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Natalija [7]
4 years ago
14

(45 1/5)- (-16 9/11)

Mathematics
1 answer:
Viktor [21]4 years ago
7 0
On the TI-34 multiview the answer was
62 1/55

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Graph the function. <br><br> y = -x + x2
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I’ve attached a photo of the graph.

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3 years ago
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A pizza shop advertises that they deliver in 30 minutes or less or it is free. People who live in homes that are located on the
Komok [63]

Answer:

The correct option is a) H_0: m ≤ 30, H_a: m > 30

Step-by-step explanation:

Consider the provided information.

A pizza shop advertises that they deliver in 30 minutes or less or it is free.

People who live in homes that are located on the opposite side of town believe it will take the pizza shop longer than 30 minutes to make and deliver the pizza.

H_0: Pizza shop makes and delivers the pizza ≤ 30 minutes.

H_a: Pizza shop makes and delivers the pizza m > 30 minutes.

Hence, the correct option is a) H_0: m ≤ 30, H_a: m > 30

7 0
3 years ago
1/(cos × + 1) - 1/( cos x -1) = ?
AlexFokin [52]

Answer:

56

Step-by-step explanation:

I do not know.

4 0
4 years ago
Roman is shipping a cardboard box that is a rectangular prism. The net of Roman's box is shown. What is the area of cardboard, i
Fiesta28 [93]

Answer:

The surface area is 248 square inches

Step-by-step explanation:

The missing dimensions (that complete the question) are:

Length = 4\ in --- L

Width = 6\ in ---- W

Height =10\ in --- H

Required:

Calculate the surface area

The surface area is:

Area = 2(L*W + L*H + H*W)

Substitute values for L, W and H

Area = 2(4*6+ 4*10 + 10*6)

Area = 2(24+ 40 + 60)

Area = 2(124)

Remove bracket

Area = 2*124

Area = 248

3 0
3 years ago
A chemical plant is required to maintain sulfur dioxide levels in the working environment atmosphere at an average level of no m
grigory [225]

Answer:

1. Type I error = 0.0241

2. Power of test = 0.2146

Step-by-step explanation:

1.  

Test statistic:

z = (x- µ)/(σ/√n)

  = (0.15 - 0.125)/(0.04/√10)

  = 0.025/0.0126

 = 1.9764

p-value = 1- NORM.S.DIST(1.9764, 1)

            = 0.0241

Type I error = 0.0241

2.

If true µ₁ = 0.14,

then Power, (1 - β) is given as;

1 - β = P(X ≥ 0.15 | µ₁ = 0.14)

      = P(Z ≥ (0.15 - 0.14)/(0.04/√10) )

      = P(Z ≥ 0.79)

      = 1 - P(Z < 0.79)

Using excel function :  

  = 1 - NORM.S.DIST(0.79, 1)

  = 1 - 0.7854

  = 0.2146

Power of test = 0.2146

7 0
3 years ago
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