3 years ago

Identify the factors of x2 - 4x – 12.

Mathematics

1 answer:

Kryger [21]3 years ago

7 0

I don’t understand this question can u please clarify it

You might be interested in

What expression represents the profit, and what is the profit

ddd [48]

Answer:

Step-by-step explanation:

y+8=70x+50; 28800

3 0

3 years ago

Read 2 more answers

In the figure, FM = 7x+20 and GM = 5x+100. What is GM ?

Brrunno [24]

Answer:

20,000

Step-by-step explanation:

7x+20 = 5x+100

2x = 80

x=40

5(40)+100=20,000

3 0

4 years ago

Which of the following equations, in its simplest form, will be equivalent to 3x 2 (–5)? 2 3x 5 x – 1 x – 2 x –3 – 3x – 1 x 3 –

Marrrta [24]

Answer:

Step-by-step explanation:

Let f(x) = 3x² - x³ - 3x + 5 and g(x) = x - 1 - x²

-x² + x - 1) -x³ + 3x² - 3x + 5(x - 2

-x³ + x² - x

-------------------------

2x² - 2x + 5

2x² - 2x + 2

----------------------

4 0

2 years ago

Read 2 more answers

Simon wants to use both area formulas shown to find the area of the trapezoid. How can he divide the trapezoid to do that?

diamong [38]

I think it might be the last one I am sorry if I am rong.

3 0

3 years ago

Read 2 more answers

David cast a shadow 42" long at the same place and time in Emma cast a shadow 28" long. David is 66" tall. What is Emma's height

Nikolay [14]

ANSWER

Emma is 44" tall

EXPLANATION

We have that David cast a shadow 42 inches long and he is 66 inches tall.

At that same place and time, Emma cast a shadow of 28 inches.

Since they are at the same spot and time, we can conclude that the ratio of their height to shadow must be the same.

Let Emma's height be x.

The ratio of David's shadow to height is:

42 : 66 or 42 / 66

For Emma, it is:

28 : x or 28 / x

That means that:

$\begin{gathered} \frac{42}{66}\text{ = }\frac{28}{x} \\ \text{Solve for x by cross-multiplying:} \\ 42\cdot\text{ x = 66 }\cdot\text{ 28} \\ x\text{ = }\frac{66\cdot\text{ 28}}{42} \\ x\text{ = 44 inches} \end{gathered}$

So, Emma is 44" tall.

3 0

1 year ago