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3 years ago

When can you say that there is no solution for a system of linear equation

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

5 0

Answer:

You can say there is no solution for a system of linear equation when the graphs are PARALLEL to each other.

ONE solution: when both lines intersect at one point

INFINITE solution: when the line goes on forever

NO solution: is when the lines are parallel to each other.

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Can you conclude that this parallelogram is a rectangle? Explain.

maxonik [38]

I think it yes the diagonals are congruent but I can’t really tell

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2 years ago

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B) Find the value of a^2 + b^2 when a = 3 and b= -2

Zielflug [23.3K]

Answer:

Step-by-step explanation:

a = 3

b = -2

a² + b² = 3² + (-2)²

= 9 + 4

= 13

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2 years ago

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Name another pair of metric units of length that have the same relationship

Vanyuwa [196]

One pair of metric unit of length would be meters and kilometers. 1 km is equal to 1000 meters. Metric system is the official/standard in measuring length, mass, area, volume, speed, etc. and it is the agreed system of measurement.

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3 years ago

Use the frequency table to find the mean number of working TV sets in students' homes. (picture attached)

LenaWriter [7]

The correct option is : 2

Explanation

For finding the mean number of working TV sets, we need to divide the total number of TV sets by the total frequency.

Now for finding the total number of TV sets, first we will multiply each number of TV sets by it's frequency and then sum up all the results.

So, the total number of TV sets

$=(0*1)+(1*8)+(2*9)+(3*4)+(4*3) \\\\ =0+8+18+12+12=50$

and total frequency $=1+8+9+4+3= 25$

Thus, the mean number of working TV sets $= \frac{50}{25}=2$

5 0

2 years ago

Find the area of triangle ABC with the given parts. Round to the nearest whole number.

slavikrds [6]

$\sin{26.4^o}= \frac{h}{12.3} 
\\
\\h=12.3\times \sin{26.4^o}=5.47
\\
\\A= \frac{7.7\times5.47}{2}= 21.06$

3 0

3 years ago