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Katena32 [7]
3 years ago
14

-2x + 3 = -11 X = Helpppp

Mathematics
2 answers:
Fiesta28 [93]3 years ago
6 0

Answer:

7

Step-by-step explanation:

Kitty [74]3 years ago
6 0

Answer:

7

Step-by-step explanation:

I would think that the x would be 7 because -14+3=-11

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Need help with this question pre collegee
DaniilM [7]

Answer:

Step-by-step explanation:

the domain is (-∞,∞)

8 0
2 years ago
What are the roots of 3x2 + 10 = 4x?
sveticcg [70]

Answer:

Option C is correct.

roots of the given equation , x =\frac{2\pm i\sqrt{26}}{3}

Step-by-step explanation:

Given the equation: 3x^2+10 = 4x

We can write this equation as:

3x^2-4x + 10 =0

A quadratic equation is in the form of ax^2+bx+c =0      ......[1] where a,b ,c are the coefficient and x is the variable,

the solution of the equation is given by;

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

On comparing given equation with equation [1] we get;

a = 3 , b = -4 and c =10

So, the solution of the given equation is given by;

x = \frac{-(-4)\pm\sqrt{(-4)^2-4(3)(10)}}{2(3)}

or

x =  \frac{4\pm\sqrt{(16-120}}{6} = \frac{4\pm\sqrt{(-104)}}{6} = \frac{4\pm\sqrt{(-4 \times 26)}}{6}

or

x =\frac{4\pm2 \sqrt{(-26)}}{6} = \frac{4\pm2 i\sqrt{26}}{6}    [∴\sqrt{-1} = i

Simplify:

x =\frac{2\pm i\sqrt{26}}{3}

therefore, the roots of the given equation are; x =\frac{2\pm i\sqrt{26}}{3}

5 0
3 years ago
Read 2 more answers
Which on is greater?<br><br> 342 hundredths plus 7 tenths <br> or<br><br> 3 plus 49 hundredths
vredina [299]
3 plus 4o hundredths is larger.

1. .412
2. 3.049
8 0
4 years ago
Read 2 more answers
What is the factored form of 2x^3+ 4x^2- x?
ryzh [129]

Answer:

x (2 x^2 + 4 x - 1)

Step-by-step explanation:

Factor the following:

2 x^3 + 4 x^2 - x

Factor x out of 2 x^3 + 4 x^2 - x:

Answer:  x (2 x^2 + 4 x - 1)

7 0
4 years ago
Help !
aivan3 [116]

Answer:

a. p(orange) = 5/14

b. p(green) = 3/14

c. p(red) = 1/7  

d. p(brown) = 2/7  

e. p(brown or red) = 3/7

Step-by-step explanation:

1. You have a 14 pencils. Two pencils are red, 5 pencils are orange, 3 pencils are green and 4 pencils are brown.

p(color) = (number of pencils of that color)/(total number of pencils)

p(color) = (number of pencils of that color)/14

a. If a pencil is picked at random, what is the probability that the pencil

will be orange?

p(orange) = 5/14

b. If a pencil is picked at random, what is the probability that the pencil

will be green?

p(green) = 3/14

c. If a pencil is picked at random, what is the probability that the pencil will be red?

p(red) = 2/14 = 1/7

d. If a pencil is picked at random, what is the probability that the pencil

will be brown?

p(brown) = 4/14 = 2/7

e. If a pencil is picked at random, what is the probability that the pencil

will be brown or red?

brown: 4

red: 2

brown or red: 4 + 2

p(brown or red) = 6/14 = 3/7

3 0
3 years ago
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