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guajiro [1.7K]
3 years ago
9

PLZ help 10points!!!!

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0

Her answer is [email protected] x c

kumpel [21]3 years ago
5 0
Her answer will be be as she needs to buy more than one can
For example if I want to buy sweets which are 20p each and need 5 I will have to pay £1 because 20x5=100
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I need to find Domain and Range but how do I know when to use brackets or parentheses
german

Answer:

  • Square brackets [ or ] are used when the end point is included.
  • Parentheses ( or ) are used when the end point is not included.

Step-by-step explanation:

The domain is the horizontal extent of the graph. Here, it is from -2 to +3, with -2 included in the domain and +3 not included.

As an inequality, the domain is written ...

  -2 ≤ x < 3

In interval notation, we use a square bracket for the "or equal to" case:

  [-2, 3)

__

The range is the vertical extent of the function. Here, the range extends from -4 (not included) to +5 (included).

As an inequality, the range is written ...

  -4 < y ≤ 5

In interval notation, the range is written using a square bracket for the "or equal to" case:

  (-4, 5]

_____

<em>Comment on infinity</em>

There is no such thing as "equal to infinity" so an infinite limit is always represented in interval notation using a parenthesis.

3 0
3 years ago
In the year 2000,there were 8.7 deaths per 1000 reidents in the United States.If there were 281,421,906 residents in the U.S.dur
bekas [8.4K]
\frac{deaths}{residents} \: \frac{8.7}{1000} \: \frac{x}{281421906}
Find the "difference" between the residents but division.

281421906/1000 = 281421.906
You always have to do the same to the top
8.7×281421.906 = 2,448,370.5822

There were 2,448,370.5822 deaths

Tell me if it helps!!
7 0
3 years ago
the mass of a mineral is 9.6g the mineral is placed in a graduated cylinder containing 8.o mL of water. the water level rises to
Ray Of Light [21]

The volume of the mineral = increase in volume of the water whuich is 16 - 8 = 8mls.

Therefore the  mineral's density = 9.6 / 8

= 1.2 g/ ml   answer

6 0
3 years ago
Read 2 more answers
Pls heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp
VashaNatasha [74]
1.1

Hope this helps:)
3 0
3 years ago
Help with number 7 brainliest
marusya05 [52]

Answer:

B

Step-by-step explanation:

He's typing 40 words per minute.

110 words divided by 2.75 minutes.


40 x 4.25 minutes= 170


7 0
3 years ago
Read 2 more answers
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