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lana66690 [7]
3 years ago
11

19. The area A of a circle is pi times the radius r squared. Translate into a equation

Mathematics
1 answer:
Helga [31]3 years ago
4 0
A= πr²
.… … … … ……… …
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Sally works as an estimator for​ G&J Electric. She has determined that 550 feet of electrical cable will be needed to wire a
GuDViN [60]

Given :

Initial length of electric cable needed, L=550\ ft.

Later, Sally is told that the homeowner has decide to cut back from a​ three-car garage to a​ two-car garage, which will eliminate two branch​ circuits, one of 23 feet and the other of 34 feet.

To Find :

How many feet of wire will be needed​ now.

Solution :

Wire needed is given by :

Required = Total wire - ( length of 1nd branch + length of 2nd branch )

Required = 550 - ( 23 + 34 )

Required = 550 - ( 57 ) ft

Required = 443 ft

Therefore, length of wire required is 443 ft.

Hence, this is the required solution.

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3 years ago
A regular polygon has
beks73 [17]

Answer:

angles that are all equal and sides that all have the same length

Step-by-step explanation:

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3 years ago
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I need help with this question please
Elza [17]

The changes in Z would be = 6.1× 10^-4.

<h3>Calculation of the unknown value</h3>

Z = Sin (x³ +y³)

Where X = 0.3

y = 0.2

Z= Sin ( 0.3³ + 0.2³)

Z= Sin ( 0.027 + 0.008)

Z= Sin ( 0.035)

Z= 6.1× 10^-4

Therefore, the changes in Z would be = 6.1× 10^-4.

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5 0
1 year ago
Which expression is equal to f(x)/g(x)
Pani-rosa [81]

Answer: i'd say c

Step-by-step explanation:

8 0
3 years ago
Mafalda has a save percentage of 0.7380.7380, point, 738 so far this hockey season. Last season, her save percentage was 0.5850.
Snowcat [4.5K]

Answer:

0.153

Step-by-step explanation:

We have been given that Mafalda has a save percentage of 0.738 so far this hockey season. Last season, her save percentage was 0.585.

To find improvement in Mafalda's save percentage we will subtract last season's save percentage from this season's save percentage.

0.738-0.585=0.153

Therefore, Mafalda's save percentage improved by 0.153.

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3 years ago
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