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Setler [38]
2 years ago
11

Please help me I’m so lost

Mathematics
1 answer:
Sedaia [141]2 years ago
8 0

Answer:

43.01 Mi (Assuming that the 5 is referring to that side)

Step-by-step explanation:

Side (a)

5

mi

Perimeter

25

mi

Area

43.01

mi

Diagonal (d)

8.09

mi

Height (h)

7.694

mi

Circumcircle radius (R)

4.253

mi

Incircle radius (r)

3.441

mi

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Please help. Have a good day
Verizon [17]
It will take her 9 days to run 4 miles. She will not be able to run in whole week.
7 0
2 years ago
Estimate the square root to the nearest integer and tenth square root of 8
Sever21 [200]

Answer:

√

8

≈

3

Explanation:

Note that:

2

2

=

4

<

8

<

9

=

3

2

Hence the (positive) square root of  

8

is somewhere between  

2

and  

3

. Since  

8

is much closer to  

9

=

3

2

than  

4

=

2

2

, we can deduce that the closest integer to the square root is  

3

.

We can use this proximity of the square root of  

8

to  

3

to derive an efficient method for finding approximations.

Consider a quadratic with zeros  

3

+

√

8

and  

3

−

√

8

:

(

x

−

3

−

√

8

)

(

x

−

3

+

√

8

)

=

(

x

−

3

)

2

−

8

=

x

2

−

6

x

+

1

From this quadratic, we can define a sequence of integers recursively as follows:

⎧

⎪

⎨

⎪

⎩

a

0

=

0

a

1

=

1

a

n

+

2

=

6

a

n

+

1

−

a

n

The first few terms are:

0

,

1

,

6

,

35

,

204

,

1189

,

6930

,

...

The ratio between successive terms will tend very quickly towards  

3

+

√

8

.

So:

√

8

≈

6930

1189

−

3

=

3363

1189

≈

2.828427

8 0
3 years ago
IMPORTANT PLEASE HELP
Mademuasel [1]

Answer:

a + c = 80

a = 2c - 8

Step-by-step explanation:

Topic: Algebra

5 0
2 years ago
1.Write (x3)5 using a single exponent
Rina8888 [55]
You multiply the exponents together to get a single exponent, in this case, 15
7 0
3 years ago
Read 2 more answers
if mary earns $247.25 for gardening. if she worked 21.5 hours this month, then how much did she earn per hour?
N76 [4]
She earned 11.5 per hour! And we know this because 247.25 divided by 21.5 = $11.5 per hour ( hope this helps:)
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2 years ago
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