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11111nata11111 [884]
3 years ago
6

Plsssssss helppppppp!!!!!!! I WILL AWARD BRAINLIEST!!!!!

Mathematics
1 answer:
Alex Ar [27]3 years ago
3 0
I think it’s 3/2! if you simplify 12/8 that’s what you get.
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Evaluate the function for x = 2: f(x)=7x-5
valentinak56 [21]
Replace <span>x = 2 into  f(x)=7x-5

</span> f(2)=7(2)-5 = 14 -5 = 9

answer is <span>A. 9</span>
7 0
3 years ago
Read 2 more answers
-0.5, 1 1/4, 0.25, 3/8 greatest to least decimal form
Aleksandr [31]

-0.5, 0.25, 3/8, 1 1/4

6 0
3 years ago
dos aviones parten de una ciudad con direcciones S32°E y E57°N¿ cuál es el angulo que forma sus direcciones?​
Elan Coil [88]

Answer:

El ángulo formado entre las dos direcciones es aproximadamente 115º.

Step-by-step explanation:

Las direcciones dadas en el enunciado significan lo siguiente:

S32ºE - <em>32º al este del sur.</em>

E57ºN - <em>57º al norte del este.</em>

Vectorialmente hablando, cada dirección es la siguiente:

S32ºE

A(x,y) = (\sin 32^{\circ}, -\cos 32^{\circ})

A(x,y) = (0.530, -0.848)

E57ºN

B(x,y) = (\cos 57^{\circ},\sin 57^{\circ})

B(x,y) = (0.545, 0.839)

El ángulo formado entre los dos vectores unitarios (\theta), medido en grado sexagesimales, puede determinarse mediante la siguiente ecuación vectorial:

\theta = \cos^{-1} \frac{A\,\bullet \,B}{\|A\|\cdot \|B\|}

Donde:

\|A\| - Norma de A(x,y).

\|B\| - Norma de B(x,y).

Si sabemos que A(x,y) = (0.530, -0.848), B(x,y) = (0.545, 0.839), \|A\| = 1 y \|B\| = 1, entonces el ángulo formado entre los dos vectores es:

\theta = \cos^{-1} \frac{(0.530)\cdot (0.545)+(-0.848)\cdot (0.839)}{(1)\cdot (1)}

\theta \approx 115^{\circ}

El ángulo formado entre las dos direcciones es aproximadamente 115º.

4 0
3 years ago
How you do this expression
lorasvet [3.4K]
Just try your hardest
8 0
3 years ago
50 POINTS TO WHOEVER CAN ANSWER QUESTIONS 1-10
Trava [24]

Answer:

1)   x = 4  2)   x = 4   3)  x = -4   4)   x = 3   5)   x = 5   6)   x = 9   7)   x = -8  

8)   x = 11   9)   x = -5   10)   x = -4

Step-by-step explanation:

Alternate Exterior and Alternate Interior angles are equal to each other.  Just set the numbers or equations the give you equal to each other.

Question 1:             Question 2:                 Question 3:               Question 4:

33x+3=135              120=31x-4                    120=x+124                 40x+5=42x-1

33x=132                  124=31x                        -4=x                           6=2x

x=4                          x=4                                x= -4                          x=3

Question 5:             Question 6:             Question 7:             Question 8:

20x+4=19x+9           11x= -9+12x               80=x+88                 10x+20=12x-2

-5= -x                        -x = -9                       -8 = x                      22=2x

x=5                            x= 9                          x= -8                       x=11

Question 9:              Question 10:

70=x+75                   130=x+134

-5 = x                         -4 = x

x = -5                         x= -4

8 0
3 years ago
Read 2 more answers
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