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d1i1m1o1n [39]
3 years ago
8

Mr. Brown is mailing a package that weighs 11 pounds. The post office charges by the ounce. How much does Mr. Browns package wei

gh in ounces?
Mathematics
1 answer:
salantis [7]3 years ago
7 0
176 ounces
1 pound = 16 ounces
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A study on students drinking habits wants to determine the true average number of alcoholic drinks all uf underclassmen students
frutty [35]

Answer: 16

Step-by-step explanation:

Standard deviation is 2

Margin error for the problem is 1

Probability 95%, that means thet the siginficance level α is 1 – p

α = 1 – 0.95 = 0.05

margin of error (ME) can be defined as follows

ME = Z(α/2) * standard deviation/ √n

Where n is the sample size

Z(0.05/2) = Z(0.025)

Using a z table Z = 1.96

Now, replacing in the equation and find n

1 = 1.96 * 2/ √n

1 = 3.92 / √n

√n = 3.92

n = 3.92^2

n = 15.36 = 16

i hope this work for you

8 0
2 years ago
Simplify the expression. -(4x+7)
zheka24 [161]


-4x-7 also in case you want to know

7= -4x

x= -4/7

5 0
4 years ago
Read 2 more answers
Subtract six from a number cubed
Shkiper50 [21]

Answer:

2

                                               

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4 0
3 years ago
Who knows how to do this?? If so help
valina [46]
1. The lowest test score is 79.
    The highest test score is 100.
     The range is 21.
2.  The median is 93.
3.  The median of lower half is 89.
4. The median of upper half is 96.
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8 0
3 years ago
Given the equation y = 4x - 3.A) If x increases by 1 unit, what is the corresponding change in y? B) If x decreases by 5 units,
DedPeter [7]

Answer:

A) y will increase by 4 unit.

B) y will decrease by 20 units

Step-by-step explanation:

Given equation that shows relation between x and y.

y=4x-3

A) If x is increased by 4 units

   New value of  y =  4(x+1)-3

                              =4x+4-3

                              =4x+1

So, change in y = new value of y- original value of y

                         =4x+1-(4x-3)

                          =4x+1-4x+3

                          =4

Thus, the value of y will be increased by 4 units.

B) If x is decreased by 5 units

   New value of  y =  4(x-5)-3

                              =4x-20-3

                              =4x-23

So, change in y = new value of y- original value of y

                         =4x+1-(4x-3)

                          =4x-23-(4x-3)

                          =4x-23-4x+3

                          = -20

Thus, the value of y will be decreased by 20 units.

7 0
3 years ago
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