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slamgirl [31]
2 years ago
11

For what value of n is In - 11 + 1 equal to 1?

Mathematics
1 answer:
Leviafan [203]2 years ago
8 0
It would be 11 if I’m reading this right
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31 gallons of gas cost $82.15.
Nadya [2.5K]
82.15 / 31 = 2.65 per gallon
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3 years ago
How many natural numbers from 78 to 24?
I am Lyosha [343]
54 numbers is the answer
3 0
2 years ago
You are testing the claim that the mean GPA of night students is different from the mea GPA of day students. You sample 20 night
svetlana [45]

Answer:

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

Step-by-step explanation:

Here n= 20

Sample mean GPA = x`= 2.84

Standard mean GPA = u= 2.55

Standard deviation = s=  0.45.

Level of Significance.= ∝ = 0.01

The hypothesis are formulated as

H0: u1=u2   i.e the GPA of night students is same as the mean GPA of day students

against the claim

Ha: u1≠u2

i.e the GPA of night students is different from the mea GPA of day students

For two tailed test  the critical value is  z ≥ z∝/2= ± 2.58

The test statistic

Z= x`-u/s/√n

z= 2.84-2.55/0.45/√20

z= 0.1441

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

8 0
2 years ago
ASAP!!! PLEASE help me solve this question!!!! I really need help...
GenaCL600 [577]

Answer:

304(pi) g

Step-by-step explanation:

First we find the volume of the hollow ball. Then we find the mass using the volume and density.

Let R = exterior radius = 3 cm

Let r = interior radius = 2 cm

volume = exterior volume - interior volume

volume = (4/3)(pi)R^3 - (4/3)(pi)r^3

volume = (4/3)(pi)(R^3 - r^3)

volume = (4/3)(pi)(3^3 - 2^3) cm^3

volume = (4/3)(pi)(27 - 8) cm^3

volume = (76/3)pi cm^3

Now we use the density and the volume to find the mass.

density = mass/volume

mass = density * volume

mass = 12 g/cm^3 * (76/3)pi cm^3

mass = 304(pi) g

Answer: 304(pi) g

6 0
3 years ago
Read 2 more answers
Please help me [Below is the graph of equation y=|x+2|-1. Use this graph to find all values of x such that y<0] IF YOU PUT A
Alchen [17]

Answer:

x ∈ (-3, -1)

Step-by-step explanation:

In the graph, the vertical axis represents the y-value, while the horizontal axis represents the x-value.

y < 0 (y smaller than zero) happens in the region where the graph is below the horizontal axis.

Only by looking at the graph, we can see that y < 0 (the graph is below the horizontal axis) for the values of x in the interval (-3, -1)

Then all the values of x such that y < 0 are:

x ∈ (-3, -1)

3 0
2 years ago
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