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lara31 [8.8K]
3 years ago
14

What is the check digit, d, for the UPC bar

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0

Answer:c

Step-by-step explanation:

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A sound wave travels through iron at a rate of 5120\,\dfrac{\text{m}}{\text{s}}5120
Jet001 [13]

The rate at which the sound travels in km/hr is 0.142km/hr

<h3>Conversion of m/s to km/hr</h3>

If a sound wave travels with a speed of 5120m/s, in order to convert to km/he, we will use the conversion factor below;

1hr = 3600secs

1km = 1000m

Using the conversion factor in our dimensional analysis

5120m/s = 5120m/1s * 1km/1000m * 3600s/1hr

5120m/s  = 5120m/3600000

5120m/s = 0.142km/hr

Hence the rate at which the sound travels in km/hr is 0.142km/hr

learn more on dimensional analysis here: brainly.com/question/21510595

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6 0
1 year ago
The price of a technology stock has dropped to $9.79 yesterday. Today. the price fell to $9.68. Find the percentage decrease.
Citrus2011 [14]
The answer is 1.12% decrease
Explanation in image

4 0
3 years ago
Someone please help!
igomit [66]

Answer:

-11/12 make sure you press the negative

8 0
3 years ago
What is 6/7 as a decimal
Klio2033 [76]
0.86 if it is rounded.
7 0
3 years ago
Read 2 more answers
Write the point-slope form of the equation of the line that passes through the points (6, -9) and (7, 1). Include your work in y
lys-0071 [83]
First find the slope, 
m=(y2-y1)/(x2-x1)=(1-(-9))/(7-6)=10
Next, use the point slope form to find the equation:
L : y-y1=m(x-x1) => y-1=10(x-7) 
    [in point slope form, point is (7,1), slope=m=10 ]


5 0
3 years ago
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