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Misha Larkins [42]
3 years ago
14

The circumference of a circle is 26 pi what is the area in square inches of the circle

Mathematics
1 answer:
melisa1 [442]3 years ago
8 0

circumference=

2\pi \: radius

26\pi = 2\pi \: raduis \:

\frac{26\pi}{2\pi}  = raduis

radius = 13

area of circle =

\pi {raduis}^{2}

area of circle=

\pi {13}^{2}

area of circle=

169\pi

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The shaded region in the graph represents the solutions of this system of linear inequalities:
kotegsom [21]

Answer:

y

y\leq 2x+3

Step-by-step explanation:

step 1

Find the equation of the solid line

From the graph take the points (0,3) and (4,11)

Find the slope

m=(11-3)/(4-0)\\m=8/4=2

The equation of the solid line in slope intercept form is equal to

y=mx+b

we have

m=2

b=3 ----> the y-intercept is the point (0,3)

substitute

y=2x+3

therefore

The inequality is

y\leq 2x+3

step 2

Find the equation of the dashed line

The slope is given

m=4

From the graph take the y-intercept (0,-5)

The equation of the solid line in slope intercept form is equal to

y=mx+b    

we have

m=4

b=-5

substitute

y=4x-5

therefore

The inequality is

y

because the shaded region is below the dashed line

therefore

The system of inequalities is

y

y\leq 2x+3

8 0
3 years ago
3x+3=108 PLSSS help Giving brainliest!!
jeka57 [31]

Answer:

x=35

Step-by-step explanation:

3x+3=108

3x=108-3

3x= 105

x= 105/3

x=35

4 0
3 years ago
You are helping a partner in your group with their problem. What mistake did they make solving the system?
Llana [10]
There is no solution
4 0
3 years ago
Which of the following sets of data will have the smallest Standard Deviation?
uranmaximum [27]

Answer: D

Step-by-step explanation:

Standard Deviation σ2 =

Σ(xi - μ)2/N

=(1 - 5.3)2 + ... + (9 - 5.3)2/10

=68.1/10

= 6.81

σ = √6.81

= 2.60959767014

B) σ2 =

Σ(xi - μ)2/N

=(3 - 61.7)2 + ... + (99 - 61.7)2/10

=58414.1/10

= 5841.41

σ = √5841.41

= 76.429117488036

C) (1 - 11.4)2 + ... + (1 - 11.4)2/10

=8758.4/10

= 875.84

σ = √875.84

= 29.59459410095

D) (79 - 79)2 + ... + (79 - 79)2/10

=0/10

= 0

σ = √0

= 0

I hope this helps, mark as Brainliest please.

6 0
3 years ago
Please help me. This is due tomorrow
IRISSAK [1]
The picture is upside down my dude, delete the question, re-upload it and ill help you out.
3 0
3 years ago
Read 2 more answers
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