3 years ago

In the diagram, &angle; ABC = 90°. What is the radius of the circle?

Mathematics

1 answer:

max2010maxim [7]3 years ago

3 0

I would say D or A thats what i think um i hope this help um lol

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shusha [124]

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Step-by-step explanation:

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3 years ago

The function y = f (x) is graphed below. What is the average rate of change of the function f(x) on the interval - 1 ≤ x ≤ 3?

jonny [76]

Answer:

$\displaystyle -2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Average Rate of Change: $\displaystyle \frac{f(b) - f(a)}{b - a}$

Step-by-step explanation:

Step 1: Define

Interval -1 ≤ x ≤ 3

a = -1, b = 3

f(a) = f(-1) = 4

f(b) = f(3) = -4

Step 2: Find Average

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Substitute: $\displaystyle \frac{-4 - 4}{3 + 1}$
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[Fraction] Divide: $\displaystyle -2$

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That does to make sense...

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