3 years ago

HELP!!! me plz I don’t get it!!!!

Mathematics

1 answer:

fomenos3 years ago

7 0

Answer: 3/2, 1 1/2 or 1.5

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Is f(g(13))? 16 26 32

lys-0071 [83]

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4 years ago

Solve each equation using the quadratic formula. Find the exact solution, then approximate the solution to the nearest hundredth

Anika [276]

Answer:

$x_1=\frac{5+\sqrt{33}}{4}$ ≈2.69

$x_2=\frac{5-\sqrt{33}}{4}$ ≈-0.19

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You have that the quadratic formula is:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}$

2. To solve the quadratic equation you must substitute the values. So, you have that:

Rewrite the equation:

$2x^{2}-5x-1=0$

$a=2\\b=-5\\c=-1$

Then you have:

$x=\frac{-(-5)+/-\sqrt{(-5)^{2}-4(2)(-1)}}{2(2)}$

3. Therefore, you obtain the following result:

$x_1=\frac{5+\sqrt{33}}{4}$ ≈2.69

$x_2=\frac{5-\sqrt{33}}{4}$ ≈-0.19

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3 years ago

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How do you add with a negative number?

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You just subtract the number

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2 years ago

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Is the square root of two rational numbers

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3 years ago

Help please will award brainliest

laiz [17]

Answer:

Step-by-step explanation:

For the function $y=-5x$ , all coordinates this line passes through should make this inequality true.

$\begin{case}y=5(-7)=35\\y=-2(-5)=10\\y=2(-5)=-10\end{case}$

This corresponds with table B.

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3 years ago