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lesya692 [45]
3 years ago
13

WORTH EXTRA POINTS! Plz help me this is about using pythagorean therom to find isosolize triangels side lenghths. It really easy

7th grade math. Please help :) Thanks I will mark brainliest asap.
Mathematics
2 answers:
yanalaym [24]3 years ago
8 0

Answer:

M

Step-by-step explanation:

avanturin [10]3 years ago
4 0

Answer:

<h2>Pythagorean Theorem: a^2 + b^2 = c^2</h2>

But what is the actual question?

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BRIANLIST ANSWER!! Please help on this one question ( if you’re good at this) thanks :))
ivann1987 [24]

Answer:

Step-by-step explanation:

(21²+10²)½ = 23.25= 23.3

5 0
3 years ago
What are the roots of this equation? x2-4x+9=0
zysi [14]

Considering the definition of zeros of a function, the zeros of the quadratic function f(x) = x² + 4x +9 do not exist.

<h3>Zeros of a function</h3>

The points where a polynomial function crosses the axis of the independent term (x) represent the so-called zeros of the function.

In summary, the roots or zeros of the quadratic function are those values ​​of x for which the expression is equal to 0. Graphically, the roots correspond to the abscissa of the points where the parabola intersects the x-axis.

In a quadratic function that has the form:

f(x)= ax² + bx + c

the zeros or roots are calculated by:

x1,x2=\frac{-b+-\sqrt{b^{2}-4ac } }{2a}

<h3>This case</h3>

The quadratic function is f(x) = x² + 4x +9

Being:

  • a= 1
  • b= 4
  • c= 9

the zeros or roots are calculated as:

x1=\frac{-4+\sqrt{4^{2}-4x1x9 } }{2x1}

x1=\frac{-4+\sqrt{16-36 } }{2x1}

x1=\frac{-4+\sqrt{-20 } }{2x1}

and

x2=\frac{-4-\sqrt{4^{2}-4x1x9 } }{2x1}

x2=\frac{-4-\sqrt{16-36 } }{2x1}

x2=\frac{-4-\sqrt{-20} }{2x1}

If the content of the root is negative, the root will have no solution within the set of real numbers. Then \sqrt{-20} has no solution.

Finally, the zeros of the quadratic function f(x) = x² + 4x +9 do not exist.

Learn more about the zeros of a quadratic function:

brainly.com/question/842305

brainly.com/question/14477557

#SPJ1

6 0
1 year ago
PLEASE HELP ME!!!!! I need Help Please With the 2nd question please any help me
galina1969 [7]
Hello,
Please, see the attached file.
Thanks.

3 0
3 years ago
Find the probability of picking a purple marble from a jar with 14 green and 14 purple<br> marbles.
iris [78.8K]

Step-by-step explanation:

n(s)=28

n(p)=14

p(p)= n(p)/n(s)

= 14/28

=1/7

4 0
3 years ago
What is 3x 4=5x-10? need some help with this. never been good at solving these.
GrogVix [38]
3x4=5x-10
12=5x-10
22=5x
x=4.4
3 0
3 years ago
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