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BaLLatris [955]
2 years ago
12

If x + 3 = 7, then what does (x + 1)2 equal? 25 49 64 121 Help pls

Mathematics
1 answer:
nikklg [1K]2 years ago
6 0

Answer:

no im not going to help you

Step-by-step explanation:

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Translate into an equation or inequality to solve: Two more than twice the sum of a number and 12 is greater than the difference
tamaranim1 [39]
Let say the number is 0.5
Then, sum of this number will be 0.5+0.5=1
Now two is twice of 1.
Hence, it proved to be correct.
And difference between 5 and 1 is 4 which is less than 12. It also match the question condition.

Answer: The number is 1.
3 0
2 years ago
How do I do this problem
KiRa [710]
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Just plug that in to the equation.
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4 0
3 years ago
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Which are the solutions of the quadratic equation x^2=-5x-3
frutty [35]
The correct answer would be \frac{-5 +/-  \sqrt{13} }{2}

In order to solve for this you must first get the equation equal to 0. 

<span>x^2=-5x-3 ----> add 5x to both sides. 
x^2 + 5x = -3 ----> add 3 to both sides.
x^2 + 5x + 3 = 0

Now knowing this we can use the coefficients of each one in descending order of power as a, b and c. 

a = 1 (because it is the coefficient to x^2)
b = 5</span> (because it is the coefficient to x)
c = 3 (because it is the end number)

Now we can plug these values into the quadratic equation. 

\frac{-b +/-  \sqrt{b^{2} - 4ac } }{2a}

\frac{-5 +/- \sqrt{5^{2} - 4(3)(1) } }{2(1)}

\frac{-5 +/- \sqrt{13} }{2}

And those would be your two answers.
5 0
3 years ago
Please help me answer the question in the photo.
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Speed=distance/time
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7 0
3 years ago
A car travels 54 miles per hour. At this rate, how long will it take for the car to travel 108 miles?​
marshall27 [118]

Answer:

2 hours

Step-by-step explanation:

7 0
2 years ago
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