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4 years ago

10

How do you use the keyboard on the computer to write exponents and other algebraic symbols

1 answer:

ICE Princess25 [194]4 years ago

7 0

You will have to type it into Microsoft word first, type a number or algebraic expression into a Word document. Press the "Ctrl," "Shift" and "=" keys on your keyboard to turn on the Superscript mode. Enter another number or expression signifying the exponent.

Hope this helps! :)

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Find the volume of the cone.

8_murik_8 [283]

Answer:

$V=471\ \text{units}^3$

Step-by-step explanation:

Given that,

Radius of the cone, r = 5 units

Height of the cone, h = 6 units

We need to find the volume of the cone. The formula for the volume of the cone is given by :

$V=\pi r^2 h$

Substitute all the values,

$V=3.14\times 5^2\times 6\\\\V=471\ \text{units}^3$

So, the volume of the cone is $471\ \text{units}^3$ .

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3 years ago

Use completing the square to solve for x in the equation (x minus 12) (x + 4) = 9. x = –1 or 15 x = 1 or 7 x = 4 plus-or-minus S

Scrat [10]

Answer:

x = 4 ± $\sqrt{73}$

Step-by-step explanation:

Given

(x - 12)(x + 4) = 9 ← expand the left side using FOIL

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x² - 8x = 57

To complete the square

add ( half the coefficient of the x- term )² to both sides

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(x - 4)² = 73 ( take the square root of both sides )

x - 4 = ± $\sqrt{73}$ ( add 4 to both sides )

x = 4 ± $\sqrt{73}$

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3 years ago

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Step-by-step explanation:

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