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erastova [34]
3 years ago
15

PLEASE HELP ME I BEG I REALLY NEED SOME HEL PLEASE HEL IBEG YOU PLEASE :(

Mathematics
1 answer:
ivann1987 [24]3 years ago
7 0
Any word? So, this is the word: actually
french: now
and
English: in fact
You might be interested in
Please explain me how to solve it <br> cos2x+cos4x ≥0
Sliva [168]
2x + 4x will always be larger or equal to 0.
if x= 0 than it will be equal to 0.
Does this help at all?

3 0
3 years ago
F(x)= −x^2+10x−6<br><br> Find f(−5)
Nina [5.8K]

Answer:

f(-5) = -81

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>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = -x² + 10x - 6

f(-5) is x = -5

<u>Step 2: Evaluate</u>

  1. Substitute:                    f(-5) = -(-5)² + 10(-5) - 6
  2. Exponents:                   f(-5) = -(25) + 10(-5) - 6
  3. Multiply:                        f(-5) = -25 - 50 - 6
  4. Subtract:                       f(-5) = -75 - 6
  5. Subtract:                       f(-5) = -81
7 0
3 years ago
Help please and thanks! I always give brainliest!
Tju [1.3M]

Answer:

x=18, y=9

Step-by-step explanation:

The lines of y+3 and 12 look equal to each other. So do x-3 and 15. Because of this, we set each equal to each other and solve.

solving for x:

x-3 = 15

+ 3     +3

x=18

solving for y:

y+3=12

- 3    -3

y=9

hope this helps!!!

6 0
2 years ago
Read 2 more answers
Evaluate (f − g)(2) for f(x) = 2x2 − 18 and g(x) = –3x − 7.
SpyIntel [72]

For this case we have the following functions:

f (x) = 2x ^ 2-18\\g (x) = - 3x-7

We must find:

(f-g) (2)

By definition, we have to:

(f-g) (x) = f (x) -g (x)

So:

(f-g) (x) = 2x ^ 2-18 - (- 3x-7)\\(f-g) (x) = 2x ^ 2-18 + 3x + 7\\(f-g) (x) = 2x ^ 2 + 3x-11

Then, we evaluate in x = 2:

(f-g) (2) = 2 (2) ^ 2 + 3 (2) -11\\(f-g) (2) = 2 (4) + 6-11\\(f-g) (2) = 8 + 6-11\\(f-g) (2) = 8 + 6-11\\(f-g) (2) = 3

ANswer:

(f-g) (2) = 3

8 0
3 years ago
It’s hard:(( pls help
sergeinik [125]

Answer:

what the question i can't see that

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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