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astra-53 [7]
3 years ago
5

Solve:

" alt="3x {}^{2} - 10x - 8" align="absmiddle" class="latex-formula">
please someone help me​
Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0

(x-4)(3x+2) is your answer

3x²-10x-8

3x²-(12-2)x-8

3x²-12x+2x-8

3x(x-4)+2(x-4)

(x-4)(3x+2)

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HELP PLEASE
nasty-shy [4]

Answer:

Part A: -2.5

Part B: -1

Part C: 1

Part D: 2.5

5 0
3 years ago
Write each equation in slope intercept form 9x + 35 = -5y. 2y - 6 = -6x. -11 - 7y = -56​
tamaranim1 [39]

Answer:

y= -9/5x -7

y= -3x +2

y= 45/7

6 0
3 years ago
One number is 6 more than anouther number. the sum of their squares is 90
Flura [38]
Let x = greater number
      y = smaller  number

(1) x = y + 6

(1) y = x-6

(2) x^{2} + y^{2} = 90
We'll substitute y in (1) to (2)
(2) x^{2} +  (x-6)^{2} = 90
     x^{2} +  (x^{2} - 12x + 36) = 90
     x^2 + x^2 -12x + 36 - 90 = 0
     2x^2 - 12x -54 = 0

     2(x^2 - 6x - 27) = 0
     2(x - 9)(x + 3) = 0
 x - 9 = 0        or      x + 3 = 0
      x = 9                        x = -3
and
 y = x - 6                  y = x - 6
 y = 9 - 6                  y = -3 - 6
 y = 3                        y = -9

Therefore, the two numbers can be 9 and 3 or -3 and -9.

      
6 0
4 years ago
F(x) = 4-x2 and g=(x)=2x+5 what is the value of (f(g(-2))
alukav5142 [94]

Answer:

f(g(-2)) = 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

Functions

  • Function Notation
  • Composite Functions

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 4 - x²

g(x) = 2x + 5

<u>Step 2: Find g(-2)</u>

  1. Substitute in <em>x</em> [Function g(x)]:                                                                         g(-2) = 2(-2) + 5
  2. Multiply:                                                                                                             g(-2) = -4 + 5
  3. Add:                                                                                                                   g(-2) = 1

<u>Step 3: Find f(g(-2))</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                           f(g(-2)) = 4 - (1)²
  2. Evaluate exponents:                                                                                        f(g(-2)) = 4 - 1
  3. Subtract:                                                                                                            f(g(-2)) = 3
7 0
3 years ago
A(1) = 20<br> (a(n) = a(n − 1) – 17<br> Find the 3rd term in the sequence.
shtirl [24]

Answer:

I believe -14 is the third term

Step-by-step explanation:

8 0
3 years ago
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