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muminat
3 years ago
10

I can't figure out the answer

Mathematics
2 answers:
Rudik [331]3 years ago
4 0
3 should be the answer
Akimi4 [234]3 years ago
4 0

Answer:

39

Step-by-step explanation:

y=arctan(0.8)=38.65=39

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The crosssectional areas of triangular prism and a night cylinder are congruent. The triangular prism has a helght of 5 units, a
dmitriy555 [2]

Answer:

The volume of the triangular prism  is not equal to the volume of the cylinder

Step-by-step explanation:

Given that:

The cross sectional area of triangular prism and a night cylinder are congruent. The term 'congruent' means when two objects or shapes are placed above each other , they should both overlap exactly.

It was given that:

The triangular prism has a height of 5 units

and the right cylinder height of 3 units

The conclusion that can be drawn from this is that:

The volume of the triangular prism  is not equal to the volume of the cylinder.

This is because, they do not occur in the same family. A triangular prism is a three - dimensional shape that has identical, parallel ends and parallel faces.

A triangular prism has two triangles at it ends and three rectangular faces.

The volume of the triangular prism is calculate by using the formula:

V= \dfrac{1}{2}\times b \times h\times l

On the other hand, a cylinder is a shape with two circular ends and a curved surface.The two circular ends are congruent and both circular end posses the same cross section from one end to the other in the cylinder.

The volume of a cylinder is calculated by using the formula:

V = πr²h

Thus, we conclude that irrespective of the nature of their congruency, since the heights are different which will definitely affects their volume, the the volume of the triangular prism is not equal to the volume of the cylinder.

3 0
3 years ago
What is the measure of the missing angle?
tatiyna

Answer:

42

Step-by-step explanation:

so 180-132 will give u top angle of triangle

which is 48 degrees

48+90+x=180

180-90-48=x

x= 42

5 0
3 years ago
Read 2 more answers
The question is in the image. ​
irina [24]

Answer:

ok so its ora de ca gar

Step-by-step explanation:

really thought this was the answer huh look at you

5 0
3 years ago
Which equation represents the graph?
mina [271]

Answer:

First choice

Step-by-step explanation:

When y = 4, x = -7 or 5

So only first choice is correct.

8 0
2 years ago
Vivian surveyed bicyclists in her community to see the average number of miles they biked per day. Her results are shown below.
Alex

Answer:

MAD of her data set is 4.

Step-by-step explanation:

Vivian surveyed bicyclists in her community to see the average number of miles they biked per day.

The data set is given below :

7, 10, 13, 4, 12, 21, 10, 3

mean=\frac{\text{Sum of data set}}{\text{number of values}}

=\frac{(7+10+13+4+12+21+10+3)}{8}

=\frac{80}{8}

= 10

MAD=\frac{\sum |A_1-f_1|}{n}

              Data point          Distance from mean

                                             

1                  7                           7 - 10   =     | -3 |     = 3

2.                10                         10 - 10  =     | 0 |       = 0

3.                13                          13 - 10  =     | 3 |     = 3

4.                4                           4 - 10    =    | -6 |    = 6

5.               12                          12 - 10   =    | 2 |     = 2

6.               21                          21 - 10   =    | 11 |   = 11

7.               10                          10 - 10   =    | 0 |     = 0

8.               3                            3 - 10   =    | -7 |   = 7

                                               

Adding the distance = 3 + 0 + 3 + 6 + 2 + 11 + 0 + 7 = 32

MAD = \frac{32}{8} = 4

MAD of her data set is 4.

Mean Absolute Deviation of this data tells about the variation of 4 miles biked each day by the bicyclists.

6 0
3 years ago
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