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SOVA2 [1]
2 years ago
14

A system has an infinite number of solutions. one equation is 3x-3y=8. Which could be the other equation in the system of equati

ons?
Mathematics
1 answer:
andrezito [222]2 years ago
5 0

Answer:

6x-6y-16=0

Step-by-step explanation:

Consider the following system of equations:

a_1x+b_1y+c_1=0\\\\a_2x+b_2y+c_2=0

The system of equations has infinite solutions if \frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}

One equation is 3x-3y=8

3x-3y-8=0

Take another equation as 6x-6y-16=0

So, the two equations are 3x-3y-8=0 and 6x-6y-16=0

a_1=3,b_1=-3,c_1=-8,a_2=6,b_2=-6,c_2=-16

\frac{a_1}{a_2}=\frac{3}{6}=\frac{1}{2}\\  \frac{b_1}{b_2}=\frac{-3}{-6}=\frac{1}{2}\\  \frac{c_1}{c_2}=\frac{-8}{-16}=\frac{1}{2}

So,

\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}

Therefore, another equation can be 6x-6y-16=0

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Simple and easy question<br> please help
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Answer:

Total volume of the figure = 1067 cm³

Step-by-step explanation:

Volume of the composite figure = Volume of the rectangular prism + Volume of the square pyramid

Volume of the rectangular prism = Length × Width × Height

                                                      = 10 × 10 × 7

                                                       = 700 cm³

Volume of the square pyramid = \frac{1}{3}(\text{Area of the base})\times (\text{height})

                                                   = \frac{1}{3}(\text{Side})^2 × height

                                                   = \frac{1}{3}(10)^2(18-7)

                                                   = 366.67 cm³

Total volume of the composite figure = 700 + 366.67 = 1066.67 cm³

                                                                                          ≈ 1067 cm³

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