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lianna [129]
2 years ago
13

PLEASE HELP ME IM BEGGING

Mathematics
2 answers:
svet-max [94.6K]2 years ago
7 0
Its 1/20 but 4/20 is closer so try that :)
RideAnS [48]2 years ago
3 0

Answer:

\frac{4}{25}

Step-by-step explanation:

there are a total of 20 marbles and the chance that it is blue is 8/20 so multy that by itself and the answer is 4/25

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4. From 5 faculty members, a committee of 2 is to be formed. In how many ways can this be done?
ohaa [14]

Answer:

3

Step-by-step explanation:

7 0
3 years ago
Find the oth term of the geometric sequence 7, 14, 28, ...
yaroslaw [1]

Answer:

The nth term of the geometric sequence 7, 14, 28, ... is:

a_n=7\cdot \:2^{n-1}

Step-by-step explanation:

Given the geometric sequence

7, 14, 28, ...

We know that a geometric sequence has a constant ratio 'r' and is defined by

a_n=a_1\cdot r^{n-1}

where a₁ is the first term and r is the common ratio

Computing the ratios of all the adjacent terms

\frac{14}{7}=2,\:\quad \frac{28}{14}=2

The ratio of all the adjacent terms is the same and equal to

r=2

now substituting r = 2 and a₁ = 7 in the nth term

a_n=a_1\cdot r^{n-1}

a_n=7\cdot \:2^{n-1}

Therefore, the nth term of the geometric sequence 7, 14, 28, ... is:

a_n=7\cdot \:2^{n-1}

6 0
2 years ago
For which division problems should you write the first digit of the quotient in the hundreds place?
Levart [38]
D is the right answer
4 0
3 years ago
Read 2 more answers
Which line has the smallest slope?<br>y= 3x<br>v=9x<br>y= .4x<br>y= .25x​
pentagon [3]
Y=.25x is the answer
3 0
3 years ago
Read 2 more answers
Can someone answer this for me pls
bezimeni [28]

Answer: Lin is the most consistent and I would want to have them on my team.

Why is this? Because their dots are more clustered together compared to the other distributions. Elena may have made the most shots (9) at one point, but her data set is very spread out and more unpredictable. The more spread out a data set is, the higher the variance and standard deviation. The range is also affected by how spread out the data set is since

range = max - min

So in a rough sense, the range can be used to estimate the variance and standard deviation. Though more accurate formulas are usually the better way to go.

5 0
3 years ago
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