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3 years ago

Charles is walking arounda fountain that has a circumference of 124ft .what is the diameter of the fountain?

2 answers:

6 0

Hello.

To find the diameter you use this equation:
Radiascm x 2/pie

So it would be 124=π*d
d=124/π

So the answer would be :
d=39.47=39.4 feet

Have a nice day

soldier1979 [14.2K]3 years ago

3 0

39.4 feet :) :) bye :)

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If the tree cast a shadow of 40 feet, how tall is the tree? A. 30 feet. B.35 ft. C.40 ft. D.45 ft.

Juliette [100K]

Answer:

A)30feet

Step-by-step explanation:

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3 years ago

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Perform the addition. (3x² + 3x - 5) + (-7x² + 9)

lakkis [162]

The question is asking us to find the sum. To do this, let's first write the original equation and then take it from there.
$(3 x^{2} + 3x - 5) + (-7 x^{2} + 9)$ 
Use distributive property:
 $3 x^{2} + 3x - 5 - 7 x^{2} + 9$
Combine Like Terms:
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Therefore, the answer to your question is -4x² + 3x + 4. Hope this helps and have a fantastic day!

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3 years ago

Greenfields is a mail order seed and plant business. The size of orders is uniformly distributed over the interval from $25 to $

LekaFEV [45]

Answer:

a) 47.55

b) 58

c) 47.88

Step-by-step explanation:

Given that the size of the orders is uniformly distributed over the interval

$25 ( a ) to $80 ( b )

a) Determine the value for the first order size generated based on 0.41

parameter for normal distribution is given as ; a = 25, b = 80

size/value of order = a + random number ( b - a )

= 25 + 0.41 ( 80 - 25 )

= 47.55

b) Value of the last order generated based on random number (0.6)

= a + random number ( b - a )

= 25 + 0.6 ( 80 - 25 )

= 25 + 33 = 58

c) Average order size

= ∑ order 1 + order 2 + ----- + order 10 ) / 10

= (47.55 + ...... + 58 ) / 10

= 478.8 / 10 = 47.88

4 0

3 years ago

LING'S HALLWAY IS 10 FEET LONG AND 4 FEET WIDE. HE PAID $200 TO TILE HIS HALLWAY FLOOR. HOW MUCH DID LING PAY PER SQUARE FOOT FO

ivanzaharov [21]

Answer:

Step-by-step explanation:

10x4/200=5

5 0

3 years ago

Certain circle can be represented by the following equation.

kirill115 [55]

Answer:

Center of the circle is (-9, -7)

Radius of the circle = 5 units

Step-by-step explanation:

Given question is incomplete: here is the complete question.

Certain circle can be represented by the following equation. x^2+y^2+18x+14y+105=0.

What is the center of this circle ?

What is the radius of this circle ?

Since equation of the circle has been given by the equation,

x² + y² + 18x + 14y + 105 = 0

Now we will convert this equation to the standard form of the circle.

x² + 18x + y² + 14y = -105

[x² + 2(9)x] + [y² + 2(7)x] = -105

[x² + 2(9)x + 9²] + [y² + 2(7)y + 7²] = 9² + 7² - 105

(x + 9)² + (y + 7)² = 81 + 49 - 105

(x + 9)² + (y + 7)² = 25

(x + 9)² + (y + 7)² = 5²

By comparing this equation with the standard equation of the circle → (x - h)² + (y - k)² = r²

Center of the circle is (-9, -7) and radius of the circle is 5 units.

8 0

3 years ago

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