!! the answer is - 91


Step-by-step explanation:

Step 1: convert all of the variables in the equation into numbers.

The equation will look like this - 8^2 + 3^3

Step 2: solve 8^2 and 3^3

8^2 = 64 and 3^3 = 27

Step 3: solve the equation sooooo the equation will now look like this

64 + 27 which is 91

PLEASE MARK ME BRAINLIEST I WOULD HIGHLY APPRECIATE IT!!!!!!


4 0
4 years ago
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