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ohaa [14]
3 years ago
15

15 points, Solve the rational exponents, please show the work if you can :)

Mathematics
1 answer:
natta225 [31]3 years ago
7 0

Answer:

1. X=7

2. X=6

3. X=4

4. X=8

5. X=4

6. X=4

7. X=3

Step-by-step explanation: hope this help

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Graph the system by using technology. What is the y-coordinate of the solution?
son4ous [18]
Take second equation here, 
2x + 9 = -12
2x = -12 - 9
2x = -21
Multiply by 2, 
4x = -42

Now, substitute the vaue of 4x in 1st equation, 
-42 - y = 2
-y = 2 + 42
y = -44

In short, Your Answer would be -44

Hope this helps!
3 0
4 years ago
What is f(x) = 7x2 42x written in vertex form? f(x) = 7(x 6)2 – 6 f(x) = 7(x 6)2 – 42 f(x) = 7(x 3)2 – 9 f(x) = 7(x 3)2 – 63.
ioda

The vertex form of the function f(x) is \rm f(x)= 7 ( x + 3 )^2 - 63.

<h2>Given </h2>

Function; \rm f(x) = 7x^2 + 42x

<h3>What is the vertex form of function?</h3>

The vertex of a parabola is the point at which the parabola passes through its axis of symmetry.

The standard equation which represents the vertex form of the function is;

\rm f(x) =(x-h)^2+k^2

Where h and k are vertexes of the given parabola.

The function is in vertex form;

\rm f(x)= 7 x^2 + 42 x\\\\ f(x) = 7 ( x^2+ 6 x ) \\\\ f(x)= 7 ( ( x^2+ 6 x + 9 ) - 9 ) \\\\ f(x)= 7 ( x + 3 )^2 - 63

Hence, the vertex form of the function f(x) is \rm f(x)= 7 ( x + 3 )^2 - 63.

To know more about the Vertex form lick the link given below.

brainly.com/question/9070346

6 0
2 years ago
I am using the rest of my points so wish me luck trying to figure the rest out
lutik1710 [3]

There are 4 variables in the expression. The variables are: a,b,c and d.

8d^2 = variable d

2bc = variables b and c

10ab = variables a and b

3 0
4 years ago
Please show work.<br> 3. Solve the given inequality and graph the solution on a number line.
adelina 88 [10]

Answer:where’s the number line?

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP
Mashutka [201]
Cubes
Triangular prisms
Rectangular prisms
Square prisms
Square prisms
3 0
3 years ago
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