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Vinil7 [7]
3 years ago
15

Find the exact value of cos a, given that sin a= 8/11 and

Mathematics
1 answer:
DerKrebs [107]3 years ago
7 0

Answer:

  cos(a) = (√57)/11

Step-by-step explanation:

cos(a) = √(1 -sin(a)²) = √(1 -(8/11)²) = √(57/121)

cos(a) = (√57)/11

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The original price would be $58.75
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Can someone tell me… Given the right triangle ABC, what is the value of tan(A)?
sergey [27]

Answer:

C

Step-by-step explanation:

tanA = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{24}{10} = \frac{12}{5} → C

6 0
3 years ago
What is the area of a square with a length of 5 inches?
OlgaM077 [116]

Answer:

25

Step-by-step explanation:

<em><u>Formula</u></em>

Generally the formula is written as Area = side * side which is

<em><u>Givens</u></em>

side = s = 5

<em><u>Solution</u></em>

Area = 5 * 5

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14=8+4y , what's y ?​
Sergio [31]

Answer:

1.5 is the answer

Step-by-step explanation:

7 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%.

<h3 />

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

#SPJ1

7 0
2 years ago
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