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White raven [17]
4 years ago
10

What are the rate of changes for

Mathematics
1 answer:
astraxan [27]4 years ago
3 0
<span>39 & 16.5 = -22.5
30 & 12.4 = -17.6
28 & 10.4 = -17.6
19 & 10.3 = -8.7
23 & 11.2 = -11.8
if the values are y values you will subtract them from each other to get the numerical value and because they all go from a larger number to a smaller number the rate is a negative. if they were from a smaller value to a larger value teh rates of change would be positive.
</span>
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Can someone help me with this question please and thank you
LenaWriter [7]

Answer:

The complete table will be:

x        y

1        5

0.8    4

0.4    2

Step-by-step explanation:

Given rule is:

y = 5x

In the given rule, x is multiplied by 5 to get the values of y. The same rule can be manipulated to find the value of x in terms of y.

\frac{y}{5} = \frac{5x}{5}\\x = \frac{y}{5}

Putting y = 5

x = \frac{y}{5}\\x = \frac{5}{5}\\x = 1

Putting y = 4

x = \frac{y}{5}\\x = \frac{4}{5}\\x = 0.8

Putting y = 2

x = \frac{2}{5}\\x = 0.4

Hence,

The complete table will be:

x        y

1        5

0.8    4

0.4    2

3 0
3 years ago
A horse race has 13 entries. Assuming that there are no ties, what is the probability that the four horses owned by one person f
Olin [163]
Well, there are 13 places that each horse can place. That means the first place has 13 options, second place has 12 options, third place has 11 options, etc. Though, we only care up to fourth place. When doing probability, we're multiplying in this case. So, here's the process:

How many ways all the horses can place = 13! = 6227020800
How many ways the first four places can place = 13*12*11*10 = 17160

Divide the second by the first and multiply by 100 for the probability as a percent:

(17160/6227020800)*100% ≈ <span>0.00027557319%
</span>
5 0
3 years ago
Read 2 more answers
Use the equation to answer the question . x + 9 + 2x = 3x + 11 How many solutions does the equation have? ОА. Ano solutions O so
EastWind [94]

Answer:

No solution

Step-by-step explanation:

Add x and 2x.

3x+9=3x+11

Move all terms containing x to the left side of the equation.

Subtract 3x from both sides of the equation.

3x+9−3x=11

Combine the opposite terms in

3x+9−3x.

Subtract 3x from 3x.

0+9=11

Add 0 and 9.

9=11

Since 9≠11, there are no solutions.

<h3>Hope it is helpful....</h3>
7 0
3 years ago
How many 5ps are equals in value to twenty five 2ps
Hatshy [7]

Answer:

Step-by-step explanation:

5x5=25 so if u do 2x = it'll be 2x12=24 so thats the closetest thing u could do or i know hope it helps

3 0
3 years ago
Read 2 more answers
Bert uses a map to find his way around a state park. The map has a scale of 1 inch = 0.75 miles. He follows a path 6.75 miles fr
boyakko [2]

Answer:

9 inches

Step-by-step explanation:

6.75/.75 = 9 inches

4 0
3 years ago
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