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3 years ago

Sam answered 36 questions correctly out of 60. Express his score as a percentage.

Mathematics

2 answers:

Dvinal [7]3 years ago

4 0

Answer:

60%

Step-by-step explanation:

36 / 60 = .6

We turn .6 into an percentage which gives 60%

mestny [16]3 years ago

4 0

Answer:

Step-by-step explanation:

because thunk of 30/60 that is 50 percent then at 6 and you get 60

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The print on the package of -watt General Electric soft-white light-bulbs says that these bulbs have an average life of hours. A

Naddika [18.5K]

Answer:

Hi your question is incomplete attached below is the complete question

answer : p ( X < 725 ) = 0.0116

Step-by-step explanation:

Given data:

Average life of bulbs (μ ) = 750 hours

standard deviation (б ) = 55 hours

n ( sample size ) = 25

X = 725

<u>Probability that the mean life of a random sample of 25 bulbs will be less than725 hours </u>

p ( X < 725 ) = p (( X - μ )/ б √n < 725 - 750 / 55√25 )

= P ( Z > - 2.27 )

Hence P ( X < 725 ) = 0.0116 ( using Z-table )

3 0

3 years ago

Jim is running on a trail that is 5/4 of a mile long. How many miles has he run so far?

vekshin1

1 mile and 1/4 of a mile

6 0

4 years ago

Which one is right ???????

wel

Neither, you just multiply the numerators to get 1, then multiply the denominators to get 6. It is 1/6

3 0

3 years ago

What are the real and complex solutions of the polynomial equation x^4+3x^2-4

Lyrx [107]

Answer: (D) -1,1,-2i,2i

Explanation:

$x^4+3x^2-4 = 0\\x^2 \rightarrow z\\z^2 + 3z -4 = 0 \\z_1 = -4\\z_2 = 1\\x_{1,2} = \pm\sqrt{-4}=\pm 2 i\\x_{3,4} = \pm 1$

5 0

3 years ago

The income of a person is Rs 18,000 per month .due to the exemption of the income of Rs 1,40,000 per year, he has paid Rs 11,400

svp [43]

If the income of a person is Rs 18,000 per month , the exemption of the income is Rs 1,40,000 per year, If he has paid Rs 11,400 as an income tax at the end of the year . The percent per annum of the tax paid is: 15%.

<h3>
</h3><h3>Tax percentage</h3>

Given:

Income of a person=Rs 18,000 per month

Exemption income per year=140,000

Income tax paid=11,400

First step is to the calculate the Income per year since the income of a person is Rs 18,000 per month

Income per year= 18,000 ×12

Income per year=216,000

Second step is to calculate the taxable income

Taxable income=216,000-140,000

Taxable income=76,000

Third step is to calculate the tax Percentage per annum

Tax percentage=11,400/76,000×100

Tax percentage=15%

Therefore If he has paid Rs 11,400 as an income tax at the end of the year . The percent per annum of the tax paid is: 15%.

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Learn more about tax percentage here:brainly.com/question/24274714

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7 0

2 years ago