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3 years ago

10. Which is a subset of whole numbers? A rational B. irrational Creal D. natural

Mathematics

1 answer:

Nana76 [90]3 years ago

8 0

Answer:

The answer is D. Natural

Step-by-step explanation:

A subset, mathematically, means a category within another set. This can be shown from the picture below.

As you can see, the subset of whole numbers is, in fact, natural numbers.

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A beverage is made by mixing 1 part of water with 3 parts of fruit juice. How many parts of water are mixed with 1 part of fruit

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1/3

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3 years ago

Read 2 more answers

Which of the following is an equation of a line perpendicular to the equation

arlik [135]

B is the answer ma brutha

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2 years ago

the equation y= - 5.131x2+ 31.821x - 3.333 approximates the number of people standing in line to catch a commuter train x hours

ehidna [41]

We are given function: y= $- 5.131x^2+ 31.821x - 3.333$

Where, x is the number of hours after 5a.m.

We need to approximates the number of people standing in line to catch a commuter train at 7 a.m.

From 5 a.m. to 7 a.m. total number of hours = 7-5 = 2 hours.

So, we need to plug x=2 in the given function.

Plugging x=2 in $y=- 5.131x^2+ 31.821x - 3.333$ , we get

$y=- 5.131(2)^2+ 31.821(2) - 3.333$

Let us simplify it now.

2^2= 4.

Therefore,

$y=- 5.131(4)+ 31.821(2) - 3.333$

= -20.524 + 63.642 - 3.333.

= 39.785 or 40 approximately.

Therefore, the number of people in line at 7 a.m. is approximately 40 people.

Option D.40 is correct option.

3 0

3 years ago