3 years ago

How do I find x in this question. Please help I'm very confused.

Mathematics

1 answer:

seropon [69]3 years ago

8 0

X=99 and theres no question

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Answer:

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3 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

Read 2 more answers

Simplefly the problem 1/2x/45>61

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Answer:

x>5490

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x>61×90

x>5490

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2 years ago

mrs. West took her class on a field trip to the museum cost of admission for the girls was $90 and the cost of admission for the

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Step-by-step explanation:

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3 years ago

What is the reason for number 4 and 5?

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Answer:

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5. Congruent by SAS

Step-by-step explanation:

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