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fredd [130]
4 years ago
10

Jimmy takes 5 hours to clean a bus. It takes Mase 3 hours to clean the same bus. If they work together to clean a bus, how long

will it take?
Mathematics
2 answers:
Wittaler [7]4 years ago
5 0
Thinking 2 hours. Let me know. My bad I thinking to fast.
butalik [34]4 years ago
3 0

Jimmy = 5 hours to clean the bus

Mase = 3 hours to clean the bus

-

Jimmy and Mase = (5x3)/(5+3) = 1 7/8 hours

-

Answer: They will take 1 7/8 hours to clean the bus together.

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What is the irrational number in This set: 12.89, square root of 12 and 12/144 ?
kifflom [539]
Good night, 

<span>Irrational numbers are those that can't be expressed as a fraction:

12.89 can be expressed as: </span>\frac{1289}{100}

\frac{12}{144}= \frac{1}{12}

<span>The above numbers can be expressed as a fraction, then the logical answer is: </span>\sqrt{12}

But we will check the answer: 

\sqrt{12}= \sqrt{2^{2}*3 }  =2* \sqrt{3} =3.4641016...

As you can see we can't express that number as a fraction, so that is te correct answer.

6 0
4 years ago
A machine fills bags with sweets.
DIA [1.3K]

Answer:

19

Step-by-step explanation:

maximum no. of bag filled by 4275 sweets,is

4275/28 ~=152

therefore , there is 4256 sweets in 152 bags

therefore,4275-4256=19 sweets are left

6 0
3 years ago
A circle has a circumference of 34 54 cm. What is the area of the circle to the nearest whole centimeter? Use 3.14
inysia [295]

Answer:

<h2>9498.5 m</h2>

Step-by-step explanation:

We know that the Circumference = 3454 cm

And we also know that the formula for the Circumference of Circle is,

2\pi \times r

So we can put the equation this way,

3454 = 2\pi \times r

So we can solve for 'r'

3454 = 2 \times 3.14 \times r \\ 3454 = 6.28r \\ r   =   \frac{3454}{6.28}  \\ r = 550

Now we have radius and we can solve for the area of the circle,

\pi \times  {r}^{2}

3.14 \times 550 \times 550  \\  = 949850

We can convert this to meter,

9498.5 m

I am not sure if this is correct just let me know thanks :)

8 0
3 years ago
Help me pls new one s
Anit [1.1K]

Answer:

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8 0
4 years ago
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A radio station wants to determine whether its audience would like to listen to more rap music. It asks its listeners to call in
Afina-wow [57]

A radio station made a survey of their listeners to determine whether the audience would like to listen to more rap music. They asked the question “Do you want us to play more rap music or less rap music?” The station recorded one hundred fifty listeners who call in.

<span>The focus of the study is about the playing of the rap music because it is what the question is about. Not the type of music listeners want to hear, nor the number of listeners who respond nor the response of listeners.

</span>
7 0
3 years ago
Read 2 more answers
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