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Gennadij [26K]
2 years ago
8

Please third time asking I’ll mark brainliest

Mathematics
2 answers:
belka [17]2 years ago
6 0

Answer:

1,536

Step-by-step explanation:

i calculated it

hoa [83]2 years ago
4 0

Answer: A≈440.44

Step-by-step explanation:

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Quadratic equations Please Help Me!!!!!!
igor_vitrenko [27]

The roots are 1 +√7 and 1 -√7.

<h3>What is Quadratic equation?</h3>

A quadratic equation in the variable x is an equation of the form ax² + bx + c= 0, where a, b, c are real numbers, a≠0

Given equation:

y= x²+2x-6

First,

Half the coefficient of x and add and subtract the square of (b/2)

y= x²+2x-6+(1)²-(1)²

y= x²+2x+(1)² -6 -(1)²

y= (x+1)² -7

Now, equate y=0

(x+1)² -7 =0

(x+1)² = 7

x+1= ±√7

x=1 ±√7

Hence, the roots are 1 +√7 and 1 -√7.

Learn more about quadratic equation here:

brainly.com/question/1962219

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7 0
1 year ago
Two numbers add to 151 and the second is 21 bigger than the first. What are the two numbers?
IRISSAK [1]
96 plus 75 I think that is the answer
4 0
3 years ago
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Which is f(-3) for quadratic function graphed
liberstina [14]
The -3 in f(-3) is the X coordinate, so you need to find where the line is on the Y coordinate at that point.

The line is at Y = -9 
3 0
3 years ago
Please help pleaseeee <br> ----------<br> / 0.09 Type interger or decimal.
Mandarinka [93]

Answer:

0.09 = decimal

3 0
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How is 2+ (2) similar to adding 2+2 how is different explain your answer
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2+2 is 4-1=3 quick maths

Step-by-step explanation:

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