M∠A′B′C′ = m∠ABC would be the answer for this. if you could give me a pic, I could answer. I don't see Triangle ABC
Part A
The angle of elevation of the staire case is given by
Part B:
<span>If
the landing of each step is changed to 17 inches and the elevation of
each step to 21 inches, the new angle of elevation for the
staircase is given by
</span><span>
</span>
Answer:
The test statistics is
Step-by-step explanation:
From the question we are told that
The sample size is n = 100
The null hypothesis is
The alternative hypothesis is
The sample mean is
The standard deviation is
The level of significance is
Generally the test statistics is mathematically represented as
=>
=>
6* 25 = 150 = (6*20= 120) + (6*5=30) Then Add 120+30= 150 so your answer is 5