What is 29.9999999997 as a fraction?

Answers

Answer 1
Answer:

299999999997/10000000000



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Please help please help

Megan start studying at 10 minutes past 4 and finish at 5:49 how long did she study for explain how you found your answer

Answers

if Megan starts studying at 4:10 and finishes at 5:49 then she studied for 99 minutes. I got this answer by finding how many minutes were between 4:10 and 5:00 and between 5:00 and 5:49 which was 50 minutes and 49 minutes. I then added the 2 numbers together and got a total of 99 minutes. which can also be calculated into 1 hour and 39 minutes
Start:            04:10                Stop:  05:49

05   :  49
-
04   :   10
_________
01   :    39
_________

Simply subtract. 9 - 0 = 9.   4 -1 = 3.    5 - 4 = 1.   0 - 0 =0  

She studied for 1 hour  39 minutes.

What is the solution set of the following equation? 4x 2 - 25 = 0 {±} {±} {±5}

Answers

Answer:

\large\boxed{x=\pm(5)/(2)}

Step-by-step explanation:

4x^2-25=0\qquad\text{add 25 to both sides}\n\n4x^2=25\qquad\text{divide both sides by 4}\n\nx^2=(25)/(4)\to x=\pm\sqrt{(25)/(4)}\n\nx=\pm(√(25))/(\sqrt4)\n\nx=-(5)/(2)\ \vee\ x=(5)/(2)

Final answer:

The solution set of the equation 4x² - 25 = 0 is {±2.5}.

Explanation:

The given equation is a quadratic equation of the form ax² + bx + c = 0, where a = 4, b = 0, and c = -25. To find the solution set, we can use the quadratic formula:

x = (-b ± √(b² - 4ac)) / (2a)

Plugging in the values, we have:

x = (-0 ± √(0² - 4(4)(-25))) / (2(4))

Simplifying further, we have:

x = (±√(0 + 400)) / 8

x = ±√(400) / 8

x = ±20 / 8

Hence, the solution set of the equation is {±2.5}.

Learn more about Quadratic equations here:

brainly.com/question/30098550

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Answer to the problem 3/8r=15/16

Answers

your answer would be r=5/2

If you want me to explain how i got that then tell me on my profile

What is greater 1\3 or 30%?

Answers

To compare we can tranfrom 30% info fraction
30%=(30)/(100)= (3)/(10)  = (3*3)/(10*3) = (9)/(30)
(1)/(3)= (1*10)/(3*10)= (10)/(30)
Now we can compare
(9)/(10)< (10)/(30)
So 1/3 is greater than 30%./
1/3 is greater because 1/3 equals 33.3333333333 and 30% is 30%. So therefore 1/3 is greater than 30%.

Which of the following expressions represents "The product of 9 and a number, diminished by 7"?a)9n - 7

b)9n · 7

c)9(n + 7)

Answers

Answer:

a) 9n-7

Step-by-step explanation:

Let the unknown number be represented by placeholder n.

Then the product of 9 and the number is represented by 9*n or 9n.

This value diminished by 7 corresponds to 9n - 7.

So the expression representing the required overall construct mathematically is given by 9n-7

Option b, 9n * 7 represents the product of 9n and 7.

Option c, 9(n+7) represents the product of 9 and (n incremented by 7).

a)9n - 7

B show product of 9 and a number multiplied by a number
C shows the product of number plus 7 and 9

the total weight of the medals won by the top medal-winning nations in the 2012 London Olympic Games.

Answers

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