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slavikrds [6]
3 years ago
10

Help pleaseee i dont have many pts but ill mark brainliest​

Mathematics
1 answer:
eimsori [14]3 years ago
6 0
You didn’t give the answers
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Evaluate the expression when x-3<br> 4x2 - 14x + 4
Lady_Fox [76]

Answer:

82

Step-by-step explanation:

Evaluate 4 x^2 - 14 x + 4 where x = -3:

4 x^2 - 14 x + 4 = 4×(-3)^2 - -3×14 + 4

(-3)^2 = 9:

4×9 - 14 (-3) + 4

4×9 = 36:

36 - 14 (-3) + 4

-14 (-3) = 42:

36 + 42 + 4

| 1 |  

| 4 | 2

| 3 | 6

+ | | 4

| 8 | 2:

Answer:  82

6 0
3 years ago
What is the area of this triangle?
Contact [7]

Answer: 43.5

Step-by-step explanation:

A=\frac{1}{2}(8)(12)(\sin 65^{\circ}) \approx \boxed{43.5}

6 0
2 years ago
Maria compró una blusa con valor de $300, sólo pagó $240. ¿Cuál fue el porcentaje de descuento que le hicieron?
Nostrana [21]

300 - 240 = 60

60 = 20%

Respuesta:El descuento fue del 20%.

Espero te sirva :

5 0
3 years ago
Find the inverse of the function:<br>f(x) = 3x + 6<br>​
natta225 [31]

Answer:

      x = -2

Step-by-step explanation:

Pull out like factors :

  -3x - 6  =   -3 • (x + 2)

Solve :    -3   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solve  :    x+2 = 0

Subtract  2  from both sides of the equation :

                     x = -2

4 0
3 years ago
Is 2 a solution to the equation 1/2x-4=5?​
dusya [7]

9514 1404 393

Answer:

  no

Step-by-step explanation:

Put 2 where x is and see if you get a true statement.

  1/2(2) -4 = 5

  1 -4 = 5

  -3 = 5 . . . . . . False

2 is not a solution to the equation.

__

The solution is x=18.

6 0
2 years ago
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