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Archy [21]
3 years ago
6

Ginger spent $24 at the fair, which was three times the amount she spent last year at the fair. How much money did Ginger spend

last year at the fair?
Mathematics
1 answer:
zubka84 [21]3 years ago
5 0

Answer:

She spent 8 dollars.

Step-by-step explanation:

24 divided by 3 is 8

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The area of circular garden is 530.66 feet2. What is the circumference of the garden? (Use 3.14 for .)
adelina 88 [10]

Answer:

The answer to your question is Circumference = 81.64 ft

Step-by-step explanation:

Data

Area of a circle = 530.66 ft²

Circumference = ?

π = 3.14

Process

1.- Calculate the radius of the circle

Area = πr²

-Solve for r²

  r² = Area / π

-Substitution

  r² = 530.66 / 3.14

-Simplification

  r² = 169

-result

  r = 13 ft

2.- Calculate the Circumference      

Circumference = 2πr

-Substitution

Circumference = 2(3.14)(13)

-Result

Circumference = 81.64 ft

6 0
3 years ago
What are the real and complex solutions of the polynomial equation? x^3-64=0
Marrrta [24]

Answer:

Step-by-step explanation:

A difference of two perfect cubes,  x^3 - y^3 can be factored into

(x-y) • (x^2 +xy +y^2) =0  equation 1

x ^3 - 64 = 0

(x)^3 - (4)^3 = 0   equation 2

Now substituting equation 2 into equation 1, we get

(x-4) (x^2+(x).(4) +(4)^2) = 0

(x-4) (x^2+4x+16) = 0

so the solutions are

1) x - 4 =0

x=4

x^2 + 4x + 16 = 0

By using the quadratic formula we get the followig solutions:

          - B  ±  √ B2-4AC

 x =   ————————

                     2A

x =(-4-√-48)/2=-2-2i√ 3 = -2.0000-3.4641i

x =(-4+√-48)/2=-2+2i√ 3 = -2.0000+3.4641i

4 0
3 years ago
(8x + 9) + (15 - 8x)
serious [3.7K]

Answer:

24

Step-by-step explanation:

5 0
3 years ago
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