# Posts by Vannessa

Total # Posts: 13

math
2[34+]4x98

maths
A girl walks 50m on a bearing 025° and then 200m due east.How far is she from her starting point

Algebra
Terence wants to estimate the height of a tree. He places a mirror on level ground, as shown in the picture below, and stands so that he can see the top of the tree in the mirror. Since light bounces off the mirror at the same angle at which it strikes the mirror, angle 1 ...

math
The equation y=12x + 300 shows the balance in Dale's savings account after x weeks. How much will be in the account after 10 weeks.

SOCIAL STUDIES
WHAT ARE JOINT STOCK COMPANIES

statistics
For three independent samples, each with n= 100, the respective sample proportions are 0.30, 0.35, and 0.25. Use the 0.05 level in testing whether the three population proportions could be the same.

statistics
For three independent samples, each with n= 100, the respective sample proportions are 0.30, 0.35, and 0.25. Use the 0.05 level in testing whether the three population proportions could be the same.

statistics
A research organization has collected the following data on household size and telephone ownership for 200 U.S. households. At the 0.05 level, are the two variables independent? Based on the chi-square table, what is the most accurate statement that can be made about the p-...