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2 years ago

How many solutions does the system of linear equations have? Use the drop-down menus to explain your answer.

Mathematics

1 answer:

baherus [9]2 years ago

8 0

1 solution
different
intersect

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Thank u to da person who is willing to help me will get this Brainliest! :3

kumpel [21]

1) use distributive property
3x - 6 + 5x + 4
8x - 2

2) 4-2x - 14 - 3
-14 - 2x

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2 years ago

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A man travels 13.2 by train, 45.07 by bicycle, and 17.2 by car. How far did he 5 travel?

Nuetrik [128]

Answer:

75.47

Step-by-step explanation:

Hey there !!!!!

to, see how much did the man travel in total. you just add all of the distances that the man traveled.

he traveled:

13.2 by tairn

45.07 by bicycle

17.2 by car

if you add all of them up :

45.07 + 13.2 = 58.27

58.27 + 17.2 = 75.47

have a wonderful day

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2 years ago

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Using a straight path, how far is a point located at (9,-5) from the origin? Round your answer to the nearest tenth.

Iteru [2.4K]

The answer is 10square root 7

4 0

2 years ago

Tju [1.3M]

Answer:

Step-by-step explanation:

Rationalize the denominator of b. So, multiply the numerator and denominator by $\sqrt{x}$

$b = \frac{(1-2\sqrt{x}) *\sqrt{x}}{\sqrt{x}*\sqrt{x} }=\frac{1*\sqrt{x} -2\sqrt{x} *\sqrt{x} }{\sqrt{x} *\sqrt{x} }\\\\=\frac{\sqrt{x} -2x}{x}\\$

Now, find a +b

$a +b = \frac{2x+\sqrt{x} }{x}+\frac{\sqrt{x} -2x}{x}\\\\=\frac{2x+\sqrt{x} +\sqrt{x} -2x}{x}$

Combine like terms

$= \frac{2x-2x+\sqrt{x} +\sqrt{x} }{x}\\\\=\frac{2\sqrt{x} }{x}$

Now find (a + b)²

(a +b)² = $(\frac{2\sqrt{x} }{x})^{2}$

$= \frac{2^{2}*(\sqrt{x} )^{2}}{x^{2}}\\\\= \frac{4* x}{x^{2}}\\\\= \frac{4}{x}$

Hint: $\sqrt{x} *\sqrt{x} =\sqrt{x*x}=x$

5 0

2 years ago

How many pounds of walnuts that cost $0.80 per pound must be mixed

jeyben [28]

Answer:

kt 5.20 yes

Step-by-step explanation:

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2 years ago

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