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3 years ago

What does it mean if an equation is true, false, or open? Give definitions of each.

1 answer:

6 0

<span>I'm gonna do the example of this equation 2+2, as we all know when we add it together the sum of it is 4 , here are the examples: 2 + 2 = 4 is true
2 + 3 = 4 is false
x + 3 = 4 is open</span>

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Is the simplified form of 2 13 -2 13 rational?<br> Yes or no

OverLord2011 [107]

Answer:

yes

Step-by-step explanation:

7 0

3 years ago

Find the equation of the line through (0,4) perpendicular to the line y = 3x

Rufina [12.5K]

Answer:

$y = - \frac{1}{3} x + 4$

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

The product of the gradients of perpendicular lines is -1.

Gradient of given line= 3.

(Gradient of line)(3)= -1

3m= -1

m= $- \frac{1}{3}$

subst. m= $- \frac{1}{3}$ into the equation:

$y = - \frac{1}{3} x + c$

To find the value of c, substitute a coordinate.

When x=0, y=4,

$4 = - \frac{1}{ 3} (0) + c \\ 4 = c \\ c = 4$

Thus the equation of the line is $y = -\frac{1}{3} x + 4$ .

3 0

3 years ago

What is 2,400 milliliters converted into liters

BARSIC [14]

Answer:

2.4 liters

Step-by-step explanation:

5 0

4 years ago

Read 2 more answers

What is the correct factorization of x^2 - 2x - 15?

iragen [17]

Answer:

option b

Step-by-step explanation:

${x}^{2} - 2x - 15$

${x}^{2} - 5x + 3x - 15 = 0$

$x(x - 5) + 3(x - 5) = 0$

$(x - 5)(x + 3) = 0$

x = -3 (Not possible)

x = 5

So, x = 5

8 0

2 years ago

The question is in the picture, please someone help me with this.

Len [333]

Answer:

X represents time

Y represents the number of spray paint t-shirts

M = 2/1

B = 30

Equation: y = 2/1x + 30

8 0

3 years ago