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gayaneshka [121]
3 years ago
13

Which of the following is the perimeter of a square with a side of 9 cm?

Mathematics
1 answer:
zubka84 [21]3 years ago
5 0
The answer to this question is 36cm.
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PLEASE HELP!!!
lana [24]

EXPLANATION: By definition two lines are said to be parallel when the distance between two lines is same when measured from any point on one line.

However the criteria for intersection is that the distance between two lines should change and eventually should change to zero at intersection point.


Step-by-step explanation:

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4 0
2 years ago
My brothers and sisters i need help asap please
Otrada [13]

Answer:

Step-by-step explanation:

I think it is D but I am not sure

4 0
2 years ago
an assembly line worker at Rob's Bicycle factory adds a seat to a bicycle at the rate of 2 seats in 11 minutes. Write a proporti
LuckyWell [14K]
Rate = 2 seats/11 minutes = 2/11  seats/min

Therefore the time required for s seats is
(m \, min) =  \frac{s \, seats}{ \frac{2}{11} \,  \frac{seats}{min} } =  \frac{11s}{2} \, min
That is,
m = (11s)/2 min

When s = 16, obtain
m =  \frac{11(16)}{2} = 88 \, min

When s = 19, obtain
m =  \frac{11(19)}{2} = 104.5 \, min

Answers:
m = \frac{11s}{2}
When s = 16, m = 88 min
When s = 19,  m = 104.5 min


3 0
3 years ago
Two students Are reading a novel Ashley read 10 pages per day Carly reads eight pages per day but she starts early and is alread
iren [92.7K]

Answer:

  • P = 10D
  • P = 8D +40

Step-by-step explanation:

Ashley's page count is ...

  P = 10D

Carly's page count is ...

  P = 8D +40

_____

The page count is the product of the pages per day and the number of days. Since Carly started with a page count of 40, that is added to the product.

4 0
3 years ago
If f(x)= x^1/2 - x and g(x)= 2x^3 - x^1/2 - x, find f(x) - g(x)
Pavlova-9 [17]

Answer:

-2x^3+2x^{1/2}

Step-by-step explanation:

First, you have to substitute both functions into the equation to get:

f(x)-g(x) = (x^{1/2}-x) - (2x^3-x^{1/2}-x)

Then, you distribute the negative sign in front of g(x) to get:

= x^{1/2} - x -2x^3+x^{1/2}+x

And finally, you add/subtract the x's that have the same power to get:

=-2x^3+2x^{1/2}

3 0
2 years ago
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