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3 years ago

Opposite rays form a:pointraylineplane

Mathematics

1 answer:

gregori [183]3 years ago

8 0

Answer:

line

Step-by-step explanation:

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Calculate the rate of change (slope) for the given line. 20 2 о

kati45 [8]

Answer:

$\sf slope =\dfrac{-3}{2}$

Step-by-step explanation:

To find the slope, mark any two point on the line.

(-2, 4) ; (2 , -2)

$\sf x_1 = -2 ; \ y_1 = 4 \\\\x_2 = 2 ; \ y_2 = -2 \\\\ \boxed{\bf Slope = \dfrac{y_2-y_1}{x_2-x_1}}$

$\sf = \dfrac{-2-4}{2-[-2]}\\\\=\dfrac{-6}{2+2}\\\\=\dfrac{-6}{4}\\\\=\dfrac{-3}{2}$

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1 year ago

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Mathematics Question - Billy played Clash Royale 16 times. Then her sister Karen played 9 times as much as Billy. How many times

DIA [1.3K]

I will be 16+9=25 now you get how many times did she play and add them together

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3 years ago

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a window is shaped like a semicircle the base of the window has a diameter of 3 1/2 feet find the area of the window to the near

Fed [463]

B=55/3*1/31=55/93=.591ft

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3 years ago

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HELP PLEASE i dont understand at all...

bija089 [108]

An exponent signifies repeated multiplication.

$x\cdot x\cdot x=x^{3}$ the factor x is repeated 3 times

Exponents can be added and subtracted to express the effects of multiplication and division.

$\dfrac{x\cdot x\cdot x\cdot x\cdot x}{x\cdot x\cdot x}=\dfrac{x^{5}}{x^{3}}\\\\=\dfrac{x\cdot x\cdot x}{x\cdot x\cdot x}\cdot x\cdot x=x\cdot x\\\\=x^{(5-3)}=x^{2}$

The addition and subtraction of exponents works the same even when there are more denominator factors than numerator factors.

$\dfrac{x\cdot x\cdot x}{x\cdot x\cdot x\cdot x\cdot x}=\dfrac{x^{3}}{x^{5}}=\dfrac{1}{x^{2}}\\\\=x^{(3-5)}=x^{-2}$

That is, a negative numerator exponent is the same as a positive denominator exponent and vice versa. You can move a factor with an exponent from denominator to numerator and change the sign of the exponent, and vice versa.

Your expression has 3 in the denominator with a negative exponent. It can be moved to the numerator and the exponent changed to positive:

$\dfrac{1}{3^{-2}}=3^{2}\\\\=3\cdot 3=\bf{9}$

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3 years ago

HELP.......................

ira [324]

1. 1 2. 1 1/43.1 1/4

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3 years ago

Opposite rays form a:pointraylineplane​

Opposite rays form a:pointraylineplane