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Anarel [89]
3 years ago
10

If it's 2:30 PM what time is it gonna be in 45 minutes

Mathematics
1 answer:
natta225 [31]3 years ago
7 0
3:15pm hope this helps bff
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kai calculates that he spends 15% of a school day in science class. If he spends 75 minutes in science class, how many minutes d
jasenka [17]
Im not sure but I would think you would divide 75 by .15. That would get you 500. So 500 minutes would be your answer.
5 0
3 years ago
What is the 8th term of the geometric sequence a2 = 20 and r = 5
algol [13]

Answer:

8th term of geometric sequence is 312500

Step-by-step explanation:

 Given :  a_2=20 and common ratio (r) = 5

We have to find the 8th term of the geometric sequence whose a_2=20 and common ratio (r) = 5  

Geometric sequence is a sequence of numbers in which next term is found by multiplying by a constant called the common ratio (r).

     a_n=ar^{n-1}  ......(1)

where  a_n  is nth term and a is first term.

For given sequence

a can be find using  a_2=20 and r =  5

Substitute in (1) , we get,

a_2=ar^{2-1}

\Rightarrow 20=a(5)  

\Rightarrow a=4

Thus, 8th term of the sequence denoted as  a_8

Substitute n= 8 in (1) ,  we get,

a_8=ar^{8-1} \\\\a_8=(4)r_{7} \\\\a_8=4(5)^7=4 \times 78125=312500

Thus 8th term of geometric sequence is 312500

8 0
3 years ago
what are the mean variacne and standard deviatioon of the values? round to the nerates tenth. 11,11,3,1,11
alexdok [17]

Answer:

Mean = 8

Variance = 22

Standard deviation = 4.6904

Step-by-step explanation:

To find out Mean the formula is : total sum of data set / number of values

(11 + 11 + 3 + 1 + 11 + 11) / 6 = 48 / 6 = 8

Mean = 8

Now for variance we will form a table

x                  11     11     3      1      11      11

(x - Mean)    3     3    -5     -7      3      3  

(x - Mean)²   9     9    25    49    9      9

Now we the formula of variance =

Variance = (9+9+25+49+9+9)/(6-1) = 110/5 = 22

Variance = 22

Now we know Standard deviation = √(variance)

Therefore standard deviation = √22 = 4.6904

Hope this helps!<3

4 0
2 years ago
Read 2 more answers
Liam is setting up folding chairs for a meeting. If he arranges the chairs in 5 rows of the same length, he
timofeeve [1]

Answer:

33 chairs

Step-by-step explanation:

3 0
3 years ago
There are 5 types of fruit in a basket. There are 3 apples, 2 bananas, 4 oranges, 5 kiwi, and 1 passionfruit. You ask a friend t
creativ13 [48]

Answer:

Five out of fifteen or one out of three

Step-by-step explanation:

Add up all of the fruit in the basket - 15

Number of kiwi - 5

If you simplify 5/15 you get:

1/3

3 0
2 years ago
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