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Cloud [144]
4 years ago
6

Solve the quadratic by factoring, completing the square, or using the quadratic formula. [[12x^2-13x+3=0]]

Mathematics
1 answer:
Sav [38]4 years ago
7 0

Answer:

x = 1/3 or x = 3/4

Step-by-step explanation:

Solve for x:

12 x^2 - 13 x + 3 = 0

The left hand side factors into a product with two terms:

(3 x - 1) (4 x - 3) = 0

Split into two equations:

3 x - 1 = 0 or 4 x - 3 = 0

Add 1 to both sides:

3 x = 1 or 4 x - 3 = 0

Divide both sides by 3:

x = 1/3 or 4 x - 3 = 0

Add 3 to both sides:

x = 1/3 or 4 x = 3

Divide both sides by 4:

Answer: x = 1/3 or x = 3/4

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Solve the equation 9=8(n+4)-7
irga5000 [103]

Answer:

n= -2

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask ;)

6 0
4 years ago
Which best describes the complement of spinning any number less than 3?
tatuchka [14]

Answer:

  • <u>The complement of spinning any number less than 3, is spinning a number equal to or greater than 3.</u>

Explanation:

The complement of a subset is the subset of elements that are not in the given subset.

You must know which numbers the spinner has.

Assuming the spinner has the numbers 1, 2, 3, 4, the complement of spinning any number less than 3, is spinning a number that is not less than 3.

Then, that is spinning a number that is equal to or greater than 3.

The numbers that are equal to  or greater than four, for a spinner that has the numbers 1, 2, 3, and 4 are 3 and 4.

Thus, the complement of spinning any number less than 3 is spinning a three or a four.

8 0
3 years ago
PLS HELP WILL GIVE BRANLIEST
nalin [4]

Answer:

C

Step-by-step explanation:

<em>hope this helped. I am in algebra two so you can trust my answer. happy holidays and stay safe</em>

4 0
3 years ago
France can complete 91 oil changes in 7 days how may oil changes can frances complete in 7 days
arsen [322]
Let oil change be x
91 / 7 = x / 11
(91 * 11) / 7 = x
13 * 11 = x
<span>143 = x Ans</span>
8 0
3 years ago
Another easy question need fast please
Tresset [83]

Answer:

30.25

Step-by-step explanation:

All angles of a line must add up to 180. Since we already know that one angle is 90 degrees, we know that the other angles should add up to 90 degrees in order for all of the angles to add up to 180 degrees:

(3x-7)+(x+8)=90

4x+1=90

4x=89

x=22.25

22.25+8= 30.25

3 0
3 years ago
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