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algol13
3 years ago
15

Solve the equation X3 equals -215

Mathematics
2 answers:
Serggg [28]3 years ago
7 0
X3=-215
X3/3=-215/3
X~~-71.7
Novosadov [1.4K]3 years ago
4 0

Answer..

Step-by-step explanation:

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Square root of 50 + square root of 18
skelet666 [1.2K]

if ya asking for simpliicatio

remember that \sqrt{ab}=(\sqrt{a})(\sqrt{b})

and

\sqrt{a^2}=(\sqrt{a})(\sqrt{a})=a

\sqrt{50}+\sqrt{18}=

factor

(\sqrt{2})(\sqrt{5})(\sqrt{5})+(\sqrt{2})(\sqrt{3})(\sqrt{3})=

(\sqrt{2})(5)+(\sqrt{2})(3)=

5\sqrt{2}+3\sqrt{2}=

8\sqrt{2}

5 0
3 years ago
Which is the answer of the following question
fgiga [73]

Answer:

<u>B) 25.12 cm</u>

Step-by-step explanation:

<u>Arc length</u>

  • 2πr x 1/4
  • 2 x 3.14 x 16/4
  • 8 x 3.14
  • <u>25.12 cm</u>
3 0
2 years ago
Which of the following is the solution to the following systems of inequalities? (picture included)
Ymorist [56]

Answer:

  C.  (see the attachment)

Step-by-step explanation:

Both inequalities include the "or equal to" case, so both boundary lines will be solid. That excludes choices A and D.

The first inequality is plotted the same way in all graphs, so we must look at the second inequality. The relationship of y and the comparison symbol is ...

  -y ≥ (something)

If we multiply by -1, we get ...

  y ≤ (something else)

This means the solution space will be <em>on or below (less than or equal to) the boundary line</em>. This is the shaded area in graph C. (Graph B shows shading <em>above</em> the line.)

___

<em>Further comment</em>

Since the boundary for the second inequality is fairly steep, "above" and "below" the line can be difficult to see. Rather, you can consider the relationship of x to the comparison symbol. For the second inequality, that is ...

  x ≥ (something)

indicating the solution space is <em>on or to the right of the boundary line</em>.

3 0
3 years ago
What is the value of x?<br><br> A) x = 32<br> B) x = 36<br> C) x = 37<br> D) x = 40
stepan [7]

Answer:

Step-by-step explanation:

7 0
3 years ago
Find the exact area of the shaded please helppp ILL GIVE BRAINLIESTTTTTT
musickatia [10]

Answer:

The exact area is 5\pi

Step-by-step explanation:

The area of the major circle is subtracted from the area of the minor circle (blank)

Major circle

r=\frac{6}{2} =3

A=\pi r^{2} =\pi (3)^{2} =\pi (9)=9\pi

Minor circle:

r=\frac{4}{2} =2

A=\pi r^{2} =\pi (2)^{2} =\pi (4)=4\pi

The shaded area:

9\pi -4\pi =5\pi

Hope this helps

8 0
2 years ago
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