Answer:
21
Step-by-step explanation:
7/5=21/15
5*3=15
7*3=21
Answer:
Step-by-step explanation:
sec(x) = 1/cos(x)
cos(x) = 1/(-2√3/3) = 
So x = 5
/6
Answer:
p-value = P(z < -1.5713) = 0.0581
Conclusion: Since the p-value is greater than 5%,
fail to reject.
The test results to not support the claim
Step-by-step explanation:
9514 1404 393
Answer:
45°, 135°
Step-by-step explanation:
The total of the two angles is 1+3 = 4 times the smaller angle. The total is 180°, so the smaller angle is
180°/4 = 45°
The larger angle is 3×45° = 135°
The two angles are 45° and 135°.
The answer is 221,448,757.5
Remember to use PEMDAS
