I WILL MARK BRAINLIEST

Mathematics

1 answer:

julia-pushkina [17]2 years ago

5 0

Answer:

2/12 if the spinner has 6 chooses. I think sorry if I'm wrong

Step-by-step explanation:

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Hip hop music makes up 75% of Landon's music library. If he has downloaded 120 hip hop songs, how many songs does Landon have in

Otrada [13]

Answer: 160 songs.

Step-by-step explanation:

75% hip hop music - 120 songs

100% all music - x songs

Let's write the proportion:

$\dfrac{120}{75} =\dfrac{x}{100} \\\\75x=120 \cdot 100\\75x=12000\\75x : 75 = 12000 : 75\\x = 160$

Thus, Landon have 160 songs in his music library.

4 0

2 years ago

It took two people to complete carpeting in 10 days. How many more workers need to be hired to complete the same job in 4 days?

IRISSAK [1]

so two fellows did all the carpeting in 10 days.

now, how long did "1" fellow work only? well, it worked for 10 days.

how long did the other fellow work for? well, it was working alongside the first one, and it was there for also 10 days.

so the two guys working together, really did 10+10 = 20 "days worth of work". So that the whole carpeting job can be done in 20 "days worth of work".

now if we want to finish it in 4 days, 20 ÷ 4 = 5.

so if we hire 5 guys, since each one will do 4 days worth, 5*4 = 20 <- the whole job.

4 0

3 years ago

Read 2 more answers

What is 50/6 as a mixed number

Mice21 [21]

50/6 as a mixed number is 8 2/6 which equals 8 1/3

7 0

3 years ago

Read 2 more answers

How do you find the parameterization of a helix?

Marina CMI [18]

Answer:

$\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.$

Step-by-step explanation:

A helix is a curve for which the tangent makes a constant angle with a fixed line. The shortest path between two points on a cylinder (one not directly above the other) is a fractional turn of a helix, as can be seen by cutting the cylinder along one of its sides, flattening it out, and noting that a straight line connecting the points becomes helical upon re-wrapping (see attached diagram for helix).

The parametrization for the helix is

$\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.,$