Answer:
37.6
Step-by-step explanation:
x² = a² + b² - 2ab cos 140°
x² = 20² + 20² - 2(20)(20)(-0.766)
x² = 400 + 400 - 800(-0,766)
x² = 800 - (-612.835)
x² = 800 + 612.835
x² = 1412.835
x =√1412.835 = 37.6
Answer:
35*5x + 40 * 5x = 5x(40+35)= 5x(75)
Step-by-step explanation:
You can use the distributive property and you will get 5x(75)
519/6=86.5
915/7=130.7142
439/7=62.7142
812/9=90.2222
so i think its the 1st on but i may be wrong.
Answer:
c.
Step-by-step explanation:
The students in social studies club is bias, the boys will probibly pick the easier one and the teachers will pick the one that causes less mess. but the only way to have a fair and random survey is to ask every student.
The fraction would be 17over 21 but there is no number that goes into that unless you want a decimal
