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Zinaida [17]
3 years ago
10

An equation has solutions of m = –5 and m = 9. Which could be the equation? (m + 5)(m – 9) = 0 (m – 5)(m + 9) = 0 m2 – 5m + 9 =

0 m2 + 5m – 9 = 0
Mathematics
2 answers:
Colt1911 [192]3 years ago
8 0
The answer is the first choice (m+5)(m-9)=0
riadik2000 [5.3K]3 years ago
6 0

Answer: Option 1 is correct that is (m+5)(m-9)

Explanation:

We can answer the given question from "Zero Product Property".

whenever we have have factors comes out to be suppose (x-2) we will equate  it  to zero and we get  x= -2 hence in given question we have to write in the converse form

we can see if we will equate (m+5) = 0 then only we will get m = -5

and (m-9) =0 then only m = 9

So, its just that you have to take opposite sign inside the bracket that is given with the root.

Option 2,3 and 4 are incorrect because of the reason mentioned above.

Hence, Option 1 is correct

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EleoNora [17]

Hi! I'm Jenny and I'm a mathematician! I'd love to help you with this problem! :)

Lets get started...

I'll write the equation out for you!

x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

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8 0
3 years ago
The extensions of the legs AB and CD of a trapezoid ABCD intersect at point E. Find the lengths of the sides of △AED if AB=5cm,
Lynna [10]

Answer:

  AE = 15 cm; ED = 18 cm; AD = 15 cm (given)

Step-by-step explanation:

ΔBEC ~ ΔAED so ...

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Substituting given numbers (lengths in centimeters), we have ...

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Similarly, ...

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Then the unknown sides are ...

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8 0
3 years ago
Look closely at the model.
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Perimeter: 2(x+3) + 2(x+2)

Step-by-step explanation:

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How do I know when I need to use SSS or SAS in geometry? I'm having a lot of trouble understanding the difference and when to us
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SSS = Side-Side-Side
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SAS  = Side-Angle-Side
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The angle must be formed by the two pairs of congruent, corresponding sides of the triangles. If the angles are not formed by the two sides that are congruent and corresponding to the other triangle's parts then you cannot use the SAS postulate.

you will notice that the main difference between the two postulates is that the SAS consists of an angle and the SSS does not.

hope this helps :)




7 0
2 years ago
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