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Gekata [30.6K]
2 years ago
7

Solve each of the following equations show solution set on a number line 3x-1=8

Mathematics
1 answer:
Nina [5.8K]2 years ago
4 0

Answer:

x=3

Step-by-step explanation:

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Find two numbers whose difference is 164 and whose product is a minimum. (smaller number) (larger number)
77julia77 [94]
The lowest possible product would be -6724 given the numbers 82 and -82. 

We can find this by setting the first number as x + 164. The other number would have to be simply x since it has to have a 164 difference. 

Next we'll multiply the numbers together. 
x(x+164)
x^2 + 164x

Now we want to minimize this as much as possible, so we'll find the vertex of this quadratic graph. You can do this by finding the x value as -b/2a, where b is the number attached to x and a is the number attached to x^2

-b/2a = -164/2(1) = -164/2 = -82

So we know one of the values is -82. We can plug that into the equation to find the second. 

x + 164
-82 + 164 
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3 years ago
In a video game, each rocket has an 80% chance of hitting a target. Three rockets are now fired at a target. What is the probabi
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See https://web2.0calc.com/questions/help_69037.

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Given that ΔUVW is similar to ΔXYZ, find the length of ZX.
katovenus [111]
I got the same question and Im pretty sure its d. 20
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3 years ago
Let a represent a non zero rational number and let b represent an irrational number. Which expression could represent a rational
Marta_Voda [28]

The operation between a rational and a irrational number that results in a rational number is a multiplication, hence the expression ab could represent a rational number.

<h3>What are rational and irrational numbers?</h3>

If a number can be represented by a fraction, it is rational, otherwise, it is irrational.

The addition/subtraction of a rational and an irrational numbers is irrational, while the multiplication is rational, hence the expression ab could represent a rational number.

More can be learned about rational numbers at brainly.com/question/10814303

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