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professor190 [17]
3 years ago
8

Please help please i have to get this done

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
7 0

Answer:

im not sure sure but by the looks of it i think thats 3,6

Step-by-step explanation:

Sliva [168]3 years ago
6 0

Answer:

slope of the given straight line in graph is -2

Step-by-step explanation:

<u>Explanation:</u>-

in given graph we have to choose points are A(0,3) on y-axis and B(1.5 , 0) on x- axis

let m be the slope of a line

by using slope formula is

m= \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

m = \frac{0-3}{1.5-0}

m= -2

<u>another points we have choose</u>

in given graph we have to choose points are A(0,3) on y-axis and B(2.5 , -2)

<u>slope of a line</u> :-

let m be the slope of a line

by using slope formula is

m= \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

m = \frac{-2-3}{2.5-0}

m= -2

where ever you will take point the slope of given straight line is

m = -2

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3 years ago
What answee is it?? :))))
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Step-by-step explanation:

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2 years ago
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nexus9112 [7]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
1. what would the effect have been on the calculated formula weight ([9] above) of your unknown as compared to the true formula
kramer

If the solution is blue-green, this indicates that some copper is still present in the solution and that not all of it has precipitated. Expect it to be too low because you will have less mass.

With very few exceptions, all copper(I) (cuprous) compounds are diamagnetic and colorless. Cu2O, Cu2Cl2, and cuprous sulfide are a few of the significant commercial compounds of copper(I) (Cu2S).

The molar mass of the element copper is determined by looking at its average atomic mass, which is 63.55 AMU on the periodic table. Since it is also our molar mass, we will now put it in a different unit: grams over moles (63.55 gmol). That is copper's molar mass.

If the solution is blue-green, there is still copper in the solution and not all of it has precipitated. Because you will have less bulk, anticipate it to be too low.

To know more about copper, refer to this link:

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3 0
1 year ago
6.4 ÷ 0.043<br><br> Round your answer to the nearest whole number.
lys-0071 [83]

Answer:

149

Step-by-step explanation:

6.4 ÷ 0.043

= 148.837209302

= 149 (rounded to the nearest whole number)

Hope this helped!

6 0
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