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natali 33 [55]
2 years ago
6

How is the additive inverse property used to subtract rational numbers?​

Mathematics
1 answer:
bulgar [2K]2 years ago
3 0
Understanding subtraction of rational numbers as adding the additive inverse p-q=p+(-9)
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What is the value of x when the Richter scale rating is 4.4? Round your answer to the nearest hundredth. Pls help
Lemur [1.5K]

Hello,

We have to use this relation : \text{rating}=\log(\text{ratio})

He we have :

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5 0
3 years ago
A parabola intersects the x-axis at x=3 and x=9 what is the x-coordinate of the parabola's vertex?
KiRa [710]

Here we are given the x intercepts at x=3 and x=9

So let us try to make quadratic equation for this using given information.

We have factors in the form (x-a)(x-b)

where a and b are x intercepts given to us.

So rewriting in factored form:

y=(x-3)(x-9)

Now let us simplify it:

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For a quadratic equation of the form:

y=ax^{2}+bx+c

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So using this formula for our equation,

x=\frac{-(-12)}{2(1)}

So x = 6

Answer: The x-coordinate of the parabola's vertex is 6.


7 0
3 years ago
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A building contractor examined 6 floor joists in a home and found that they had the following widths:
miss Akunina [59]

Answer:

Step-by-step explanation:8 inches

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scZoUnD [109]

Answer:

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Check the picture below.

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