MATHEMATICS HIGH SCHOOL

Factor completely x2 + 16.(x + 4)(x + 4)
(x + 4)(x − 4)
Prime
(x − 4)(x − 4)

Answers

Answer 1
Answer:

An expression is defined as a set of numbers, variables, and mathematical operations. The correct option is C, Prime.

What is an Expression?

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.


The given expression is a prime function, therefore, its factorisation is not possible. Hence, the correct option is C, Prime.

Learn more about Expression:

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Answer 2
Answer: It's prime because the constant term is positive and there is no middle term. If it were x^2 - 16, we could use (x+4)(x-4), but because 16 is positive, it cannot be factored

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Match the reasons with the statement.Given: 12 - x = 20 - 5 x

To Prove: x = 2

1.
Division property of equality

A. 12 - x = 20 - 5 x

2.
Subtraction property of equality

B. 12 + 4 x = 20

3. Addition property of equality

C. 4 x = 8

4. given

D. x=2

Answers

To prove that x = 2 in the equation given, first, we write the given.
               (4) Given:    (A)  12 - x = 20 - 5x
   Then, add 5x to both sides of the equation,
               (3) Addition property of equality:    (B) 12 + 4x = 20
Then, subtract 12 from both sides of the equation
              (2) Subtraction property of equality:  (C) 4x = 8
Lastly, divide both sides by 4
              (1) Division property of equality :    (D) x = 2

I have three questions, 1: certain members of the Italian Parliament make 180,000 euros a year. If 1 euro equals 1.36 U.S. dollars, how much do the members of parliament make in dollars per day? 2. London Heathrow airport sees on average 191,200 passengers a day. How many passengers is this per minute? 3. A factory worker in Cambodia makes 320,000 Cambodian Riels per month if 1 U.S. dollar equals 4000 Cambodian Riels, how much does the factory worker make in U.S. dollars per year?

Answers

Ok. It took me a bit of working out but here you go:

1. $322.90 - rounded to the 2nd decimal place.
2. 79667 - rounded to whole number.
3. $2400

Hope this helps! If you want to know how to figure them out just contact me by leaving a comment.

Jimmy2003

What is the difference of 7x − (25x2 + 12x)

Answers

If you would like to solve 7x - (25x^2 + 12x), you can do this using the following steps:

7x - (25x^2 + 12x) = 7x - 25x^2 - 12x = - 25x^2 - 5x

The correct result would be - 25x^2 - 5x.

Which shows 4x + 2y = –16 in slope-intercept form? Question 4 options: y = 2x - 8 y = -2x - 8 y = 1/2x - 8 y = 1/2x - 16

Answers

y=-2x-8 is the answer

What is the volume of x?

Answers

Sorry, but you need to be more specific!!  


Happy Mathing!!

In the past 4 years, a sporting goods store had two yearly losses of $28,000 and $42,000 and two yearly profits of $104,000 and $10,000. What was the net profit or loss over 4 years?







A.
–$70,000





B.

$114,000






C.
$44,000





D.
–$44,000

Answers

losses: 28,000 + 42,000 = 70,000
profit: 104,000 + 10,000 = 114,000

net profit = profit - losses
net profit = 114,000 - 70,000
net profit = 44,000

The net profit over the 4 year period is Choice C. 44,000
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