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UNO [17]
4 years ago
12

Evaluate 0.1 m + 8 - 12 n when m = 30 and n = 1 /4

Mathematics
1 answer:
Advocard [28]4 years ago
3 0

Answer:

8

Step-by-step explanation:

0.1m + 8 - 12n \\ 0.1 \times 30 + 8 - 12 \times  \frac{1}{4}  \\  = 3 + 8 - 3 \\  = 8

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An albatross can fly 400 kilometers in 8 hours at a constant speed using d as distance and t as number of hours. An equation tha
kow [346]

Answer:

Constant of Proportionality is 50.  

Step-by-step explanation:

Albatross can fly 400 kilometers in 8 hours.

'd' represents the distance and 't' represents the number of hours.

The equation d=50t represents the relationship between the distance and time.

Now, in the equation shown above 50 is the constant of proportionality, and 50 represents the rate of change of distance with time.

The constant of proportionality tells us the rate of change between two variables.

So for every 1 hour of time the distance covered is 50 kilometers.  

 

4 0
4 years ago
Five number have amean of 12,when one number is removed, the mean becomes 11,what is the removed number
Ugo [173]

Answer:

The removed number is 16

Step-by-step explanation:

Five numbers have a mean of 12.

Now;

Mean = Σx/x

Thus; Σx = 12 × 5 = 60

Now,we are told that if one number is removed, the mean is 11.

Thus;

(60 - x)/4 = 11

60 - x = (11 × 4)

60 - x = 44

x = 60 - 44

x = 16

Thus,the removed number is 16

5 0
3 years ago
Solve: X/4=6 Can you please assist?
VLD [36.1K]

Answer:

x = 24

Step-by-step explanation:

In order to solve for x, you need to isolate it on one side of the equal sign. So in this case you need to multiply both sides by 4, in order to cancel the dividing factor 4 that appears in the denominator :

\frac{x}{4} =6\\4\,*\,\frac{x}{4} =6\,*\,4\\x = 24

4 0
4 years ago
Read 2 more answers
I need some help, please
shtirl [24]

Answer:

0

I hope this helps!

5 0
3 years ago
Examine the following table, which defines the relationship y= f(x). Then, answer the question.
erastova [34]
The slope of the function is most positive either side of x=0 and x=2π.

On the interval [0, π/4], the average slope is \dfrac{(\frac{\sqrt{2}}{2})}{(\frac{\pi}{4})} = \dfrac{2\sqrt{2}}{\pi}

On the interval [7π/4, 9π/4], the average slope is \dfrac{(\frac{\sqrt{2}}{2}-\frac{-\sqrt{2}}{2})}{(\frac{9\pi}{4}-\frac{7\pi}{4})}=\dfrac{2\sqrt{2}}{\pi}


The average rate of change is highest on the intervals [0, π/4] and [7π/4, 9π/4].
4 0
3 years ago
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