3 years ago

To which subsets of real numbers does the number 34 belong?

Mathematics

1 answer:

Genrish500 [490]3 years ago

3 0

Integers whole numbers and natural number

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Ignore the circled one and actually try please

scoray [572]

Answer:

Step-by-step explanation:

= 2x5−8x4 /(6x3+30x2)

= 2x3−8x2 /(6x+30 )

= x3−4x2 /(3x+15)

4 0

3 years ago

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Keiko is mixing 4 cups of concrete to make a stepping stone. She needs 1.5 cups of sand and 2.5 cups of cement mix. Which statem

Charra [1.4K]

Ur answer would be B.. Hope it helps let me know if its right or not!

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3 years ago

What would it be??????

igor_vitrenko [27]

-15 + (7-3) =

-15 + 4 =

-11

6 0

4 years ago

What would be the answer

Bogdan [553]

Answer: A.)

Step-by-step explanation:

6 0

4 years ago

Three workers have to do a certain job. The first worker can finish the job in 8 hours. The second worker can finish the job in

mestny [16]

Working together three workers would take 1 hour 36 minutes to finish the job

Solution:

Given that first worker can finish the job in 8 hours

So in one hour, first worker can do $\frac{1}{8}$ th of the work

The second worker can finish the job in 4 hours

So in one hour, second worker can do $\frac{1}{4}$ th of the work

The third worker can also finish the job in 4 hours

So in one hour, third worker can do $\frac{1}{4}$ th of the work

The three workers working together in 1 hour can do:

$\frac{1}{8} + \frac{1}{4} + \frac{1}{4} = \frac{1 + 2 + 2}{8} = \frac{5}{8}$

The three worker can thus do $\frac{5}{8}$ th of the work in one hour

Hence the three of them together can finish the work in $\frac{8}{5}$ hours

$\frac{8}{5} = 1\frac{3}{5}$ hours

Thus working together three workers would take 1 hour 36 minutes to finish the job

8 0

3 years ago