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prisoha [69]
3 years ago
12

Which ones are rational and which ones are irrational?

Mathematics
1 answer:
galben [10]3 years ago
6 0
1. rational
2. irrational
3. rational
4. rational
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Last summers, students who worked earned an average of $80 a week with a standard deviation of $12. What percentage of students
Roman55 [17]

Answer:

  • 2.28%

Step-by-step explanation:

<u>Given:</u>

  • μ = 80
  • σ = 12
  • x = 104

<u>Find z-score:</u>

  • z = (x - μ)/σ
  • z = (104 - 80)/12 = 2

Percent value corresponding to 2 as per z-table is 0.9772. This is corresponding to 97.72%.

<u>Percentage of students earned more than $104:</u>

  • 100 - 97.72 = 2.28
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3 years ago
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6 0
4 years ago
What is the equation of a line that passes through point ( 6, 18 ) and has a y-intercept of -2
Anvisha [2.4K]

Answer:

y=10/3 x - 2

Step-by-step explanation:

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4 years ago
Which expression shows 6a + 8b + 10 written as the product of the GCF times a sum?
Fynjy0 [20]

Answer::112

Step-by-step explanation:

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3 years ago
The HCF of two number is 40 and their product is 52800. find their lcm​
Dima020 [189]

Answer: 1320

Step-by-step explanation:

Given,

HCF of two numbers = 40

Product of two numbers = 52800

To find,

LCM of two numbers =?

Formula required,

HCF × LCM = product of two numbers

Calculation,

Using formula

→ HCF × LCM = product of two numbers

→ ( 40 ) × LCM = 52800

→ LCM = 52800 / 40

→ LCM = 1320

Therefore,

LCM of two numbers would be 1320.

4 0
3 years ago
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