Answer:
all 4 angles are congruent
Step-by-step explanation:
2 pairs of parallel sides.
4 right angles (90°).
Opposite sides are parallel and congruent.
All angles are congruent
Answer:
B. A teacher compares the pre-test and post-test scores of students
Step-by-step explanation:
the answer is true, because it is a good example to compare the tests between students, we know that a matching pair design is a random model and is used when the experiment allows grouping subjects in pairs based on a variable and each pair will receive randomly a different handling, the answer A is not true because in the example all students are uniformly averaged and the variable is not correlated with subgroups, option c is incorrect because the variable was not randomized and generates classification bias and the option d is incorrect because the teacher compares a small sample as her class with a score of a total sample, but does not intervene on her students when selecting the corresponding group
Answer:
A.6.2i-4.2 j
Step-by-step explanation:
We are given that
We have to find the projection of w on to u.
The project of vector a on b
=
Using the formula
The projection of w on to u
The projection of w on to u=6.2i-4.2j
Hence, option A is true.
equation: y = x - 4
y-intercept = -4
gradient/slope = 1/1x or x
I have no clue what this means but if theta=3, then theta is 3
