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3 years ago

Hellpmeh i kinda get it

Mathematics

2 answers:

Lorico [155]3 years ago

6 0

Answer:

1/2

Step-by-step explanation:

54,56,60,65,30,55,55,65,66 and 65

then place them in order from least to greatest

30,54,55,55,56,60,65,65,65 and 66

and to average they seem to grow equally over and under sixty inches.

RoseWind [281]3 years ago

4 0

Answer:

1/2 or 50%

Step-by-step explanation:

5 are lower than 60

and 5 are =/> 60

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Aleonysh [2.5K]

Answer:

the answer is a

you can subsitute or work backwards

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3 years ago

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Otrada [13]

Answer: we dont understand cfjsylukyxydoydodkzlslyldl

Step-by-step explanation:

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3 years ago

I also need help with this one.

MakcuM [25]

Answer:

(0, 2)

Step-by-step explanation:

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2 years ago

A cube consists of twenty-seven 2×2×2

GuDViN [60]

Answer:

Okay, So its It is the same as the surface area of the original cube.

Step-by-step explanation:

It's correct I made sure it was.

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3 years ago

Which expressions below equal a rational number? Choose all that apply. 4/5 + 3/8; sqrt(100) + sqrt(5); 7sqrt(5) - sqrt(245); (4

masha68 [24]

Answer:

Step-by-step explanation:

<h3>Rational number</h3>

$1) \dfrac{4}{5}+\dfrac{3}{8}\\\\\dfrac{4}{5} \ \text{is a rational number} \ and \ \dfrac{3}{8} \ \text{is a rational number}\\\\\dfrac{4}{5}+\dfrac{3}{8} \ \text{is also a rational number}$

$b) \sqrt{100}+\sqrt{5} = 10+\sqrt{5}\\\\\sqrt{5} \ \text{is a irrational number}. \\\\ \text{Rational number added to irrational number will result in an irrational number}\\\\10 + \sqrt{5} \ is \ not \ a \ rational \ number.$

$7\sqrt{5}-\sqrt{245}=7\sqrt{5}-\sqrt{7*7*5}$

$= 7\sqrt{5}-7\sqrt{5}\\\\=0\\\\\text{\bf $ 7\sqrt{5}-\sqrt{245}$ ia a rational number}$

$(4\sqrt{7})*(2\sqrt{7})=4*2*\sqrt{7*7}\\$

= 4*2*7

= 56

$4\sqrt{7}*2\sqrt{7} \ \text{\bf is a rational number}$

8 0

2 years ago