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laiz [17]
4 years ago
11

Please someone can help me with #3. Thanks

Mathematics
2 answers:
vodomira [7]4 years ago
7 0
You plug in 8 for the r's and you'll get 8 plus 8 divide by 2 times 4  then youll get 8+4 times 4. Then you'll get 8+16 and it --24
tatiyna4 years ago
4 0
R + r ÷ 2 × 4 when r = 8.


8 + 8 ÷ 2 × 4  
8 + ___ × 4  
8 + ___
      ___

Lets solve for the missing. 

8 + 8 ÷ 2 × 4
8 ÷ 2 = 4
8 + 4 × 4
4 × 4 = 16
8 + 16
8+16 = 24

SO:-
 


8 + 8 ÷ 2 × 4  
8 + _4_ × 4  
8 + _16__
      _24__

So, r + r ÷ 2 × 4 when r = 8 is 24.

Hope I helped ya!! xD
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Is someone willing to answer and solve this number 4 for me please I'll thank you
____ [38]
2 x 10^7= 20,000,000
4 x 10^6= 4,000,000
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4 0
3 years ago
Renee bought a chocolate bar for her friend. The chocolate weighed 45.8 grams. Renee's little brother ate 29.6 grams of the choc
Rudiy27

Answer:

16.2

Step-by-step explanation:

45.8 - 29.6 = 16.2

Renee would have 16.2 grams of chocolate.

7 0
2 years ago
What is the sum of the first 5 terms of this geometric series? Use . -4 + 12 + (-36) + ⋯
yKpoI14uk [10]

Answer:

The sum of the first 5 terms is -244

Step-by-step explanation:

To calculate the sum of the geometric series, we need the first term, the common ratio and the number of terms we would like to sum.

The first term here is -4

The common ratio is T2/T1 or T3/T2 = 12/-4 = -3

number of terms n = 5

The formula to use is;

Sn = a(1-r^n)/(1-r)

Plugging these values, we have;

Sn = -4(1-(-3)^5)/(1-(-3))

Sn = -4(1+243)/4 = -1(244) = -244

7 0
3 years ago
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