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Lorico [155]
4 years ago
5

Heidi solved the equation 3(x+4)+2=2+5(x-4)

Mathematics
1 answer:
dimaraw [331]4 years ago
8 0
3x+14=2+5x-20
3x+14=5x-18
-5x -5x
-2x+14=-18
-14 -14
-2x=-32
Divide that -32 with -2
And the answer is x=16.
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What is the x of 2/3x squared minus 6x plus 15
iogann1982 [59]
(2/3)x^2 -6x + 15 = 0
Using the quadratic formula:
x = [-b +-sq root(b^2 - 4 *a*c)] / 2a
x= [--6 +-sq root(36 -4*(2/3)*15] / 2*(2/3)
x= [6 +-sq root 36 -40] / (4/3)

x1 = 4.5 + (2i / (4/3))
x1 = 4.5 + 1.5i
x2 = 4.5 - (2i / (4/3))
x2 = 4.5 - 1.5i




4 0
4 years ago
HELP URGENT. The following sphere has a diameter of 18 cm. What is the volume of the sphere? Use 3.14 for and round your answer
Trava [24]

The volume of the sphere with the given value of diameter is to the nearest tenth is 3052.1cm³.

Option C is the correct answer.

<h3>What is the volume of the sphere?</h3>

The volume of  the sphere is the amount of space occupied within the sphere.

Volume of sphere is expressed as;

V = (4/3)πr³

Where r is the radius and π is pi ( π = 3.14 )

Given that;

  • Diameter of the sphere d = 18cm
  • Radius r = d/2 = 18cm/2 = 9cm
  • Constant pi π = 3.14
  • Volume V = ?

V = (4/3)πr³

V = (4/3) × 3.14 × 9cm)³

V = (4/3) × 3.14 × 729cm³

V = 3052.1cm³

Therefore, the volume of the sphere with the given value of diameter is to the nearest tenth is 3052.1cm³.

Option C is the correct answer.

Learn more about volume of hemisphere here: brainly.com/question/3362286

#SPJ1

6 0
2 years ago
Find the possible values of r in the inequality 5 &gt; r - 3.
ioda
The answer to this question is A
3 0
4 years ago
Read 2 more answers
What is 14/49 simplified
Monica [59]

Answer:

2/7 or 0.285714

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
3 friends get jobs at stores in mall. Nina earns $117.60 for 14 hours of work. Ty earns $148.50 for 18 hours of work. Kim earns
dusya [7]
Nina = 8.40 ty= 8.25 Kim =8. 60
3 0
3 years ago
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