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diamong [38]
3 years ago
15

What is the sum of the series? 5 ​ ∑ 2j j=1

Mathematics
1 answer:
Nookie1986 [14]3 years ago
4 0
Substituting for values of j:-

S5  =  2(1) + 2(2) + 2(3) + 2(4) + 2(5)  =  2+4+6+8+10  =  30 answer
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Make a tree diagram which shows the sample space of rolling a cube with faces numbered 1-6 and flipping a fair coin. Using this
Doss [256]

Answer:

C.)  P(5, H) = 1/12

Step-by-step explanation:

8 0
3 years ago
If y varies directly with X and y =10 and X=4 write the direct linear variation equation .
rosijanka [135]
Y= kx   (k being a constant)
10= k × 4     k=5/2

y= 5x/2    The answer is C.
7 0
3 years ago
Can somebody help me with this question, please? I have no idea how to do this or find the answer. :/ How many ways are there to
san4es73 [151]

Answer:

28 different ways

Step-by-step explanation:

This is a combination question. Combination has to do with selection.

Total number of element in the set = 8

Number divisible by 6 or 8 are {-98, -48, -42, -36, -18, -6}

Total number divisible by 6 or 8 is 6

The number of ways we can choose 6 items from 8 is expressed as;

8C6 = 8!/(8-6)!6!

8C6 = 8!/(2)!6!

8C6 = 8*7*6!/2!6!

8C6 = 8*7/2

8C6 = 56/2

8C6 = 28 ways

Hence there are 28 different ways

5 0
3 years ago
The difference between the cost of fish and the coast of meat is no less than 150​
zmey [24]

Answer:

I thought fish was another form of meat but wow!!

Step-by-step explanation:

7 0
3 years ago
the width of Jana's rectangular classroom is 1 meter more then 1/4 of its length. if the perimeter of the classroom is 24 meters
Bumek [7]
Let's call the length L, the width w.
We have w=1+L/4.
The perimeter is P=2(L+w)=24 hence L+w=12
L+w=L+(1+L/4)=5L/4+1=12
Hence L=11/5*4=8.8 meters
4 0
3 years ago
Read 2 more answers
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