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3 years ago

What is the sum of the series?

Mathematics

2 answers:

Nikolay [14]3 years ago

5 0

44

Hope this helped!!

Natalija [7]3 years ago

4 0

Answer:

Step-by-step explanation:

k=1: 2*1-4 = -2

k=2: 2*2²-4 = 4

k=3: 2*3²-4 = 14

k=4: 2*4²-4 = 28

-2 + 4 + 14 + 28 = 44

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Factorise p^2 + 30p

Amanda [17]

Answer:

Step-by-step explanation:

hello :

p²+30p = p(p+30)

7 0

3 years ago

What is the value of x in the equation x + 24. 5 =34. 8

ser-zykov [4K]

Answer:

x = 10.3

Step-by-step explanation:

x + 24. 5 = 34.8

- 24.5 - 24.5

x = 10.3

Check your answer:

x + 24. 5 = 34.8

10.3 + 24.5 = 34.8

34.8 = 34.8

Hope this helps!

3 0

1 year ago

Read 2 more answers

Wei has already saved $1,220 for college. She expects the total cost of her first year to be $9,850, and she expects to receive

Kruka [31]

Answer: she needs to save $6510

Step-by-step explanation:

In the first year, she expects her total cost to be $9,850. Wei has already saved $1,220 for college. This means that the remaining amount that she needs would be

9850 - 1220 = $8630

she expects to receive grants and scholarships that total $2,120. Therefore, the amount of money that she should save to be able to pay for her first year of college would be 8630 - 2120 = $6510

8 0

2 years ago

Read 2 more answers

Find the value of x <br> 9<br> 7<br> X<br> 9

icang [17]

Answer:

13.41

Step-by-step explanation:

You are so welcomed