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Alecsey [184]
3 years ago
15

What is unit ratio?

Mathematics
2 answers:
liraira [26]3 years ago
8 0
Any division of quality accept as standard of measure or exchange
Dafna11 [192]3 years ago
7 0

A unit rate is a ratio that has a denominator of 1. A unit rate is also called a unit ratio. (They mean the same thing.)


Hope this helps :)

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EXAMPLE problem: 9.1 divided by 3576 rounded to the nearest whole number
Svetradugi [14.3K]
We have to divide 9.1 by 3576:
9.1 : 3576 = 0.0025447427
And rounded to the nearest whole number:
0.0025447427 ≈ 0
8 0
3 years ago
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SOMEONE HELP ASAP!!
Anuta_ua [19.1K]

9514 1404 393

Answer:

  (c)  dZ/dt = 11/√544, so moving away at about 0.47 m/s

Step-by-step explanation:

The (x, y) coordinates of the car are related by the fact that they are on a circle centered at (12, 7) with a radius of 5. Then their rates of change are related by the derivative of the circle equation with respect to time.

  (x -12)^2 + (y -7)^2 = 25

  2(x -12)x' +2(y -7)y' = 0

  y' = -(x -12)/(y -7)x'

At the time and point of interest, we have ...

  y' = -(15 -12)/(11 -7)(1) = -3/4

__

The distance (z) to the observer is given by the Pythagorean theorem:

  z^2 = (x -0)^2 +(y -2)^2

and its rate of change with time is ...

  2z·z' = 2(x-0)x' +2(y -2)y'

The distance d at the point of interest is ...

  z = √((15 -0)^2 +(11 -2)^2) = √(225 +81) = √306 = 3√34

So, the rate of change of distance to the observer at the time and point of interest is ...

  z' = (x(x') +(y -2)y')/z

  z' = ((15)(1) +(11-2)(-3/4))/(3√34) = (33/4)/(3√34)

  z' = 11/√544 ≈ 0.47 . . . m/s

3 0
3 years ago
The daily expenses for each of a transportation service company’s trucks is given by the function d(x) = 15 + 0.5x, where d(x) i
Over [174]

For this case we have the following equation:

d (x) = 15 + 0.5x

Where, by definition, we have the following variables:

d (x): the daily expense per truck (in dollars)

x: the daily mileage

Therefore, the domain of the function is given by:

x> 0

Equivalently:

[0, ∞)

Answer:

The input for the function includes all positive real numbers

option d.

8 0
3 years ago
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The 15 students in Miss Brown's class took a test. The average for the class was 95 points. The maximum possible score was 100 p
dimulka [17.4K]

Answer:

25%

Step-by-step explanation:

5 0
2 years ago
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If three times a number is increased by 24, the result is 16 less than seven
Marta_Voda [28]

Answer:

3X+24=7X-4

3X-7X=-4-24

-4X=-28

X=-28/-4

X=7 ANS.

PROOF:

3*7+24=7*7-4

21+24=49-4

45=45

Step-by-step explanation:

6 0
3 years ago
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