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fgiga [73]
3 years ago
12

Factor completely 169x2 _ 64

Mathematics
1 answer:
makvit [3.9K]3 years ago
6 0
A^2 - b^2 = (a - b)(a + b)
169x^2 - 64 = (13x - 8)(13x + 8)
You might be interested in
Choose the correct simplification of (4x3 + 3x2 − 6x) − (10x3 + 3x2).
Ray Of Light [21]
Answer:
-6x (x + 1)(x - 1)

Explanation:
Before we begin, remember the following:
(-ve) * (-ve) = +ve
(-ve) * (+ve) = -ve
(+ve) * (+ve) = +ve
(+ve) * (-ve) = -ve
a² - b² = (a + b)(a - b)

Now, for the given:
(4x³ + 3x² - 6x) - (10x³ + 3x²)
First, we eill remove the brackets based on the rules mentioned above. This will give us:
4x³ + 3x² - 6x - 10x³ - 3x²
Now, we will combine like terms as follows:
(4-10)x³ + (3-3)x² - 6x
-6x³ - 6x
Taking -6x as a common factor:
-6x (x² - 1)
Factoring the bracket as difference between two squares will give us the final simplest form:
-6x (x + 1)(x - 1)

Hope this helps :)
7 0
3 years ago
Read 2 more answers
Question on similar triangles attatched
Morgarella [4.7K]

Answer:

<u>h = 24 cm</u>

Step-by-step explanation:

The triangles are similar.

Their dimensions are proportional.

Finding scale factor :

  • DC/AE
  • 10/20
  • 1/2

Finding h :

  • h + h/2 = 36
  • 3h/2 = 36
  • 3h = 72
  • <u>h = 24 cm</u>
6 0
2 years ago
Taiya invests $4,848 in a savings account with an interest rate of 5% compounded annually. What is the interest that she earned?
GarryVolchara [31]

Answer:

the answer is $6520.02

Step-by-step explanation:

explanation linked as image

6 0
2 years ago
Which of the following will form the composite function G(F(x)) shown
yKpoI14uk [10]

The composite function G(F(x)) = x² + 4 is formed with these following original functions:

D. F(x) = x² and G(x) = x + 4.

<h3>How to find the composite function of f(x) and g(x)?</h3>

The composite function of f(x) and g(x) is given as follows:

(f \circ g)(x) = f(g(x))

For g of f(x), we have that:

(g \circ f)(x) = g(f(x))

For this problem, we have that:

G(F(x)) = x² + 4.

Which is possible with option D, as:

G(F(x)) = G(x^2) = x^2 + 4

More can be learned about composite functions at brainly.com/question/13502804

#SPJ1

8 0
2 years ago
PLEASE HELP ME !!
AlekseyPX

Answer:

$448.76

$73.76

Step-by-step explanation:

We are to calculate the future value with monthly compounding

The formula for calculating future value:

FV = P (1 + r/m)^mn

FV = Future value  

P = Present value  

R = interest rate

m = number of compounding

N = number of years  

$375 x ( 1 + 0.06/12)^12 x 3

$375 x (1.005)^36 = $448.76

Interest earned = future value - amount saved

$448.76 -  $375  = $73.76

5 0
2 years ago
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