Answer:
all right triangles are 90 degrees and in total there is 9x so you divide 90 by 9 to get x=10 A
Answer:
10√30
Step-by-step explanation:
√5*√12*√50
√12=2√3
√50=5√2
2*5√5*√3*√2
10√5*√3*√2
10√5*3*2
10√30
Answer:
x=15
Step-by-step explanation:
The correlation coefficient r of the data set is <em>-0.28</em>
