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svlad2 [7]
3 years ago
13

lion le and Richie are listening to a song. They pause it two thirds of the way through. So far, that have listened to 150 secon

ds. How long is the song altogethe​
Mathematics
1 answer:
Digiron [165]3 years ago
4 0

Answer:

225 seconds

Step-by-step explanation:

150/(2/3) = 150(3/2) = 225

proof:

150 = 2/3

75 = 1/3

225 = whole

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Can 45/5 be simplified
EastWind [94]

45/5 Simplified

What is 45/5 Simplified? - 9/1 is the simplified fraction for 45/5. Simplify 45/5 to the simplest form. Online simplify fractions calculator to reduce 45/5 to the lowest terms quickly and easily.

Simplify 45/5

Fraction:  

 45

------

 5

45/5 Simplified

Answer:  

45/5 = 9/1 = 9  

Simplify 45/5

Simplify 45/5 reduces the fraction 45/5 to the lowest form. You can change the numerator or denominator to simplify any other fraction.

4 0
4 years ago
Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t
Ilia_Sergeevich [38]

Answer: 220

<u>Step-by-step explanation:</u>

Children (x): $2

Teens (y): $3, \frac{3}{4}x

Adults: (z): $5

Quantity: x + y + z = 570  ⇒  x + \frac{3}{4}x + z = 570  ⇒ 1.75x + z = 570  

Cost: 2x + 3y + 5z = 1950  ⇒  2x + 3(\frac{3}{4}x) + 5z = 1950  ⇒  2x + 2.25x + 5z = 1950  ⇒  4.25x + 5z = 1950

Qty:    1.75x +  z =  570  →  5(1.75x +  z =  570)  →    8.75x + 5z = 2850

Cost: 4.25x + 5z = 1950 → -1(4.25x + 5z = 1950 → <u> -4.25x - 5z</u> = <u>-1950 </u>

                                                                                  4.50x        =   900

                                                                                          x       =    200

Teens (y): \frac{3}{4}x

           y = \frac{3}{4}(200)

             = \frac{600}{4}

             = 150

Quantity: x + y + z = 570  

              200 + 150 + z = 570

                     350     + z = 570

                                    z = 220


6 0
3 years ago
Angle 1 is a complement of angle 2 and measure 2 equals 5 degrees find measure angle 1
ANTONII [103]

Angle one equals 85 because when an angle is a complement of another angle that means their degrees added together equal to 90 degrees. And so you just do 90-5=85 to get your answer.

3 0
3 years ago
Given f(x) = 2x - 2/4 the quantity of 2x minus 2 divided by 4, solve for f−1(3).
olga_2 [115]

The answer is that f-1(3) = 7.

In order to find the answer, we first must find the inverse function. The f-1 indicates that we are looking for an inverse. To find any inverse, we first must switch the x and f(x) values. We then solve for the new f(x), which gives us the inverse.

f(x) = (2x - 2)/4 ----> Switch x and f(x)

x = (2f(x) - 2)/4 -----> Multiply both sides by 4

4x = 2f(x) - 2 ----0-> Add 2 to both sides

4x + 2 = 2f(x) ------> Divide both sides by 2

f-1(x) = (4x + 2)/2

Now that we have the inverse function, we can put in 3 and find the answer.

f-1(x) = (4x + 2)/2

f-1(3) = (4(3) + 2)/2

f-1(3) = (12 + 2)/2

f-1(3) = (14)/2

f-1(3) = 7

4 0
4 years ago
How many weeks are in 5 years
Gnoma [55]
- -- There are 260.714 weeks total in 5 years.

But you can round by doing this:

52*5=260

This is because you have 52 weeks in a year and 55 years so you multiply.



6 0
3 years ago
Read 2 more answers
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