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andriy [413]
3 years ago
11

Math help? please.......

Mathematics
1 answer:
saveliy_v [14]3 years ago
6 0
The answer is
- 4 +  \sqrt{11}
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Need help with this question
andreyandreev [35.5K]
You multiply the numbers and add the variable's exponents.

7 0
4 years ago
Find the sum of the series and show your process for finding each term leading to the final sum.
Crazy boy [7]

ANSWER

\sum_{k=3}^5( - 2k + 5) =  - 9

EXPLANATION

The given series is

\sum_{k=3}^5( - 2k + 5)

This series is finite.

The expanded form is

\sum_{k=3}^5( - 2k + 5) = ( - 2 \times 3 + 5) + ( - 2 \times 4 + 5) + ( - 2 \times 5 + 5)

This simplifies to

\sum_{k=3}^5( - 2k + 5) = ( - 6 + 5) + ( - 8+ 5) + ( - 10+ 5)

\sum_{k=3}^5( - 2k + 5) = ( - 1) + ( - 3) + ( - 5)

\sum_{k=3}^5( - 2k + 5) =  - 9

5 0
3 years ago
I only have 5 minutes to answer please help!!
dezoksy [38]

Answer:

The answer is D

Step-by-step explanation:

4.8 times 0.5 equals 2.4+ 1.2 = 3.6 which is the total number of miles he ran/walked

Hope it helped!

7 0
3 years ago
3(a+b)=19 if a=6, then a+b=?
aniked [119]

Hello!

In a really simple way, 3 times our answer is 19. We can just divide to find it.

19/3= 6 1/3

Anyway, it might be nice to solve the equation for b. If a=6, then b has to be 1/3, but let's check.

18+3b=19

3b=1

b=1/3

Therefore, a+b= 6 1/3

I hope this helps!

6 0
3 years ago
Read 2 more answers
(x + 2) is raised to the fifth power. The third term of the expansion is:
morpeh [17]

Answer:

3

Step-by-step explanation:

6 0
3 years ago
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