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Anestetic [448]
2 years ago
10

What is the solution to the given equation? X^2+3x+7=0

Mathematics
1 answer:
Gekata [30.6K]2 years ago
7 0

Answer:

-19

well i think it the answer

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X^2=12x-40 solve this equation using the quadratic formula​
dybincka [34]

Answer:

Step-by-step explanation:

X²=12x-40

X²-12x+40=0

a=1  and b= -12 and c = 40

delta = b² - 4ac

delta = (-12)² - 4(1)(40) = 144 - 160 = - 16 = (4i)² ....i² = -1

x1= (12-4i)/2 =6-2i

x1= (12+4i)/2 =6+2i

7 0
2 years ago
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Help Please! Due Today In △ABC the points M and N belong to the sides AC and AB respectively. AM/MC=AN/NB=2/3. Prove that MN∥BC.
sasho [114]

Answer:

It does = 20 you're correct :)

Step-by-step explanation:

5 0
3 years ago
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a five-digth number has a3 in the hundreds place, a 7 in the greatest place-value position, a 9 in the ones place, an 8 in the t
Triss [41]
It will surely be 37986
8 0
2 years ago
You are given that<br> x^2+ ax + b = (x - 5)^2+ 7<br> Work out the values of a and b.
Kruka [31]

The values of a and b from the equation is -10 and 32

Given the equation expressed as x^2+ ax + b = (x - 5)^2+ 7

Expand the right side of the equation to have:

x^2+ ax + b = (x - 5)^2+ 7\\x^2+ ax + b = x^2 -10x + 25 + 7

Simplify the result to have:

x^2+ ax + b = x^2 -10x + 32

Compare both sides of the equation:

ax = -10x

a  = -10

Similarly;

b = 32

Hence the values of a and b from the equation is -10 and 32

Learn more on equations here: brainly.com/question/1214333

8 0
2 years ago
What is 77 .35 divided by 3.5
Gennadij [26K]

Answer:

22.1

Step-by-step explanation:

77.35÷3.5=22.1

Have a wonderful day!

5 0
2 years ago
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