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kiruha [24]
1 year ago
11

Evaluate f g for x=-2(fg)(-2)= ??

Mathematics
1 answer:
Lemur [1.5K]1 year ago
8 0

Answer:

(fg)(-2) = 96

Step-by-step explanation:

(fg)(-2)=6(-2)^{4} =6(16)=96

Hope this helps

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(2x + y)2 – (3x – 2y)2 + (x – 4y)(x + 4y<br>11​
Vinvika [58]

Answer:

Step-by-step explanation:

(a+ b)² = a² +  b² + 2ab

(2x + y)² = (2x)² + y² + 2*2x *y

             = 4x²  + y² + 4xy

(a- b)² = a² + b² - 2ab

(3x - 2y)² = (3x)² + (2y)² - 2*3x *2y

              = 9x² + 4y² - 12xy

(a - b)(a +b) = a² - b²

(x - 4y(x + 4y) = x² - (4y)²

                     = x² - 16y²

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

  = 4x²  + y² + 4xy - (9x² + 4y² - 12xy) + x² - 16y²

  = 4x²  + y² + 4xy - 9x² - 4y² + 12xy + x² - 16y²

  = 4x² - 9x² + x²  + y² - 4y² - 16y²+ 4xy + 12xy

 =    -4x² - 19y² + 16xy

8 0
2 years ago
Find the slope of<br> -8,-3 and -12,3
RUDIKE [14]

Answer:

uygqdwty

Step-by-step explanation:

slope formula' ]is (y2 - x2)/(y1-x1)

answer is 3-(-3)  /  -12-(-8)

=6/-4

=-1 1/2

sorry for the weird sign i amm typing with a fractered arm

8 0
2 years ago
What is the answer to this question ?
Tatiana [17]

Answer:

- 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - x - \frac{40}{17} ← is in slope- intercept form

with slope m = - 1

Parallel lines have equal slopes

Thus the slope of line d is - 1

5 0
2 years ago
Read 2 more answers
PLEASE HELP MEEEEEEEEEEEEEEEEEE
DerKrebs [107]

Perimeter of the carpet = 21.8 m

Area of the carpet = 29.4 $ m^{2}

<u>Given</u>:

<em>Dimension of the living room:</em>

<em />l = 4.9 $ m\\w = 6 $ m

<em>A. </em><em>Perimeter </em><em>of the carpet = perimeter of a </em><em>rectangle</em>

Perimeter = 2(l + w)

Substitute

Perimeter = 2(4.9 + 6)\\= 21.8 $ m

Perimeter of the carpet = 21.8 m (The digits here are significant)

<em>B. </em><em>Area </em><em>of the carper = </em><em>area </em><em>of a </em><em>rectangle </em>

Area = l \times w

Substitute

Area = 4.9 \times 6\\= 29.4 $ m^{2}

Area of the carpet = 29.4 $ m^{2} (the digits here are significant)

Therefore, considering the rules of significant digits:

Perimeter of the carpet = 21.8 m

Area of the carpet = 29.4 $ m^{2}

Learn more here:

brainly.com/question/12932084

6 0
3 years ago
What is the probability of getting 60% or better on a true false exam with 50 questions
Ipatiy [6.2K]

Answer:

41.1764...%

Step-by-step explanation:

60% on 50 questions is 30/50 correct since 30÷50=.6=60%

Between 30 and 50(inclusive) there are 21 numbers.(30,31,32...49,50).

There are 51 possibilities of scores,1-50/50 or 0/50

21/51=0.411764...

3 0
3 years ago
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