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Licemer1 [7]
3 years ago
11

Can someone solve this please

Mathematics
1 answer:
alisha [4.7K]3 years ago
5 0

Answer:

12,475.3cm^3

Step-by-step explanation:

volume = π x r2 x h

π x 19^2 x 11 = 12,475.264

rounded = 12,475.3

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I am Lyosha [343]
Central angle  = 360 / 24  = 15 degrees

ARc length =  r * theta,    where theta is the angle in radians  and r = radius
                  = 15 * 15 * pi/180  
                  =  3.93 feet to nearest hundredth.

Area of sector =  area of circle / 24  = pi*15^2 / 24 =  29.45 ft^2 
6 0
3 years ago
Professor wonders whether a student's homework average (X) could be used to predict their final grade in the course (Y) . She ca
Anna11 [10]

Answer:

The dependent variable is the final grade in the course and is the vriable of interest on this case.

H0: \beta_1 = 0

H1: \beta_1 \neq 0

And if we reject the null hypothesis we can conclude that we have a significant relationship between the two variables analyzed.

Step-by-step explanation:

On this case w ehave the following linear model:

Y= 21.839 +0.724 X

Where Y represent the final grade in the course and X the student's homework average. For this linear model the slope is given by \beta_1 = 0.724 and the intercept is \beta_0 = 21.839

Which is the dependent variable, and why?

The dependent variable is the final grade in the course and is the vriable of interest on this case.

Based on the material taught in this course, which of the following is the most appropriate alternative hypothesis to use for resolving this question?

Since we conduct a regression the hypothesis of interest are:

H0: \beta_1 = 0

H1: \beta_1 \neq 0

And if we reject the null hypothesis we can conclude that we have a significant relationship between the two variables analyzed.

3 0
3 years ago
Which type of angle is ABC
AleksAgata [21]
ABC is a right angle
4 0
3 years ago
Read 2 more answers
At a factory, Taj produces 23 toys per hour and Rosa produces 47 toys per hour. How many hours will it take for
Kruka [31]

Answer:

7 hours

Step-by-step explanation:

47+23=70

1hour = 70 toys

? = 490 toys

Then you cross multiply:

1hour*490 toys= 490/70 = 7 hours

____________

70 toys

8 0
3 years ago
Which shape does the intersection of the vertical plane with the prism look like?
Verizon [17]

Answer:

it looks like an triangle in the option above lol

7 0
3 years ago
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