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Arlecino [84]
3 years ago
13

Please explain number 10 in a step by step process.

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
3 0

Good evening ,

______________

Answer:

a=3

___________________

Step-by-step explanation:

Look at the photo below for the answer.

:)

makvit [3.9K]3 years ago
3 0

Answer:

a=3

Step-by-step explanation:

amswer is shown and picture

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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:

brainly.com/question/1543891

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3 0
10 months ago
Lily just paid off a $400 loan. She had to pay $60 in interest at a simple annual interest rate of 5%. How many years did Lily h
SCORPION-xisa [38]

Answer:

I=prt,,60=400*0.05t,,t=3 ..................

this is what i got i hope it is use full to you <3

Step-by-step explanation:

4 0
3 years ago
What is 1 + 1????????? ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ
jekas [21]

Answer:

1+1=2

Step-by-step explanation:

If you have one cookie and add another cookie that's your second cookie.

6 0
2 years ago
For the equation y=7x-2, what is the rate of change? What does it mean? It is a linear function where the rate of change is the
podryga [215]
The rate of change would be 7. you would plot your first point on the graph at (-2,0) and the next one would be up 7 and over 1 for your next plot point.
4 0
3 years ago
For a track meet, Tara ran the 1,600 m event at constant speed in 5 minutes and 20 seconds. What was her speed?
9966 [12]

Answer:

300 m/min

Step-by-step explanation:

Using the general formula of d = rt, where d = distance, r = rate and t = time, we can solve for the missing variable (r, or speed). Given Tara's distance of 1600 m and her total time of 5 minutes and 20 seconds, first convert her time into just minutes:

5 \frac{20}{60}=\frac{1}{3}

5\frac{1}{3}=\frac{16}{3}

1600 = r(16/3)

Multiply both sides by reciprocal of 16/3:  3/16(1600) = r(16/3)(3/16)

Solve for 'r': 300 meters per minute

4 0
3 years ago
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