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FromTheMoon [43]
3 years ago
14

Classify each of the following sums as rational or irrational. Can y'all help me asap

Mathematics
1 answer:
Simora [160]3 years ago
4 0

Classify each of the following sums as rational or irrational.​

3÷5 + √3 = Irrational can't be written as a ratio of two integer numbers.​

3÷5 + √4 = 3÷5 + 2 = (3 + 2*5)÷5 = 13÷5 Rational can be written as a ratio of two integer numbers.​

2÷3 + √6 = Irrational can't be written as a ratio of two integer numbers.​

2÷3 + √1 = 2÷3 + 1 = (2+3)÷3 = 5÷3 Rational can be written as a ratio of two integer numbers.​

​2÷9 + √2 = Irrational can't be written as a ratio of two integer numbers.

2÷11 + √9 = 2÷11 + 3 = (2+11*3)÷11 = 35÷11 Rational can be written as a ratio of two integer numbers.​

Hope this helps!​

\textit{\textbf{Spymore}}​​

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Serga [27]

Average: about 87%

Her english grade affects her average because it is the lowest out of all of the grades which brought her average grade down.

not sure about this: To bring her average higher, she should probably try more in english or study. (not sure about this one)

Step by Step:

Add up all of her scores:

86 + 72 + 93 + 87 + 93 + 100 + 80

it equals 611

Since we added up 7 scores, we divide 611 by 7

611 divided by 7 is 87.285...

So her average is about 87%

7 0
2 years ago
In the expression 2m-5, which is the variable ?
Neko [114]

Answer:

m

Step-by-step explanation:

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3 0
2 years ago
A particular fruit's weights are normally distributed, with a mean of 405 grams and a standard deviation of 19 grams. If a fruit
cluponka [151]

Answer:

413.126

Step-by-step explanation:

Given a normal distribution :

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Weight of fruit will be greater than how many grams (x) if picked 17% of the time:

P(Z > x) = 0.17 ;

The Zscore for P(Z > x) = 0.17 equals 0.954 (Z probability calculator)

Zscore = (x - m) / s

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0.954 * 19 = x - 405

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8 0
3 years ago
Can someone figure this out for me?
goldenfox [79]

Answer:

it spells ucla, or U C LA

get it you see Los Angeles

or the school name in Los Angeles

Step-by-step explanation:

you shade in 12.5in^2

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20in

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6 0
2 years ago
Halfway through the​ season, a soccer player has made 15 penalty kicks in 19 attempts. Based on her performance to​ date, what i
stepladder [879]

Answer:

\dfrac{15}{19}

Step-by-step explanation:

The soccer player so far has made 15 penalty kicks in 19 attempts.

Therefore:

Total Number of trials =19

Number of Successes =15

Therefore, the relative frequency probability that she will make her next penalty​ kick is:

=\dfrac{\text{Number of Successes}}{\text{Total Number of Trials}} \\=\dfrac{15}{19}

7 0
3 years ago
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