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lana66690 [7]
3 years ago
8

Please help and how do you know this answer

Mathematics
2 answers:
bekas [8.4K]3 years ago
8 0

Answer:

21

Step-by-step explanation:

stepan [7]3 years ago
7 0

Answer:

1.67

Step-by-step explanation:

25/15 = 1.67

The mean is estimated by dividing the total of the values by the range of values.

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In the figure above, sin 52=17/c. Based on the figure, which of the following equations is also true
hram777 [196]

Answer:

c. Cos 52 = 17/c

Step-by-step explanation:

sin(x) = cos(90-x)

3 0
3 years ago
Find an equation of the perpendicular bisector of the line segment whose endpoints are given.
REY [17]

Answer:

The equation of the perpendicular bisector line

5 x - 2 y + 31 =0

Step-by-step explanation:

<u><em> Explanation:-</em></u>

Given points are ( 0,1) and (-10,5)

The Midpoint of given two points

             (\frac{x_{1}+x_{2}  }{2} , \frac{y_{1}+y_{2}  }{2} )

             (-5 , 3)

The Slope of the line

 m =        \frac{y_{2} -y_{1} }{x_{2}-x_{1}  } = \frac{5-1}{-10} = \frac{-2}{5}

The perpendicular slope

    =   \frac{-1}{m} = \frac{-1}{\frac{-2}{5} } = \frac{5}{2}

The equation of the perpendicular bisector line

 y - y_{1} = m (x - x_{1} )

 y - 3 = \frac{5}{2} ( x-(-5))

  2 y - 6 = 5( x +5)

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6 0
3 years ago
The first is 4 inches wide and 15 inches long. ​The second is 9 inches wide. ​ ​Find the length of the second rectangle. A 6.67
Ray Of Light [21]

Answer:

D - 33.75

Step-by-step explanation:

If the rectangles are similar, then you can use this cheat:

Width:

9/4 = 2.25

2.25 is the scale factor between the two rectangles.

Using the new-found scale factor, you can do this:

15 x 2.25 = 33.75

This means the length on the second rectangle is 33.75 inches long.

Hoping this helps you! :)

3 0
3 years ago
In right triangle ABC with right angle C, the length of AB is 31 and the length of BC is 14. Find the measure of angle B. Round
aksik [14]

Answer:

1. Sine

2. 14.1

3. Cosine

4. 63.2

5. 418

> Just took it, your welcome :)

Step-by-step explanation:

6 0
3 years ago
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