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Nitella [24]
2 years ago
12

2, 7, 7, 2, 2, 4 Mean Median

Mathematics
1 answer:
maxonik [38]2 years ago
4 0

Answer:

Mean= 4

Median= 3

Step-by-step explanation:

Mean

add all the numbers together (24)

and divide them by the number of numbers (6)

gives you 4

Median

put them in order from least to greatest

2,2,2,4,7,7

2,2  2,4   7,7

it leaves you between 2 and 4

which the middle is 3

so there

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Above is a table with missing terms. Come up with a possible common difference that makes sense and list the missing terms.
Rina8888 [55]

Answer:

common ratio:2 2. 18  3.36  4.72 equation: 4.5(2^x)

Step-by-step explanation:

144=2*2*2*2*3*3    9=3*3

the common ratio would be 2

2. 9*2=18

3. 18*2=36

4. 36*2=72

(check) 72*2=144

0. 9/2=4.5

equation: 4.5(2^x)

7 0
2 years ago
To the nearest millimeter, a cell phone is 105 mm long and 66 mm wide. What is the ratio of the width to the length?
makvit [3.9K]

Answer:

22:35

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator

GCD of 66 and 105 is 3

Divide both the numerator and denominator by the GCD

66 ÷ 3/105 ÷ 3

Reduced fraction:

22/35

therefore the ratio will be 22:35

3 0
3 years ago
A simple random sample of 100 batteries is selected from a process that produces batteries with a mean lifetime of 32 hours and
Brrunno [24]

Answer:

.b. It is one‐half as large as when n = 100.

Step-by-step explanation:

Given that a  simple random sample of 100 batteries is selected from a process that produces batteries with a mean lifetime of 32 hours and a standard deviation of 3 hours.

i.e. s = 0.3

we obtain se of sample by dividing std devitation by the square root of sample size

i.e. s= \frac{3}{\sqrt{n} }

when n =100 this = 0.3 and

when n =400 this equals 0.15

We find that when sample size is four times as large as original, std deviation becomes 1/2 of the original

Correction option is

.b. It is one‐half as large as when n = 100.

7 0
3 years ago
Multiply 6/5 x 25/2<br> PLEASE HURRY I NEED IT NOW
FromTheMoon [43]

Answer:

15

Step-by-step explanation:

65×252=?

 

For fraction multiplication, multiply the numerators and then multiply the denominators to get

6×255×2=15010

Since 150 divided by 10 equals 15 then,

15010=15

Therefore:

65×252=15

6 0
3 years ago
Read 2 more answers
Hakeem's front porch measures 9 3/4 feet by 4 feet . Estimate the area of his front porch.
Nostrana [21]
Round 9 3/4 to 10 ft

10 × 4 = 40 ft²

answer is 40ft² estimated
6 0
3 years ago
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