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3 years ago

Determine the solution set of (x-3)^2=49

Mathematics

1 answer:

marshall27 [118]3 years ago

5 0

Root both sides to get x-3= plus or minus 7
Add three to both sides to determine the two answers.
x= 10 and -4

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For every 15 minutes of a show, there are two minutes to commercial. At this rate, if leila has seen 45 minutes of a show, how m

Ainat [17]

Answer:

51 minutes.

Step-by-step explanation:

We have been given that for every 15 minutes of a show, there are two minutes to commercial. At this rate, Leila has seen 45 minutes of a show. We are asked to find the time for which Leila has been watching TV.

We will use proportions to solve our given problem.

$\frac{\text{Minutes of TV show + Advertisement}}{\text{Minutes of TV show}}=\frac{15+2}{15}$

$\frac{\text{Minutes of TV show + Advertisement}}{\text{Minutes of TV show}}=\frac{17}{15}$

Upon substituting our given values, we will get:

$\frac{\text{Minutes of TV show + Advertisement}}{45}=\frac{17}{15}$

$\frac{\text{Minutes of TV show + Advertisement}}{45}\times 45=\frac{17}{15}\times 45$

$\text{Minutes of TV show + Advertisement}=\frac{17}{1}\times 3$

$\text{Minutes of TV show + Advertisement}=51$

Therefore, Leila has been watching TV together for 51 minutes.

8 0

3 years ago

Can u solve this for me

Studentka2010 [4]

X^2 + 4x + 16 is the answer

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3 years ago

If y varies directly as the square of x and y =12 when x=2 find the value of x when y = 108

telo118 [61]

y = 3(x^2)

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36 = x^2

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Linda has already written 37 pages and she writes 8 pages per hour. Let P be the total pages written and h the number of hours s

Klio2033 [76]

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Step-by-step explanation:

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2 years ago

Jeremy subtracted the following rational expressions. His teacher told him that his answer was incorrect. Explain Jeremy's error

kkurt [141]

Since this is a subtraction problem, Jeremy needed to distribute the negative to the terms in the numerator. Jeremy only distributed it to the x2-term, and not to 15. Instead, he kept the 15 positive. When he combined like terms, he got a result of 5 for the constants. The correct result is x + 5.

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3 years ago

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