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Temka [501]
2 years ago
14

230+230+230+230= ?

SAT
1 answer:
34kurt2 years ago
8 0
Sorry, I am kind of confused.
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The positive solution to the equation x^2- 4 = 6
VARVARA [1.3K]

Answer:

In the form of a+\sqrt{b},

  • a = 3
  • b = 13

Explanation:

The equation can be rewritten as:

x^{2} -6x-4=0

Find the solutions using the quadratic formula:

  • a = 1
  • b = -6
  • c = -4

x=\frac{-b+-\sqrt{b^{2}-4ac} }{2a} \\\\=\frac{-(-6)+-\sqrt{(-6)^{2} -4(1)(-4)} }{2(1)} \\\\=\frac{6+-\sqrt{36+16} }{2} \\\\=\frac{6+-\sqrt{52} }{2} \\\\=\frac{2(3)+-2\sqrt{13} }{2} \\\\=\left \{ {{x_{1}=3+\sqrt{13} } \atop {x_{2}=3-\sqrt{13} }} \right.

Find the solution that's positive:

\left \{ {{x_{1} = 3+\sqrt{13} = 6.605551275... } \atop {x_{2} = 3-\sqrt{13} = -0.605551275... }} \right

Therefore, the solution would be 3+\sqrt{13}.

In the form of a+\sqrt{b},

  • a = 3
  • b = 13
7 0
2 years ago
6 new rules for baseball
vovikov84 [41]

Answer:

For the entire league, games that stretch past the traditional nine innings will now start with a runner on second base. The player on second base will be the batter who immediately precedes the half-innings leadoff hitter in the batting order.

4 0
2 years ago
A way to categorize information and point you to where to find that information is called
anyanavicka [17]
The answer is: D - Both A and C.
6 0
2 years ago
By the early twentieth century, 85 percent of Texans lived in urban areas. true or false
Sav [38]

By the early twentieth century, 85 percent of Texans lived in urban areas.

<h3>Where is Texas?</h3>

Texas is one of the states that make up the United States of America. Texas once had a large rural population who were mostly into farming. However, at the turn of the twentieth century most of the people of Texas have moved to urban areas. The reason for the migration to urban areas is to ensure that people get a better life and access better opportunities for decent employment.

Thus, it is a true statement that; "By the early twentieth century, 85 percent of Texans lived in urban areas." This implies that a very large degree of rural - urban migration had taken place in Texas by the twentieth century.

Learn more about Texas:brainly.com/question/14968290

#SPJ1

5 0
1 year ago
An area of study in which you take most of your collage classes is called a
qaws [65]

Answer:

I think the answer is B)major  

Explanation:

hope this helps if not let me know have a blessed day

8 0
2 years ago
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