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SSSSS [86.1K]
3 years ago
7

Look at pic DUE AT 4:00 HELPPP

Mathematics
1 answer:
liraira [26]3 years ago
7 0

Answer:

The first is not equivalent, second is.

Step-by-step explanation:

2x-3.9x+7.5=5.9x+7.5

The first is not equivalent, second is.

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A car travels 360 miles in a period of 180 minutes. Find the average velocity of the car in miles per hour over this time period
Serggg [28]
The simple formula for velocity is v=d/t.  Velocity equals distance divided by time.  360 miles divided by 180 minutes.  360/180=2.  The car travels at 2 miles per MINUTE.

Now, to change to miles per HOUR.  There are 60 minutes in an hour, so 2*60=120 miles per hour.

Answer: 120 mph
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4 years ago
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the sum of three consecutive integers is three times the second integer. show that this is true for the three consecutive intege
sdas [7]

Step-by-step explanation:

7+8+9=24

second integer is 8 so 8*3=24

3 0
3 years ago
A multiple-choice question on an economics quiz contains 10 questions with five possible answers each. compute the probability o
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10C9 * (1/5)^9 * (4/5)^1 = 4.096*10^-6

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8 0
3 years ago
the relationship between the relative size of an earthquake, S, and the measure of the earthquake on the Richter scale, R, is gi
omeli [17]

Answer:

Relative Size, S, is 1584.89


Step-by-step explanation:

The equation is R=log_{10}(S)

Where,

  • R is the measurement in Richter Scale
  • S is the relative size of the earthquare

<u>It is given that in Richter Scale, an earthquake measured 3.2, so R=3.2.</u>

<em>They want to know relative size, S, so we put given information in equation and solve for S:</em>

R=log_{10}(S)\\3.2=log_{10}(S)

<em>Converting to exponential form, we have:</em>

3.2=log_{10}(S)\\S=10^{3.2}\\S=1584.8932

<em>Rounding to nearest hundredth, we have:</em>

S=1584.89

8 0
3 years ago
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Sati [7]
The answer to your question is d 354
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3 years ago
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