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Ad libitum [116K]
3 years ago
12

The square of a number equals nime times that number.find the number

Mathematics
1 answer:
melomori [17]3 years ago
3 0

Answer:

9

Step-by-step explanation:

9^2 is equal to 9x9 the ^2 square means multiply by itself

good luck:)

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Find the area of each regular polygon. Round to the nearest tenth.
miskamm [114]

Given:

A regular polygon with three vertices and side 14 cm.

To find:

Area of the regular polygon.

Solution:

We know that, a regular polygon has equal sides and equal interior angles.

The given regular polygon has three equal sides, it means it is an equilateral triangle.

The area of an equilateral triangle is:

A=\dfrac{\sqrt{3}}{4}a^2

Where, a is the side length of the triangle.

Putting a=14, we get

A=\dfrac{\sqrt{3}}{4}(14)^2

A=\dfrac{\sqrt{3}}{4}(196)

A=84.87049

A\approx 84.9

Therefore, the area of given regular polygon is 84.9 cm².

6 0
3 years ago
How many coefficients are in the expression 5x^3-2x^2+6x-4
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There are 3 co-efficients in this expression
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ICE Princess25 [194]

Answer:

x> -10

Step-by-step explanation:

in order to find what the value of X is you have to multiply the 5 of the denominator into the -6 which would make -30.

You would then divide by 3 in order to get x by itself and would get -30÷3= -10

therefore the answer should be greater than -10

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2 years ago
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HELP PLEASE !!!!!!! Pythagorean theorem
Phoenix [80]

Answer:

\large\boxed{x=8\sqrt3}

Step-by-step explanation:

The Pythagorean theorem:

leg^2+leg^2=hypotenuse^2

We have:

leg=8, leg=x,\ hypotenuse=16

Substitute:

8^2+x^2=16^2

64+x^2=256        <em>subtract 64 from both sides</em>

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3 years ago
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Ad libitum [116K]

Answer:

The slope of dotted line 1.

The slope of reflection -1.

Step-by-step explanation:

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