What is equivalent to -3.5x+0.2+0.8x+3x +0.4

Mathematics

1 answer:

Alona [7]2 years ago

6 0

Answer:.9

Step-by-step explanation:

-3.5x+0.2=-3.3+.8=-2.5+3x=.5+.4=.9

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Heyy can you please help me posted picture of question

vichka [17]

We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

$x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}$

b = coefficient of x term = 4
a = coefficient of squared term = 1
c = constant term = 7

Using the values, we get:

$x= \frac{-4+- \sqrt{16-4(1)(7)} }{2(1)} \\ \\ 
x= \frac{-4+- \sqrt{-12} }{2} \\ \\ 
x= \frac{-4+-2 \sqrt{-3} }{2} \\ \\ 
x= -2+- \sqrt{-3}$

So, the correct answer to this question is option A

7 0

2 years ago

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tino4ka555 [31]

Answer:34

Step-by-step explanation:

6 0

3 years ago

In which expression does g have a coefficient of 8 <br> 8g <br> 8 + g <br> g - 8 <br> g/8

belka [17]

Answer:

Step-by-step explanation: