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777dan777 [17]
3 years ago
14

How do i find the polar form of 1-2i

Mathematics
1 answer:
ryzh [129]3 years ago
6 0

Answer:

9

Step-by-step explanation:

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A sphere has a diameter of 12.5 inches. What is the surface area of the sphere? 50π in² 156.25π in² 625π in² 2604.17π in²
Advocard [28]
Hello!

To find the surface area of a sphere you use the equation

A = 4 \pi  r^{2}

A is surface area
r is radius which is half the diameter

Put in the values you know

A = 4 \pi 6.25^{2}

Square the number

A = 4 \pi 39.0625

Multiply the 4 and the 39.0625

A = 156.25 \pi

The answer is B) 156.25 \pi  in^{2}

Hope this helps!
3 0
3 years ago
A cube in Emily's closet where she stores her jewelry has a side length of 1 1/4 feet.
Gnom [1K]

<u>Answer:</u>

1.95 cubic feet

<u>Step-by-step explanation:</u>

We are given that Emily stores her jewelry in a cube and the cube has a side length of 1\frac{1}{4} feet.

1\frac{1}{4} feet in an decimal form is 1.25 feet.

We know that,

<em>volume of a cube = s^{3}</em>

where <em>s</em> is the side length of the cube.

So substituting this value of side length of cube in the formula to get:

Volume of cube = (1.25)^3 = 1.95 feet

3 0
3 years ago
Read 2 more answers
Solve for X please help
QveST [7]

Answer:

<em>-</em><em>1</em>

Step-by-step explanation:

<em>x</em><em> </em><em>is</em><em> </em><em>an</em><em> </em><em>unknown</em><em> </em><em>and</em><em> </em><em>can</em><em> </em><em>be</em><em> </em><em>known</em><em> </em><em>as</em><em> </em><em><u>1</u></em><em><u> </u></em><em>or</em><em> </em><em><u>-</u></em><em><u>1</u></em><em><u> </u></em><em>based</em><em> </em><em>on</em><em> </em><em>the</em><em> </em><em>circumstance</em><em>.</em><em> </em>

<em>Therefore</em><em>,</em><em> </em><em>in</em><em> </em><em>this</em><em> </em><em>case</em><em>,</em><em> </em><em>x</em><em> </em><em>is</em><em> </em><em>known</em><em> </em><em>as</em><em> </em><em><u>-</u></em><em><u>1</u></em>

3 0
2 years ago
I need math help please
poizon [28]

Answer:

n+11=15

  -11 -11

n=4

Step-by-step explanation:

subtract 11 from both sides

5 0
3 years ago
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Where can the perpendicular bisectors of the sides of a right triangle intersect?
dezoksy [38]
Perpendicular bisectors would intercept inside the triangle. A perpendicular bisectors is a line that bisects each side of the triangle and is perpendicular to it, so if you picture it in you head, you can see that they intercect inside the triangle.
4 0
3 years ago
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