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3 years ago

Expression equivelent to 2/5 divided by 6

Mathematics

1 answer:

Oksanka [162]3 years ago

8 0

Answer:

1/15

Step-by-step explanation:

(2/5)/6 = 2/(5*6) = 2/30 = 1/15

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Trying to solve y + 4 = -5/3(x-5) Do I get y = -5/3x + 25/3 or do I multiply everything by 3 to get -15x + 21? Provide how.

grin007 [14]

Step-by-step explanation:

you could multiply 3 by everything to get rid of the fraction but you would still have to the equation after multiplying

7 0

3 years ago

(4x^2-2x-4)(2x+4) what is the product of the polynomials below?

tatiyna

Answer:

8x³ + 12x² - 16x - 16

General Formulas and Concepts:

Order of Operations: BPEMDAS
Distributive Property

Step-by-step explanation:

Step 1: Define expression

(4x² - 2x - 4)(2x + 4)

Step 2: Simplify

Expand: 8x³ - 4x² - 8x + 16x² - 8x - 16
Combine like terms (x²): 8x³ + 12x² - 8x - 8x - 16
Combine like terms (x): 8x³ + 12x² - 16x - 16

7 0

3 years ago

9/20

Stella [2.4K]

Question:

Find the number of real number solutions for the equation. x^2 + 5x + 7 = 0

Answer:

The number of real solutions for the equation $x^{2}+5 x+7=0$ is zero

Solution:

For a Quadratic Equation of form : $a x^{2}+b x+c=0$ ---- eqn 1

The solution is $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Now , the given Quadratic Equation is $x^{2}+5 x+7=0$ ---- eqn 2

On comparing Equation (1) and Equation(2), we get

a = 1 , b = 5 and c = 7

In $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$ , $b^2 - 4ac$ is called the discriminant of the quadratic equation

Its value determines the nature of roots

Now, here are the rules with discriminants:

1) D > 0; there are 2 real solutions in the equation

2) D = 0; there is 1 real solution in the equation

3) D < 0; there are no real solutions in the equation

Now let solve for given equation

$D= b^2 - 4ac\\\\D = 5^2 - 4(1)(7)\\\\D = 25 - 28 \\\\D = -3$

Since -3 is less than 0, this means that there are 0 real solutions in this equation.

4 0

4 years ago

Hello! Can someone help me with this, please?

Trava [24]

Answer:

5.5 ft

Hope this helped!

5 0

3 years ago

Read 2 more answers

Please help me with this Ixl answer.Please answer this correctly I have to show them the

frosja888 [35]

Hello!

Let's put this as a system of equations.

r= 8+g

r+g=14

Let's plug our r value into the second equation and solve for g.

8+g+g=14

8+2g=14

Now we subtract 8 from both sides.

2g=6

We divide both sides by 2.

g=3

Therefore, he has 3 green peppers.

I hope this helps!

5 0

3 years ago

Read 2 more answers