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AleksAgata [21]
3 years ago
7

Solve each quadratic equation by the square root method. X^2+2x-3=0

Mathematics
1 answer:
densk [106]3 years ago
4 0
Move all terms to the left side and set equal to zero. then set each factor equal to zero. x=1,-3
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Phil is 2 years older than Andrew. Andrew is 6 years old. The sum of their ages is 22 years. How old is Bob?
KatRina [158]

Answer:

he would be 14

Step-by-step explanation:

5 0
3 years ago
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State whether the given equation or function is linear. Write yes or no. Explain your reasoning. f(x) = 7x2 + 4
vagabundo [1.1K]

For this case we have the following function:

f (x) = 7x ^ 2 + 4

By definition, we have that a linear equation is of the form y = mx + b

On the other hand, a quadratic equation is of the formy = ax ^ 2 + bx + c

Then, the given equation is not a linear equation, it is not of the form y = mx + b

Answer:

No, the equation is not linear. It is not of the form f (x) = mx + b.

4 0
4 years ago
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Is the answer a,b,c or d​
Natalija [7]

Answer:

C) SSS

Step-by-step explanation:

<em>SSS</em> stands for "<em>side, side, side</em>" and means that we have two triangles with all three sides equal.  

If three sides of one triangle are equal to three sides of another triangle, the triangles are <em>congruent</em>.

5 0
3 years ago
Ms. Ferris owns a barn 12 yards long
Ratling [72]

Answer:

V = 1188 yd^3

Step-by-step explanation:

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Read more at Answer.Ya.Guru – https://answer.ya.guru/questions/6458403-msferris-owns-a-barn-12-yards-long-9-yards-high-and-11-yards.html

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erik [133]

Answer:

-4

Step-by-step explanation:

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