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expeople1 [14]
3 years ago
14

Choose the correct pair !

Mathematics
2 answers:
expeople1 [14]3 years ago
6 0
\begin{cases}3x+6y=36\\3x-6y=0\end{cases}\\\\--------(-)\\\\3x-3x+6y-(-6y)=36-0\\\\6y+6y=36\\\\12y=36\quad|:12\\\\\boxed{y=3}\\\\\\3x-6y=0\\\\3x-6\cdot3=0\\\\3x-18=0\quad|+18\\\\3x-18+18=0+18\\\\3x=18\quad|:3\\\\\boxed{x=6}

Answer A.
Gnom [1K]3 years ago
5 0
The answer is D I really hope this helps
:)

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sam divided a rectangle into 8 congruent rectangles that each have a area of 5 cm2. what is the area of the rectangle before it
Vikki [24]
Congruent= the same shape and size.

area of the rectangle before it is divided=8*(area congruent rectangle)
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Area of the rectangle before it is dividide=40 cm²
5 0
3 years ago
Siri can run 6 miles in 3/4 of an hour at this rate what is the total number of miles a student can run in one hour
Lesechka [4]

Answer:

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3 0
3 years ago
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grigory [225]

Answer:

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Step-by-step explanation:

6 0
3 years ago
50+ POINTS I NEED HELP
olga nikolaevna [1]

Answer:

<u><em>21 yard line</em></u>

Step-by-step explanation:

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Hope I could help, If you need some more assistance ask me!

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Read 2 more answers
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