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VLD [36.1K]
3 years ago
12

If f(x) = 2x^2 + 1 and g(x) = 3x - 2, what is the value of f(g(-2))?

Mathematics
1 answer:
Kamila [148]3 years ago
4 0
F(g(-2))

f(3(-2)-2)

f(-8)

2(-8)^2+1

2(64)+1

128+1

129
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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
1 year ago
What is the length of line segment DC
Misha Larkins [42]

The answer is 3 units.


12/4= 3

9/3= 3 units

4 0
3 years ago
Read 2 more answers
Please please help will give brainlist
Alla [95]

Step-by-step explanation:

13  \frac{1}{8}

is the required answer

3 0
1 year ago
0.25x-8=16 what value of x makes the equation true?
prohojiy [21]
0.25x-8=16 add 8 to both sides. you get 0.25x=8. divide by .25 on each side x=32
8 0
3 years ago
Im stumped and timed.
VLD [36.1K]
I believe the answer for the second one is B ( I took this last year but I think it’s that one)
5 0
3 years ago
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