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makkiz [27]
3 years ago
7

Thank you for helping me

Mathematics
2 answers:
Tresset [83]3 years ago
7 0

Answer:

-8

Step-by-step explanation:

AVprozaik [17]3 years ago
5 0

Answer:

8

Step-by-step explanation:

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The polynomial below is a perfect square trinomial of the form A2 - 2AB + B2.
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In the system of equations, r and s are constants. If the system has infinitely many solutions, what is the value of rs?
exis [7]

Answer:  B) -48

Step-by-step explanation:

If the system of two linear equations a_1x+b_1y=c_1\ \&\ a_2+b_2y=c_2 has infinitely many solutions , then

\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}=k

For the given system of linear equations : rx-sy=26\\4x+3y=13

We , will have

\dfrac{r}{4}=\dfrac{-s}{3}=\dfrac{26}{13}=2\\\\\Rightarrow\ r= 4\times2=8\ \ \&\ \ s=2\times-3=-6

The value of rs=(8)\times-6=-48

Hence, the value of rs is -48.

Thus , the correct option is B) -48.

6 0
3 years ago
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Debora [2.8K]
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Dominik [7]

Given parameters:

First number  = 7.92 x 10⁷

Second number = 7.2 x 10³

Quotient is the number obtained division;

 Now;

            \frac{7.92 x 10^{7} }{7.2 x 10^{3} }

    =    \frac{7.92}{7.2}  x 10⁷⁻³

   = 1.1 x 10⁴

The quotient of the two numbers expressed in scientific notation is  1.1 x 10⁴

3 0
3 years ago
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