That's the "decimal point".
<em>Roberto </em><em>did not include </em><em>the </em><em>first term</em><em> of the numerator (0-2)^2 in his calculation.</em>
The mean of the data is also known as average.
Given the set of data 0, 2, 1, 2, 5
Mean = 0+2+1+2+5/5
Mean = 10/5
Mean = 2.0
To get the standard deviation, we will use the SD formula as shown:
Comparing this with Roberto's calculation, we can see that <em>Roberto </em><em>did not include </em><em>the </em><em>first term</em><em> of the numerator (0-2)^2 in his calculation.</em>
<em>Learn more here: brainly.com/question/10557301</em>
Answer:
You have to use 20 pounds of blackberries
Step-by-step explanation:
To start, we are going to make two equations, one that represents the amount of pounds and another that represents the prices
a = blueberries
m = blackberries
a + m = 30
a * 2$ + m * $3.50 = 30 * $3
let's clear in the first equation
a + m = 30
a = 30 - m
we replace in the second equation a by (30 - m)
a * $2 + m * $3.50 = 30 * $3
(30 - m) * 2 + m * 3.50 = 30 * 3
60 - 2m + 3.5m = 90
-2m + 3.5m = 90 - 60
1.5m = 30
m = 30/1.5
m = 20
we replace m with its value in the first equation
a = 30 - m
a = 30 - 20
a = 10
<u>Scale - Convert to meters and reduced it to 1 cm:</u>
3 cm : 1000 cm | GIven
3 cm : 10m | Convert 1000cm to 10m
1 cm: 10/3 m | Find 1 cm
<u>Convert the dimensions to the actual:
</u>
7.5 cm = 7.5 x 10/3 = 25m | Convert 7.5cm on map to actual distance
15 cm = 15 x 10/3 = 50m | Convert 15m on map to actual distance²
<u>Find area of the actual pool:</u>
Area = 25 x 50 = 1250 m² | Use the formula Area = Length x Width
Answer: 1250 m²
(ab + 174)/3 <115
multiply by 3 on each side
ab + 174 < 345
subtract 174 from each side
ab < 171
248+ ab >366
subtract 248 from each side
ab> 118
Answer 118< ab < 171
