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garik1379 [7]
4 years ago
5

Find the sum of the arithmetic sequence 22, 11, 0, -11, ..., –77.

Mathematics
1 answer:
blagie [28]4 years ago
7 0

Answer:

B.

Step-by-step explanation:

First you need to figure out how many numbers there are, so with this you can simply count 10. Then use the formula to plug in the numbers: 10(22-77)/2 to get the answer.

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gulaghasi [49]
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5 0
3 years ago
Use each of the numbers 2, 3, 4, and 6 once to make each equation correct.
N76 [4]

Answer:

(3-4)+2*6=11

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
I don’t know the answer to that one can you help me please
dybincka [34]

Answer:

16/45

Step-by-step explanation:

Step 1:  When dividing fractions, use “KFC”.  It means Keep the first fraction, Flip the second one, and  

              Change it to multiplication

-4/20 ÷ -9/16    →    -4/20 ∙ 16/-9

Step 2:  Reduce any fractions if necessary, it makes multiplying them easier and you will have to reduce anyway at the end.  It’s easier arithmetic to reduce at this step.  The first fraction reduces because both the numerator and denominator are divisible by 4.  

-1/5  ∙   16/-9    

Step 3:  Multiply numerators and denominators together to get one fraction

(-16)/(-45)  

Step 4:  Cancel out the negatives, a negative divided by a negative is a positive.  Our final answer is

 

16/45  


4 0
4 years ago
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