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Neporo4naja [7]
3 years ago
15

PLZ HELP FAST

Mathematics
2 answers:
V125BC [204]3 years ago
7 0

First, every time when you ask question like this about function you must give elements of the initial set.

Definition of the function is - Every element of the starting set (domain- x)

must be related to only one element of the second set ( codomain-range-y).

In your case you have element (coordinate) x=3 which is in the relation with two elements (coordinates) y=2 and y=5 and that is relation but not function.

Good luck!!!

yawa3891 [41]3 years ago
6 0

The answer to your question is,

No. It is not a function. Reasoning behind this is because there are repeating numerators. You can NOT have two of the same numerator as that will not form correctly if graphed. Two threes.

-Mabel <3

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The ratio of destroyers to battleships in the navy is 20:15. If the total number of boats is 105, how many battleships are there
Elina [12.6K]

Answer:

45

Step-by-step explanation:

20:15 the ratio can be turned to a fraction

20/15

simplify

4/3

so now add the numerator and the denominator and get 7

then do 105/7=15

and then you do

4x15=60 (Destroyers)

3x15=45 (Battleships)

45 is your answer

7 0
3 years ago
Please please please help!! i’ll mark the brainliest and give 15 points!!!!
Korolek [52]

9514 1404 393

Answer:

  -108

Step-by-step explanation:

About the easiest way to do this for small values of n is to compute each of the terms using the given recurrence relation.

  a_1=4\\\\a_2=-3a_1=-3(4)=-12\\\\a_3=-3a_2=-3(-12)=36\\\\a_4=-3a_3=-3(36)=-108\\\\\boxed{a_4=-108}

_____

<em>Alternate solution</em>

You recognize that the recurrence relation describes a geometric sequence with a first term of 4 and a common ratio of -3. The n-th term of a geometric sequence is ...

  a_n=a_1\cdot r^{n-1} \qquad\text{for first term $a_1$ and common ratio $r$}

Then the 4th term will be ...

  a_4=4\cdot(-3)^{4-1}=4\cdot(-27)=-108

3 0
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EDIT: Note that the definition of objective is not influenced by opinions or beliefs, as opposed to subjective.
5 0
3 years ago
Read 2 more answers
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