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shtirl [24]
3 years ago
6

50 PTS Please do not steal or I will report

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
8 0

Answer:The quadratic formula helps us solve any quadratic equation. First, we bring the equation to the form ax²+bx+c=0, where a, b, and c are coefficients. Then, we plug these coefficients in the formula: (-b±√(b²-4ac))/(2a) .The four methods of solving a quadratic equation are factoring, using the square roots, completing the square and the quadratic formula.

Step-by-step explanation: 6x² + 11x - 35 = 0.

2x² - 4x - 2 = 0.

-4x² - 7x +12 = 0.

20x² -15x - 10 = 0.

x² -x - 3 = 0.

5x² - 2x - 9 = 0.

3x² + 4x + 2 = 0.

-x² +6x + 18 = 0.

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I have 3 countries (Germany, usa, China) with 3 statistics (people per square km, internet users per 100 people, cell phone owne
kolbaska11 [484]
Alright, so if we wanted to take, for example, cell phone owners per 100 people and compare Germany to the USA, we can start by making up a number for Germany - 80 - and a number for the USA - 70. Next, the ratio of people using cell phones is 80/70=8/7 with the numerator being the people from Germany and the denominator being the number from the USA.


4 0
3 years ago
What is the domain of a^2+6a+9/a-10?
ch4aika [34]
The domain is 14^4 and the answer is23^
4 0
3 years ago
Order the fractions from least to greatest: 2/3,5/6,29/36,8/9. Briefly explain your method.
elena-14-01-66 [18.8K]

Answer: 2/3, 29/36, 5/6, 8/9

Step-by-step explanation:

You find the common denominator you could use for all fractions. In this instance, you can use 36 for the common denominator.

2/3: 36/3=12, 2x12=24 therefore 2/3 becomes 24/36.

29/36: you leave this one alone, it has already been simplified.

5/6: 36/6=6, 6x5=30 therefore 5/6 becomes 30/36.

8/9: 36/9=4, 8x4=32 therefore 8/9 becomes 32/26.

4 0
3 years ago
Which relationship between x and y in the equation shows a proportional relationship?
denis23 [38]
Yap,

It seems to me that there are two answers. Both y = .5x and y = 12x. Direct variation is what I'm thinking of so hopefully this helps.

BTW - with Direct Variation, the line will go through (0, 0).
4 0
3 years ago
Simplify 6 to the second power
kirill115 [55]

Answer:

<h2>36</h2>

Step-by-step explanation:

6^2 =6\times 6\\\\= 36

8 0
3 years ago
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