Factor completely 9x2 − 25.

Answers

Answer 1

Answer:

The required, 9x² - 25 can be factored completely as (3x + 5)(3x - 5).

To factor completely the expression 9x² - 25, we can use the difference of squares formula, which states that:

a² - b²= (a + b)(a - b)

In this case, we can recognize that 9x² is the square of 3x, and 25 is the square of 5. Applying the difference of squares formula, we have:

9x² - 25 = (3x)²- 5²

Using the formula, we can factor it as:

(3x + 5)(3x - 5)

Therefore, 9x² - 25 can be factored completely as (3x + 5)(3x - 5).

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Answer 2

Answer: This is difference of 2 squares.

Take the square root of 9 and 25

(3x + 5) (3x - 5)

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WHAT IS THE VALUE OF ANGLE N?

Answers

Answer:

32 degrees

Step-by-step explanation:

An inscribed angle is an angle with its vertex on the circle, formed by two intersecting chords. Angle N perfectly fits this description. An inscribed angle is equal to 1/2 of its intercepted arc (the arc opposite the angle). The arc opposite angle N is equal to 64 degrees, so angle N is equal to 1/2 of that, or 32 degrees

My little sister, Savannah, is three years old. she has a piggy bank that she wants to fill. She started with five pennies and each day when I come home from school she is excited when I give her three pennies left over from my lunch money. Create a mathematical model for the number of pennies in the piggy bank on day n

Answers

The model would be:

p = 3n + 5

where p = the number of pennies Savannah has and n = the number of days that have passed.

This model works because each day, Savannah gets three pennies, shown in the equation as "3n." The "+ 5" at the beginning is there because the problem states that Savannah starts with 5 pennies.

A pote that is 3.5 m tall casts a shadow that is 1.08 m long same time, a nearby building casts a shadow that is 35.5 m long How tall is the building Round your answer to the nearest

Answers

Answer:

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Step-by-step explanation:

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Answers

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Answers

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State the slope and y-intercept of the graph of each question state the slope and y-intercept of the graph of each question 1. y= -3x + 4
2. x- y =5
3. x = -4

Answers

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Y intercept=b
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