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muminat
3 years ago
8

For the following problem, which operation should be done first? 42 ÷ (12 ÷ 2) 42 ÷ 12 42 ÷ 2 42 ÷ 6 12 ÷ 2

Mathematics
2 answers:
Allisa [31]3 years ago
8 0

Answer:

The answer is the first one because you have to use the PEMDAS format to complete the equation.

alukav5142 [94]3 years ago
4 0

Answer: THE first one

Step-by-step explanation:

The first one should be done first because it follows the PEMDAS format. So  parentheses is the operation has to be done first according to pemdas.

* Hope this Helps:) Mark me the Brainliest:)

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3 years ago
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3 years ago
Sharing birthday Alana is 8 and mom is 32.. Can Alana mom age be 3 times her own age?
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4 0
3 years ago
Assume a normal distribution. From the Baltimore facility, 145 samples were obtained and compared with a sample of 128 from the
Evgesh-ka [11]

Answer:

Hello your question has some missing part below is the missing part

The mean hours per week and standard deviations for middle management who had been with the organizations for approximately the same length of time were: Baltimore facility, Burlington facility Mean 52.5 Mean 39.7

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State your hypothesis and conduct a hypothesis testing using a significance of 0.10.

answer :  We will reject the Null hypothesis

Step-by-step explanation:

μ1 = mean working hours for Baltimore facility  

μ2 = mean working hours  for Burlington facility  

Hence the Hypothesis are :

H0 : μ1 = μ2

Ha : μ1  > μ2

<em>Next:  Conduct a hypothesis testing </em>

we will apply Z - testing attached below is the hypothesis testing

n1 = 145 , X1 = 52.5 , δ1 = 19.7  ( Baltimore )

n2 = 128, X2 = 39.7 , δ2 = 8.9 ( Burlington )

6 0
3 years ago
What is the volume of the cone shown below?
andrezito [222]
<h3>Answer: Choice A) 1344π  cubic units</h3>

Work Shown:

r = 8 = radius

h = 63 = height

V = volume of the cone

V = \frac{1}{3}\pi*r^2*h\\\\V = \frac{1}{3}\pi*8^2*63\\\\V = \left(\frac{1}{3}*8^2*63\right)\pi\\\\V = \left(\frac{1}{3}*63*8^2\right)\pi\\\\V = \left(21*64\right)\pi\\\\V = 1344\pi\\\\

Side note: You could write the symbol π as "pi" without quotes.

8 0
2 years ago
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