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Aleksandr-060686 [28]
3 years ago
9

2xsquare-6x+3=0 by completing the square method ???

Mathematics
1 answer:
kondaur [170]3 years ago
6 0

Answer:

x=2.5 or 0.53

Step-by-step explanation

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The graph below shows the total cost for lunch, c, when Will and his friends buy a large salad to share and several slices of pi
MatroZZZ [7]

Answer:

The answer is $2.50

Step-by-step explanation:

Its correct bruh

7 0
2 years ago
Read 2 more answers
Which expression is equivalent to 2^4 ⋅ 2^−7?
IRISSAK [1]

the answer for this is:

subtract 7 from 4 to get -3

 you then have 2^-3

remove the negative exponent by rewriting as 1/(2^3)


4 0
3 years ago
Read 2 more answers
A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year:
Kaylis [27]

Answer:

A.

mean = 724.2

Median = 715

Mode = 768

B.

Range = 85

Standard deviation = 29.30

C.

Interval = [665.6, 782.8]

Step-by-step explanation:

Number of samples n = 25

Summation X= 769 + 691 + 699 +730+711+ 765+ 702 718 +719 +712+ 768 +688 +757+695 768 +735 +709 +758 +708+ 693 +736 700+ 687 +772 +715 = 18105

A.

1. Mean = 18105/25

= 724.2

2. Median is the middle value when arranged from the least value to the highest = 715

3. Mode is the number with the highest frequency = 768 (occured two times)

B.

1. Range = highest value - lowest value

Highest value = 772

Lowest value = 687

772-687 = 85

2. Standard deviation = √(X-barX)²/n-1

= √20604/25-1

=√858.5

= 29.30

Please check attachment for the full calculation of the standard deviation

C.

Interval

[Mean - 2(sd), mean + 2(sd)]

= [724.2-2x29.3, 724.2+2x29.3]

=[665.6, 782.8]

4 0
2 years ago
Use the data below.
LuckyWell [14K]

Step-by-step explanation:

mean = sum of all data points / number of data points

(22+16+18+14+16+34+20)/7 = 140/7 = 20

median is the number, where half of the data points are smaller, and the other half are larger.

first we need to sort the data points

14, 16, 16, 18, 20, 22, 34

median = 18

mode is the data point occurring most often.

mode = 16 (occurring 2 times, while the others occur only once).

range is the difference between the largest and the smallest data point.

range = 34 - 14 = 20

5 0
1 year ago
Arătati ca:<br> (5 puterea n +5 puterea n+1 +5 la puterea n) se divide cu 31.
katen-ka-za [31]
I am taking french but im only 7% fluent as of yet
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3 years ago
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