2 years ago

Simplify 3x + 2(x - 7) + 11

Mathematics

2 answers:

astraxan [27]2 years ago

7 0

Answer:

5x-3

Step-by-step explanation:

3x + 2x - 14 + 11 (Multiply the numbers inside the bracket)

5x-3

This is your answer

OleMash [197]2 years ago

4 0

Answer:

5x-3

Step-by-step explanation:

You might be interested in

Evaluate cos0 if sin0= sqrt(5)/3 a. 9/5 b. 2/3 c. 5/9 d. 3/2

Evgesh-ka [11]

Solution given:

$\sin( \alpha ) = \frac{\sqrt{5} }{3}$

P=√5

h=3

b= $\sqrt{3 {}^{2} - \sqrt{5} {}^{2} }$

b=2

$\cos( \alpha ) = \frac{b}{h} = \frac{2}{3}$

Note

$\alpha = 0$

b:⅔

8 0

2 years ago

Given that 2(-x + 4)=3 prove that x=5/2

user100 [1]

Answer:

x = 5/2

Step-by-step explanation:

So firstly, you want to distribute. It'll make your life much easier.

-2x + 8 = 3

-2x = -5 (subtracting 8 from both sides)

x = 5/2 (dividing both sides by -2 to obtain x)

Hope this helps :)

7 0

2 years ago

Slove (3x-2)=(2x-1)/(2) show step by step

shusha [124]

Answer:

x= 3/4

Step-by-step explanation:

$(3x - 2) = \frac{(2x-1)}{2}$

2(3x - 2) = (2x - 1)

6x - 4 = 2x -1

4x = 3

x= 3/4

3 0

2 years ago

Read 2 more answers

When using rational expectations, forecast errors will, on average, be ________ and ________ be predicted ahead of time. A) zero

mafiozo [28]

Answer:

A) zero; cannot

Step-by-step explanation:

In line with the principle of rational expectations, expectation errors are unpredictable. The expectations of all available information will not differ from the optimal projections.The word optimal projection is inexorably intertwined with the best guess in rational expectations theory.

4 0

3 years ago

If the area of a rectangle with width x can be represented with the expression A(x) = x(14 – x), what is the perimeter of the re

Marianna [84]

A=WL
P=2(L+W)

A=(x)(14-x)
W=x
L=14-x
P=2((14-x)+x)
P=2(14-x+x)
P=2(14+0)
P=2(14)
P=28

perimiter=24 units

5 0

2 years ago