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MissTica
3 years ago
6

Please help me on this.

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
8 0

Answer:

first one: function

second one: not a function

third one: not a function

fourth one: not a function

Step-by-step explanation:

it is never a function if two of the x inputs are the same or if one x input has two y outputs..

<em>Hope this helps!! Pls mark me brainliest!!</em>

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Please help, I will give Brainliest to whoever answers! &lt;3
Rufina [12.5K]

Answer:

the answer is c i did the test

Step-by-step explanation:

pls i did the test trust me.

7 0
3 years ago
Read 2 more answers
How can you tell before dividing taht the first digit of the quotient 2,874 divided by 3 is in the hundreds place?
torisob [31]
When you divide, you're doing the oposite of multiplication. To know that your partical answer is going to be in the hundreds place is you follow the pattern.
2874/3=958
you take the 3 and you divide it by the last two didits of the number given (28) and that'll get you into your hundreds place.
Hope this helped! :-)
5 0
3 years ago
Order for least to greatest 1.2, 0.12, 12, 0.012
mote1985 [20]

Answer:

is this helpful

Step-by-step explanation:

0.012,0.12,1.2,12

6 0
3 years ago
Read 2 more answers
A motorboat can maintain a constant speed of 15 miles per hour relative to the water. The boat makes trip upstream to a certain
Ira Lisetskai [31]

Answer:

The speed of the current is 2 miles per hours

Step-by-step explanation:

Given as :

The speed of motorboat = x = 15 miles per hour

The time taken by motorboat trip upstream = 51 minutes

The time taken by motorboat trip downstream = 39 minutes

Let The speed of the current = y miles per hour

Let The total distance cover = A miles

So ,

Speed = \dfrac{\textrm Distance}{\textrm Time}

So, x - y = \dfrac{A}{51}

I.e  15 - y =  \dfrac{A}{51}

And x + y = \dfrac{A}{39}

I.e  15 + y = \dfrac{A}{39}

\dfrac{x-y}{x+y} = \dfrac{39}{51}

I.e \dfrac{x-y}{x+y} = \dfrac{13}{17}

Or, 17 × (x - y) = 13 × (x + y)

Or, 17 x - 17 y = 13 x + 13 y

Or, 17 x - 13 x = 13 y + 17 y

Or, 4 x = 30 y

Now, ∵ x = 15 miles per hour

So, 4 × 15 = 30 y

Or, y =  \dfrac{60}{30}

∴   y = 2 miles per hour

Hence The speed of the current is 2 miles per hours   Answer

8 0
3 years ago
Can someonee help asapppp tysmmm &lt;3333
SCORPION-xisa [38]

Answer:

Tens.

Step-by-step explanation:

Tens is the first place after the decimal.

4 0
2 years ago
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