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BabaBlast [244]
3 years ago
7

Which term of the sequence is 7.5?

Mathematics
2 answers:
nikitadnepr [17]3 years ago
4 0
If this is the complete question with its accompanying choices:

<span>Which term of the sequence is 7.5? </span>

<span>n= 1, 2, 3, 4 </span>
<span>h(n)= 60, 30, 15, 7.5 </span>

<span>a) 1st </span>
b) 2<span>nd </span>
c) <span>3rd </span>
d) <span>4th
</span>
Then 7.5 is the 4th term..

If n = 1, then h(n) = 60
If n = 2, then h(n) = 30
If n = 3, then h(n) = 15
If n = 4 ; then h(n) = 7.50

The succeeding number is equal to 1/2 of the preceding number. 

ValentinkaMS [17]3 years ago
3 0
The 4th term. I just took the test
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Suppose a jar contains 15 red marbles and 19 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same
Kay [80]

Answer:    \bold{\dfrac{35}{187}}

<u>Step-by-step explanation:</u>

1st marble  and   2nd marble

 \dfrac{15\ red}{34\ total}       \times        \dfrac{14\ red}{33\ total}           =\dfrac{15\times 14}{34\times 33}=\dfrac{5\times 7}{17\times 11}= \boxed{\dfrac{35}{187}}

8 0
3 years ago
Can someone show me how to factor this? 5k-35
kaheart [24]
Sure.
Can you find a number that goes into both terms, 5k and 35 ?
How about 5 ?

(5k - 35) = 5 times (k - 7) .
6 0
3 years ago
Read 2 more answers
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Anna11 [10]

Answer:

no 8 is 90° and no 9 is two

Step-by-step explanation:

90° and two circles can pass through a given point

8 0
3 years ago
Help !!!!
svp [43]
The mean of the data is 11

now we find the difference between the mean and each number
1, 2, 3, 0.5, 0.25, 1.25, 1. 

now we square the numbers 
1, 4, 9, 0.25, 0.0625, 1.

now we find the mean of the new numbers
which is 2.1875

2.1875 is your standard deviation.

6 0
3 years ago
50% of what number is 11.72
Setler [38]

Answer:

50% of what number is 11.72 = 23.44

Step-by-step explanation:

50% is half, so simply doube it.

5 0
3 years ago
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