3 years ago

Multiply or divide as Indicated. x^-8 divided by x^-7

Mathematics

1 answer:

Llana [10]3 years ago

3 0

Answer:

x^1

Step-by-step explanation:

if you divide exponents with the same coefficients, you subtract the two exponents

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Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 – x = 25

Ede4ka [16]

The answer is twenty-five.

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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

Substitute in variables [ARC]: $\displaystyle \frac{f(3) - f(-1)}{3 + 1}$
Substitute: $\displaystyle \frac{-4 - 4}{3 + 1}$
[Fraction] Subtract/Add: $\displaystyle \frac{-8}{4}$
[Fraction] Divide: $\displaystyle -2$

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3 years ago

What is the expression that means the same as 7 less than the square of a number? A. 7-2x B. 7-2× C. 7-x2 D. x2-7

damaskus [11]

Answer d is correct!!!!!

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3 years ago

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What is the value of x makes this equation true? -6x+3=45

Oduvanchick [21]

Answer:

$x=-7$

Step-by-step explanation:

subtract 3 from both sides

$-6x=45-3$

$-6x=42$

divide each term by 6

$\frac{-6x}{-6} =\frac{42}{-6}$

$x=\frac{42}{-6}$

simplify

$x=-7$

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3 years ago

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I need help please ASAP?!!!!

dybincka [34]

Answer:

no real numbers will make this equation true

Step-by-step explanation:

if you square both sides, you'll get sqrt(-49). this will get you an imaginary number (7i) which is not a real number.

4 0

3 years ago

Multiply or divide as Indicated. x^-8 divided by x^-7​

Multiply or divide as Indicated. x^-8 divided by x^-7