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Valentin [98]
3 years ago
15

while digging in the background, you find an old coin. its mass is 26.76 g qnd its volume is 3cm3. what is the coin made of?

Mathematics
1 answer:
tresset_1 [31]3 years ago
4 0

Answer:

the coin is made of copper.

Step-by-step explanation:

.

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Use the following data and graph the best-fit quadratic curve. What is a good approximation for the value of c?
KIM [24]

Answer:

2) 3

Step-by-step explanation:

Graphing the best-fit quadratic curve for the data-set can be done using Ms. Excel Application.

The first basic step is to enter the data into any two adjacent columns of the excel workbook. Highlight the two columns where the values have been entered, click on the insert tab and then select the x,y scatter-plot feature. This will create an x,y scatter-plot for the data.

Next, click on the Add Chart Element feature and add a polynomial trend-line of order 2 which is basically a quadratic curve. Finally, check the display equation on chart box. This step will plot the quadratic curve as well as give the equation of the best-fit quadratic curve.

The attachment below shows the best-fit quadratic curve to the data-set and its corresponding equation.

A good approximation for the value of c from the equation is thus 3. This is simply the y-intercept of the curve. 3.21 is closer to 3.

5 0
3 years ago
One pound of gummy bears costs $2.20. How much does 1.6 pounds cost?
UNO [17]
$3.52
That's the right answer.
Your welcome


3 0
3 years ago
I need answers for those two questions please. ​
azamat

Answer:

Step-by-step explanation:

1.

sin R=15/39=0,3846

R≈23°

2.

tan 52°= 1,2799

3 0
3 years ago
Read 2 more answers
you donate 12 cans of food and 4 boxes of macaroni to a food drive. Write an expression to find how much you will earn in 6 week
kotegsom [21]

Answer:

58

Step-by-step explanation:

12×4=58

you welcome

4 0
3 years ago
Read 2 more answers
The local theater sells tickets to its plays at a rate of $38 each. Patrons who attend multiple shows are encouraged to buy an a
Ymorist [56]

Answer:

only Rodger

Step-by-step explanation:

Roger:

38*6=228

80+(20*6)=200

He will save 28 dollars with the membership

Grace:

38*4=152

80+(20*4)=160

Grace will pay 8 dollars more with the membership

3 0
3 years ago
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