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3 years ago

Solve for x in the equation x2 - 12x+36 = 90.

Mathematics

1 answer:

cupoosta [38]3 years ago

5 0

Answer:

<u>The correct answer is A. x = 6 + 3 √10</u>

Step-by-step explanation:

Let's solve for x:

x² - 12x + 36 = 90

Factoring this quadratic equation, we have:

(x - 6) (x - 6) = 90

(x - 6)² = 90

x - 6 = √90 (Square root to both sides of the equation)

x = 6 + √90 (Adding 6 to both sides of the equation)

x = 6 + √9 * 10

x = 6 + √3² * 10

x = 6 + 3 √10

<u>The correct answer is A. x = 6 + 3 √10</u>

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Step-by-step explanation:

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2 years ago

Kimberly and Johannesburg are 460km/hour apart. A train covers the distance in 5 hours and 45 minutes. Determine the speed of th

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2 years ago

Maria bought 5 tickets for $20 each. Each ticket had a $2 fee. Write an expression that shows how much Maria paid for the ticket

Tanya [424]

The algebraic expression which shows how much Maria paid for the tickets including the additional fee is y = 20(5) + 2(5)

<h3>Algebraic expression to show how much Maria paid for the tickets</h3><h3 />

Number of tickets Maria bought = 5
Cost of each tickets = $20
Additional fee per tickets = $2

let

Total amount Maria paid for the tickets = y

Total amount Maria paid for the tickets = Cost of each tickets(Number of tickets Maria bought) + Additional fee per tickets(Number of tickets Maria bought)

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1 year ago

Difference between compounded annually, monthly and daily.

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2 years ago

Write 18 out of 100 as a fraction, as a percent, and as a decimal

raketka [301]

Answer:

Step-by-step explanation:

18/100

0.18

18%

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18/100

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Then, check to ensure that the fraction cannot not be reduced further. In this instance it cannot.

The answer is 18% can be written as the fraction 9/50 in simplest form.

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2 years ago

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