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ira [324]
3 years ago
12

Use the quadratic formula to find the solutions to the quadratic equation

Mathematics
1 answer:
Rufina [12.5K]3 years ago
8 0

Answer:

x \in \varnothing

Step-by-step explanation:

3x^{2} -5x+4=0\\ \Delta = \frac{-5^{2\pm \sqrt{5x^{2} -48} } }{6} =\frac{25\pm \sqrt{-23}}{6} \\ \Rightarrow x \in \varnothing \:(can't\: take\: square\: root\: of\: negative\: number)

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What is the answer to tue eqation <br> 3x+5y+10-2x
Llana [10]
First of all, this is an expression, since it is not set equal to anything; therefore, you can't solve it.
However, you can simplify it.
The simplified expression would be

x+5y+10

Hope this helps!
6 0
3 years ago
ANSWER FAST PLEASE!!!!!!!!<br> 110o<br> 112o<br> 142o<br> 144o
Karolina [17]

Answer:

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4 0
3 years ago
Why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational numb
prisoha [69]

Part B seems to be missing, but I think I have enough information to be able to answer.

Let's say we had two numbers x and y. Let x be rational and y be irrational.

If x is some nonzero number, then x*y is irrational. The proof for this is a bit lengthy so I'll leave it out.

For instance,

x = 2 is rational, y = sqrt(3) is irrational, x*y = 2*sqrt(3) is irrational.

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If we made x = 0, then

x*y = 0*y = 0

This is true for any value of y that we want. The y value doesnt even have to be irrational. It can be any real number.

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So the distinction is that if x = 0, then x*y = 0 is rational since 0 is rational. Otherwise, x*y is irrational.

8 0
4 years ago
A truck needs 7 gallons of fuel to travel 56 miles. Can the truck travel 48 miles with 6 gallons of fuel? Explain.
ozzi
The truck can travel 48 miles with 6 gallons.
Because if you divide 56(miles) by 7(gallons), you will get 8. 8 is the miles per gallon. so if you multiply 8(miles per gallon) by 6(gallons) you will get 48 which is how far the truck can travel on 8 gallons of fuel.

Hope this helps
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3 years ago
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