What is the solution of the equation x − 8 = 17?
-9
9
25
27

Answers

Answer 1

Answer: The solution of the equation is 25 because 25-8 = 17.

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2/5(z+1)=y solve for z

Math help please!!!
**check picture below**

Answers

Simple...

$(3x y^(3) )(2 x^(3)y)$

3*2=6

$x* x^(3)= x^(4)$ (Exponents "multiplied" are added)

$y^(3) *y= y^(4)$

Making it...

$6 x^(4)y ^(4)$

Thus, the answer to your first question.

The Second One....

$(x^(2) -2x-2)*( x^(2) +2x+3)$

It looks hard, but it's not...break it down..

$x^(2) * x^(2) = x^(4)$

$x^(2) *-2x=-2 x^(3)$

$x^(2) *2x=2 x^(3)$

$x^(2) *-2=-2 x^(2)$

$-2x*2x=-4 x^(2)$

$x^(2) *3=3 x^(2)$

-2*2x=-4x

-2x*3=-6x

-2*3=-6

Now..FINALLY...add it up..

Making the answer to your second equation...

$x^(4) -2 x^(3) +2x ^(3) -6x ^(2) +3 x^(2) -10x-6$

$x^(4) -3x ^(2)-10x-6.$

Which statements about the graph of the function f(x) = –x2 – 4x + 2 are true? Check all that apply.The domain is {x|x ≤ –2}.
The range is {y|y ≤ 6}.
The function is increasing over the interval (–∞ , –2).
The function is decreasing over the interval (−4, ∞).
The function has a positive y-intercept.

Answers

For the function
f(x) = -x2 -4x + 2
The standard form is:
f(x) =-(x+2)2 + 6

Since this a quadratic function, the domain is all real numbers.
The vertex is at (-2, 6)
Since there is a negative 1 before the square term, the graph is curved downwards.
Equating the function to 0, the y-intercepts can be determined which are 0.45 and -0.45.

Therefore, from the given statements, these apply:
The range is {y|y ≤ 6}.
The function is increasing over the interval (–∞ , –2).
The function is decreasing over the interval (−4, ∞).
The function has a positive y-intercept.

we have

$f(x) = -x^(2) - 4x + 2$

using a graph tool

see the attached figure

Statements

case 1) The domain is {x|x ≤ –2}

Is false. the domain is all real numbers---------> interval (-∞,∞)

case 2) The range is {y|y ≤ 6}.

Is true

Is a parabola open down, the vertex is the point $(-2,6)$

the range is the interval ------> (-∞,-6]

case 3) The function is increasing over the interval (–∞ , –2).

Is true (see the graph)

case 4) The function is decreasing over the interval (−4, ∞)

Is false

In the interval (-4,-2) the function is increasing and in the interval (-2, ∞) the function is decreasing

case 5) The function has a positive y-intercept

Is true

The y-intercept is the point $(0,2)$

therefore

the answer is

The range is {y|y ≤ 6}

The function is increasing over the interval (–∞ , –2)

The function has a positive y-intercept

Use the distributive property to multiply 5(b+8)a.5b+40
b.5b+8
c.5b+13
d.8b+40

Answers

Answer:

Is a. 5b+40

Step-by-step explanation:

The distributive property explains that the multiplication of a number by a sum is equal to the multiplication of the number by each of the addends. So in this case we can multiply the number 5 by each one of the addends, this is:

$5*(b+8)=5*b+5*8=5b+40$

From the above the answer is a. 5b+40

The answer is 5b+40

5+b=5b
5×8=40

=5b+40

30 = X-8
One step equation

Answers

Answer:

Step-by-step explanation:

30 = X-8

+8 +8

38=x

A group of 9 people spent $78 to go to the movies. Adult tickets cost $10 each and student tickets cost $8 each. How many adult tickets were purchased?