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Mathematics

2 answers:

castortr0y [4]3 years ago

6 0

The Answer is A because arcording to my calculations and the Internet it shows me that it is A

ira [324]3 years ago

4 0

Answer:

Step-by-step explanation:

In the graph of y = x2, the point (0, 0) is called the vertex. The vertex is the minimum point in a parabola that opens upward. In a parabola that opens downward, the vertex is the maximum point. We can graph a parabola with a different vertex.

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Divide (-3x^2 - 9x) ÷ (x + 3) please explain/show work! <33

Stolb23 [73]

Step-by-step explanation:

 $( - 3 {x}^{2} - 9x) \div (x + 3)$ 

This is the original equation so you will open the brackets.

 $- 3 {x}^{2} - 9x \div x + 3$ 

The x will cross the division sign making it times x.

 $3 {x}^{2} - 9x \times x = 3$ 

So you will proceed to multiply the 9x by x making it;

 $3 {x}^{2} - 9 {x}^{2} = 3$ 

So you will subtract 9x² from 3x² which won't be possible so it will be negative.

 $- 6 {x}^{2} = 3$ 

Then you will square root both sides making it;

 $- \sqrt{6 {x}^{2} } = \sqrt{3}$ 

So the ² will cancel the √ leaving 

-6x=√3

-6x=1.73(Divide both sides by -6)

x=0.288

That's the final answer.

8 0

3 years ago

Story problems don't know when to add subtract multiply or divide

Eddi Din [679]

Addition: Add, Sum, Plus, Increase, Total

Subtraction: Subtract, Minus, Less, Difference, Decrease, Take Away, Deduct

Multiplication: Multiply, Product, By, Times, Lots Of

Division: Divide, Quotient, Goes Into, How Many Times

5 0

4 years ago

What is the rate of change

Elza [17]

Answer:

The rate of change is 1

Step-by-step explanation:

In order to calculate the rate of change, take two points (in this example I'll use points (8, 2) and (10, 4)) and input them into this expression used to calculate rate of change: $\frac{y2-y1}{x2-x1}$