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Neko [114]
3 years ago
13

What is the solution of \sqrt(2x+4)=16? x = 6 x = 72 x = 126 no solution

Mathematics
1 answer:
Genrish500 [490]3 years ago
4 0
√(2x+4)=16  square both sides

2x+4=256  subtract 4 from both sides

2x=252  divide both sides by 2

x=126
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<u>7.1 cm  long is the arc</u><u> intersected by a central angle .</u>

What is length of an arc?

  • The arc length of a circle can be calculated with the radius and central angle using the arc length formula.
  • Length of an Arc = θ × r, where θ is in radian. Length of an Arc = θ × (π/180) × r, where θ is in degree.

Given,

Central angle = π / 2

radius = 4.5 cm

we apply formula of length of arc.

length of the arc = angle ×  radius

                              = (π/2) × (4.5 cm)

Now put value of π = 3.14

length of the arc = (3.14 / 2) × (4.5) cm

                            = 7.065 cm ≈ 7.1 cm

Therefore, 7.1 cm  long is the arc intersected by a central angle .

Learn more about<u> </u> length of an arc

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7 0
1 year ago
Eric is planning to paint the four pillars that are attached to the front of his house. But, he needs to know how many square fe
mariarad [96]
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3 years ago
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Answer:

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3 years ago
Maria has a 30% coupon for her $60 dollar jeans, what is the new price
yKpoI14uk [10]

Answer:

$42

Step-by-step explanation:

Since she has a 30% coupon, the new price of the jeans will be 30% of the original price subtracted from the original price

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3 0
3 years ago
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