Answer:
R. 25m + 10b = 400
Step-by-step explanation:
25m: $25 for time the mow the lawn
10b: $10 for every hour that they babysit their younger brother
400: They need $400 in total
+ : You need to add what they made for mowing the lawn and for babysitting.
15 x 10 is 150
600 - 150 is 450
Tommy still need 450 pencils
Hope this helps :)
Answer:
1:7
Step-by-step explanation:
simplify both sides of the ratio by dividing each by 9. so you have 1 and 7. 1:7
I’m not 100% sure but I believe it’s A
Answer:
D.) The mean may change, but the median will not change.
Step-by-step explanation:
By adding two new values to the existing dataset ; this two values are extreme values as described in the dataset.;
As the warmer will be the new minimum and the colder the new maximum .
The median value being the midpoint of the dataset when arranged in order will definitely not be affected by these new additions are at the beginning and end of the data set. Hence, the previous median points will Also be the new median points.
As for the mean, it has to do with calculation the average value, despite the number being at the extreme, the new points may take up any value and hence will affect the new sum and ultimately the obtained average.
Therefore,The mean may change, but the median will not change.