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Harman [31]
2 years ago
10

The solutions to (x + 3)^2- 4=0 are x = -1 and x = -5 True or false

Mathematics
1 answer:
Neko [114]2 years ago
6 0

Answer:

THE ANSWER WOULD BE TRUE MY FRIEND

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If you can tell me what the missing number is.
Orlov [11]

Answer:

6

Step-by-step explanation:

So, to start answering this, lets recall the formula for a rectangles volume:

This formula is :

V=h*w*l

Lets plug in what we know, and solve for the missing variable.

We know that height(h) is 7.

We know that width(w) is 9.

We know that volume(V) is 378.

We are missing length(l)

So:

378=7*9*l

To find length(l), we must iscolate it.

To do this, we must get rid of the 7 and 9.

So lets start by dividing 378 by 9:

378/9=7*9/9*l

=

42=7*l

Now lets do the same thing with the 7 to iscolate l:

42/7=7/7*l

=

6=l

So our missing length(l) is 6.

Answer:

l = 6

Hope this helps!

5 0
3 years ago
4x + y = 7 find the slope and write the equation <br><br> PLEASE HELP!!!!!
Alexus [3.1K]

Answer:

3

Step-by-step explanation:

4x + 3 = 7

6 0
3 years ago
Please help me solve this, and show your work
zlopas [31]

6r+5=11r\ \ \ \ |\text{subtract 6r from both sides}\\\\5=5r\ \ \ \ |\text{divide both sides by 5}\\\\\boxed{r=1}\\-------------------------\\\dfrac{2x-4}{2}=6x+3\\\\\dfrac{2x}{2}-\dfrac{4}{2}=6x+3\\\\x-2=6x+3\ \ \ \ \ |\text{add 2 to both sides}\\\\x=6x+5\ \ \ \ |\text{subtract 6x from both sides}\\\\-5x=5\ \ \ \ \ |\text{divide both sides by -5}\\\\\boxed{x=-1}

6 0
3 years ago
Find the equation of a line having slope -8 and y intercept -3
Andre45 [30]

Answer:

y = -8x -3

Step-by-step explanation:

To find the y intercept of a basic y = mx +  b equation you simply find the constant (In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number). To find the slope of a basic y = mx + b equation find the value of m. The value of m will be the slope.

5 0
3 years ago
Determine whether the statement is true or false. If it is true, explain why. If it is false, explain why or give an example tha
ioda
True.

You're allowed to move stuff around. Dogs of the AMS.

y' = 3y - 2x + 6xy - 1 \\&#10;y' = 3y + 6xy - 2x - 1 \\&#10;dy/dx= 3y(1 + 2x) - (2x + 1) \\&#10;dy/dx = 3y(1 + 2x) - (1 + 2x) \\&#10;\frac{dy}{dx} = (3y - 1)(1 + 2x) \ \Rightarrow\ \dfrac{dy}{3y-1} = (1 + 2x) dx

We wrote it in the form dy/dx = g(x) f(y) so this is separable.
3 0
3 years ago
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