3 years ago

Select all the correct answers. Which equations have infinitely many solutions?

Mathematics

2 answers:

777dan777 [17]3 years ago

4 0

I think it is b and d

guajiro [1.7K]3 years ago

4 0

Answer:

2,4

Step-by-step explanation

all real numbers are solutions, therefore it has infinite many solutions

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^^^^^^^^^^^^^^^^^^^^

telo118 [61]

ANSWER

The correct answer is C

EXPLANATION

We want to find the quotient:

$- \frac{10}{19} \div ( - \frac{5}{7} )$

We multiply by the reciprocal of the second fraction:

$- \frac{10}{19} \times ( - \frac{7}{5} )$

We cancel out the common factors to obtain:

$- \frac{2}{19} \times ( - \frac{7}{1} )$

We multiply to get

$\frac{ - 2 \times - 7}{19 \times 1}$

This simplifies to :

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The correct answer is C

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Two lines, R and M, are represented by the following equations:

likoan [24]

Well, i'm just going to take a stab at this:

The answer out of:
> It is (18,9) ,
> It is (9, 18)
I believe both are correct as those are both plausible coordinates (although I may be wrong)

Line R: 2x + 2y = 18 (x + y = 9)
Line M: x + y = 9
There are infinite many solutions as they are the same line.

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