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tekilochka [14]
3 years ago
6

Use the expression to complete the table.**Look above for the picture.​

Mathematics
1 answer:
alisha [4.7K]3 years ago
7 0

Answers:

110

95

80

65

75

Yay

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Pls help me with this​
Free_Kalibri [48]

Answer:

\boxed{\sf \frac{15}{22} }

Step-by-step explanation:

The radius of the circle is 7 cm.

The two legs of the triangles are 7cm as well.

Area of a trinagle is ( base × height )/2.

\frac{7 \times 7}{2} =24.5

Multiply the value by 2 since there are two triangles.

24.5 \times 2 = 49

Calculate the area of the circle.

\pi r^2

The radius is given.

\pi (7)^2

Take \pi as \frac{22}{7}

49(\frac{22}{7} )

=154

Subtract the area of the two triangles from the area of the whole circle.

154-49=105

The area of the shaded part is 105 cm². The total area of the shape is 154cm².

\frac{105}{154} =\frac{15}{22}

5 0
3 years ago
Describe the piecewise function below by evaluating the function for given values of the domain
tekilochka [14]
We have a piecewise function.
 Therefore, to find the function, we must evaluate each domain separately.
 We have then:

 For x  \leq  -2:
 The function for this domain is:
 y = -3


 
For -2 \ \textless \  x  \leq  2:
 
The function for this domain is:
 y = mx + b

 Where,
 b = -3

 m = (y2 - y1) / (x2 - x1)

 m = (1 - (-7)) / (2 - (-2))
 m = (1 + 7) / (2 + 2)

 m = 8/4

 m = 2
 Substituting:
 y = 2x - 3


 
For x\ \textgreater \  2:
 
The function for this domain is:
 y = 5
4 0
3 years ago
Which is the completely factored form of 12x3 – 60x2 + 4x – 20?
Bas_tet [7]

Answer:

2 ( 6 x^ 3 − 30 x ^2 + 2 x − 1 )

Step-by-step explanation:

6 0
3 years ago
Complete the equation of the line through (3, -1) and (4, 7)​
nikitadnepr [17]

Answer:

  y = 8x -25

Step-by-step explanation:

The two-point form of the equation of a line can be used.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  y = (7-(-1))/(4-3)(x -3) +(-1)

  y = 8(x -3) -1

  y = 8x -25 . . . . slope-intercept form of the equation

_____

We don't know what you're starting with, so we don't know how to "complete the equation." Perhaps the above equation is sufficient for the task.

4 0
3 years ago
Please solve this<br><img src="https://tex.z-dn.net/?f=%20%7Cx%20%5E%7B2%7D%20%2B%203x%20-%201%20%7C%20%20%3C%203" id="TexFormul
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8 0
3 years ago
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