Answer:
1/ x = 22.5°
2/ x = 60°
Step-by-step explanation:
1/ We have: 3x + 2x + 3x = 180°
=> 8x = 180° => x = 22.5°
2/ We have: x + x + x = 3x = 180°
=> x = 60°
Answer:
Point form: (-1,1)
Step-by-step explanation:
y=2x+3, -y=2x+1
Point form: (-1,1)
Equation form: x = -1, y = 1
Answer:
5.7 is the answer I had the same question in my test
Answer:
0.0009
Step-by-step explanation:


n = 8
This is the left tailed test .
The null and alternative hypothesis is ,


Test statistic = z=-3.12 from the table.
P(z <-3.12 ) = 0.0009
P-value =0.0009
Answer:
280
Step-by-step explanation:
first make a proportion. 7 over 250= x over 10,000. cross multiply to get 250x=70,000. 70,000 divided by 250 which gets you 280.