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Zina [86]
2 years ago
8

821,800 to the nearest hundred

Mathematics
2 answers:
astra-53 [7]2 years ago
6 0

Answer:

822,000

Step-by-step explanation:

vova2212 [387]2 years ago
3 0

Answer:821,800

Step-by-step explanation:

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Let ff be the function that assigns to each student in the class her biological mother.
hoa [83]

Answer:

a) There cannot be sibling in the class.

b) This larger function would have an inverse only if there are no siblings studying in the same school.

Step-by-step explanation:

The inverse of a function f is a function g that "reverses" f. In other words, if the function f is applied to an x and it gives a result of y, then applying the function g to y gives the result of x.  f(g(x)) = x.

For a function f to have an inverse, the function f has to give only one value y, when applied to an x.

a. In order for f to have an inverse, what condition must be true about students in the class?

So now, we have that f assigns each student in the class her biological mother.

Therefore, the set of X formed by the students in the class

And Y refers to their biological mother.

If we want f to have an inverse, then each mother should be assigned to only one student.

This means that the condition that must be true is that there cannot be brothers/sisters in the same class (for example, twins).

b.  If we enlarged the domain to include all students in the school, would this larger domain function have an inverse.

Applying the same thinking, for f to have an inverse, every mom should be assigned to only one student.

Therefore, for this larger domain, there shouldn't be brothers/sisters studying in the same school.  

8 0
3 years ago
The volume of a cube-shaped box is 27^5 cubic millimeters. What's the length of one side of the cube-shaped box?
Vinil7 [7]
5^10 hope this helps have a good day
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Mrs. Rogers sold 49 out of 78 crafts at the fair. What percent of her crafts did she sell? Show your
igor_vitrenko [27]

Answer:

62.8, 63% if you around it off.

Step-by-step explanation: Do 49 Divided by 78, then times it by 100 to get your percentage. I just rounded it off to the nearest tenth and whole number just in case. Hope this helped!

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The house keeping staff
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In general, housekeeping departments are in charge of keeping buildings clean. They sweep, mop, dust, vacuum and clean the bathrooms. They also clean windows and public areas, and often remove trash and deposit it in the building's dumpsters.

Hope this helps :)

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