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solong [7]
3 years ago
6

Solve the problem. Check answers to be sure they are reasonable.

Mathematics
1 answer:
eimsori [14]3 years ago
4 0

Answer:

8

Step-by-step explanation:

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A circle with radius \pink{5}5start color #ff00af, 5, end color #ff00af has a sector with a central angle of \purple{\dfrac{9}{1
umka2103 [35]

Answer:

A \approx 35.34 sq. units.

Step-by-step explanation:

A sector of a circle is a "part" of a circle.

We are given that the radius of the circle is "5" and the central angle of a sector of the circle is \frac{9}{10}\pi

We want the area of the sector.

The angle given is in radians, so we need the formula for area of a sector of a circle (in radians), which is:

A=\frac{1}{2}r^2 \theta

Where

r is the radius

\theta is the angle in radians

Substituting the known values, we have:

A=\frac{1}{2}r^2 \theta\\A=\frac{1}{2}(5)^2 (\frac{9\pi}{10})\\A=\frac{1}{2}(25)(\frac{9\pi}{10})\\A=\frac{225\pi}{20}\\A=11.25\pi\\A \approx 35.34

The area approximately is 35.34

7 0
3 years ago
1. A rectangular garden has a perimeter of
antoniya [11.8K]

Answer:

Length: 48

Width: 12

Step-by-step explanation:

Substition

l - 2w = 24

I = 60 - w

60 - w - 2w = 24

60 - 3w = 24

-3w = -36

w = 12

Substitute it into the equation to get the length.

l = 60 - 12

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6 0
3 years ago
Calculate the distance between the points (-8,1) and (0,7)
guapka [62]

Answer:

10 units

Step-by-step explanation:

\boxed{distance =   \sqrt{(x2 - x1)^{2}  + (y2 - y1)^{2} }}

Using the distance formula above,

distance between the 2 points

=  \sqrt{[0 - ( -  8)]^{2} + (7 - 1)^{2}  }  \\  =  \sqrt{(0 + 8)^{2} + 6^{2}  }  \\  =  \sqrt{ {8}^{2}  + 36}  \\  =  \sqrt{64 + 36}  \\  =  \sqrt{100}  \\  = 10 \: units

8 0
3 years ago
You track the temperature from the time you eat lunch to the time you go to bed. You find that it drops 2 degrees each hour for
Kryger [21]
I think the answer is maybe A
5 0
3 years ago
Read 2 more answers
Help please...........
lianna [129]
The correct answer is:  [B]:  " {2, 6, 8} " .
___________________________________________________
6 0
3 years ago
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