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marta [7]
3 years ago
11

C is 8 more than half of n

Mathematics
2 answers:
Travka [436]3 years ago
8 0
C+8=1/2n should be your answer

zhenek [66]3 years ago
4 0
C=1/2n+8 would be the answer
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Nancy wants to make a graph to show the relationship between the temperature of water, in degrees Celsius, and the time, in minu
Reika [66]

Answer:

the second paragraph describes better the graph

Step-by-step explanation:

First of all, the rank of the scale is too big for the graph. Water boiles at 100°C so extend it till the 200°C is unnecessary.

The  y-axis scale is wrong because the celcius degree component of the graph´s points have a value within 50 and 90. Considering that one point of the graph´s scale is equal to 50°C, the hole set of points will be drawn between two point of the graph´s scale.

The x-scale is correct because the minutes of the points have a value within 0 and 4. The scale separates well the points and the rank is appropiate for the datums

5 0
3 years ago
About what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?
Svetach [21]
We should do the whole math calculation, but for ease, we know that the percentage contained within 2 std deviations of a normal distribution is:
= 2(13.6) + 2(34.1)
= 95.4%
7 0
3 years ago
In a kitchen there are four containers that can hold different quantities of water, as shown in the figure below: Four container
Andrew [12]
Total capacity (in litres)
=(x-2) + (x) + (x+2) + (x+4)   group like terms
=4x-2+0+2+4
=4x+4 L.
3 0
3 years ago
Read 2 more answers
Explain the steps <br><br> 3(2y + 5) = -21
Vera_Pavlovna [14]

Answer:

-6

Step-by-step explanation:

3(2y+5)=-21

2y+5=-21/3

2y+5=-7

2y=-7-5

2y=-12

y=-12/2

y=-6

7 0
3 years ago
130% of what is 82.1? (Please show work!)
beks73 [17]
The answer is:  63.1538461538461538 ;  (round to: 63.154) .
_____________________________________________________
130/100  * n = 82.1  ;  Solve for "n" ;
<span>_________________________________________
</span>(1.3) n = 82.1 ; 

n = 82.1 / 1.3 ;

n = 82.1 / 1.3 =   63.1538461538461538  ;  round to 63.154 .
_________________________________________________
3 0
3 years ago
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