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Law Incorporation [45]
3 years ago
13

Tell what you would do to isolate the variable.

Mathematics
1 answer:
Marta_Voda [28]3 years ago
7 0
3z=5 because that's the answer bro lol
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What are the zeros of the function f(x)=x^2-2x-15?
valkas [14]
To find the zeros of this function, we must first set the entire function equal to 0

f(x) = x² - 2x - 15 = 0

Since this is a quadratic function, we must use the quadratic formula, which is:

\frac{-b +/-  \sqrt{b^{2} - 4(a)(c) } }{2a}

Let's assign a, b, and c using our first function
x² means a = 1 (because it could be written as 1x²)
-2x means b = -2
-15 means c = -15

Now let's plug those in:

\frac{-(-2) +/- \sqrt{(-2)^{2} - 4(1)(-15) } }{2(1)}

which simplifies to:

\frac{2 +/- \sqrt{(4 + 60} }{2}

Simplified further:

\frac{2 +/- \sqrt{(64} }{2}
\frac{2 +/- 8 }{2}
And divide it by the 2 on the bottom gives us:

2 +/- 4

2+4 = 6
2-4 = -2

So the zeros of this function are -2 and 6
6 0
3 years ago
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Identify two factors that have a product of 1/12.
worty [1.4K]
\frac{1}{3} ( \frac{1}{4}) =   \frac{1}{12}
3 0
3 years ago
A group of health care workers were asked how many times per week they visited a gym. The data is shown on the dot plot. Select
mezya [45]

Answer:

pretty vague

Step-by-step explanation:

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3 years ago
A rattlesnake at a zoo is 8 feet long. A corn snake at a zoo is 1/4 of that length. Enter the length, in feet, of the corn snake
Tatiana [17]
2 feet. 1/4 of 8 is 2
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An image of a book shown on a website is 3 inches wide and 4.5 inches tall on a computer monitor. The actual book is 9 inches wi
Drupady [299]

Answer:

It Depends

Step-by-step explanation:

If the image is the scale, the answer is 1/3, since its width of 3 is 1/3 the width of the actual book.

If the book is the scale, the answer is 3, since its width of 9 is 3 times the width of the image.

8 0
3 years ago
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