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Allushta [10]
3 years ago
15

Find the range of the function. f(x) = -7x2 – 3 -

Mathematics
1 answer:
Irina-Kira [14]3 years ago
8 0

Answer:

its x: x< -3

Step-by-step explanation:

ya

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Write the standard equation of the circle with center (1,2) and radius of 2
MrMuchimi

Answer:

(x – h)2+ (y – k)2 = r2

Step-by-step explanation:

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The volume of a sphere is 2862π m3. What is the surface area of the sphere to the nearest tenth. PLEASE HELP AND QUICK!
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Answer:

<h3>A≈974.83</h3><h3>V Volume </h3><h3>2862</h3><h3>Step-by-step explanation:</h3>

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Use 3 for at Volume of a Cylinder
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Step-by-step explanation:

464.5cm³

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3 0
3 years ago
N+16= -13 solve for n
PIT_PIT [208]

Answer:

n = -29

Step-by-step explanation:

n + 16 = - 13

   - 16    -16

n = -29

6 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!!
boyakko [2]

Answer:

  (7√6)/2

Step-by-step explanation:

The side ratios in these special triangles are ...

  30°-60°-90° triangle: 1 : √3 : 2

  45°-45°-90° triangle: 1 : 1 : √2

This tells you the length of the horizontal line is 7√3, and the value of x is ...

  (7√3)/√2 = (7√6)/2

_____

<em>Additional comment</em>

Call the length of the horizontal line "y". Then the given ratios tell you ...

  7 : y = 1 : √3   ⇒   y/7 = √3/1   ⇒   y = 7√3

and

  x : y = 1 : √2   ⇒   x/y = 1/√2   ⇒   x = y/√2

When we rationalize the denominator, we get ...

  x = (y√2)/2 = ((7√3)√2)/2 = (7√6)/2

4 0
2 years ago
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