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Valentin [98]
2 years ago
10

Which number below is a perfect square? 15 19 16 20 ​

Mathematics
2 answers:
Vlad1618 [11]2 years ago
7 0

Answer:

16

Step-by-step explanation:

4 x 4=16

vlada-n [284]2 years ago
6 0

Answer:

16

Step-by-step explanation:

4x4=16

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If the radius of a cylinder is 3 centimeters, then will the area of one of the circular bases is 18.84 square centimeters
luda_lava [24]
NO, the area would be 28.26.

4 0
3 years ago
Read 2 more answers
After a 75% reduction, you purchase a new DVD player on sale for $136. What was the original price of the DVD player
iogann1982 [59]

Answer:

$544

Step-by-step explanation:

To determine the original price of the DVD player considering that you know that it had a 75% reduction, you can use a rule of three as the price of $136 represents 25% of the original price and with this you can calculate the price that represents 100%:

$136 → 25%

  x    ← 100%

x=(136*100)/25=$544

According to this, the answer is that the original price of the DVD player was $544.

8 0
3 years ago
Help me plsssssssszzzzzzzzzzzzzzzzz
katen-ka-za [31]

Answer:

  750 < p < 1500

Step-by-step explanation:

The total cost of the affair for p attendees is ...

  750 +2.25p

The average cost is that number divided by p. The answer choices suggest that "between" means that the cost per person cannot be 2.75 or 3.25. Applying the limits to the average cost, we get ...

  2.75 < (750 +2.25p)/p < 3.25

  2.75 < 750/p + 2.25 < 3.25 . . . . . . . . separating the fraction parts

  0.50 < 750/p < 1.00 . . . . . . . . . . . . . . subtract 2.25

  2 > p/750 > 1 . . . . . . . . . . . . . . . . . . . . . take the reciprocal*

  1500 > p > 750 . . . . . . . . matches choice 4

_____

* Taking the reciprocals of numbers with the same sign reverses their order:

  2 < 3   but   1/2 > 1/3

__

An alternate approach to the solution would be to multiply by p:

  0.50p < 750 < 1.00p

To solve this requires it be made into two inequalities:

  0.50p < 750   ⇒   p < 1500

and

  750 < 1.00p   ⇒   750 < p

Then these would need to be recombined to form the answer:

  750 < p < 1500

8 0
3 years ago
If you doubled joes age and added 10 years he would still be younger than his uncle. His uncle is 51. Use inequalities to find h
CaHeK987 [17]

Answer:

He is 20 at oldest, or x\leq 20

Step-by-step explanation:

The first step in finding a possible age is:

Subtract 10 from 51, and you get 41. Divide by 2, and you get about 20.5.

This means Joe is younger than or 20 years old.

4 0
2 years ago
A function g is defined by g:x→3−2sinx,for 0◦ ≤x≤A◦,where A is a constant.
Crank
<span>hmmm: g maps x onto 3-2sin(x) for all x from 0 to A degrees g(x) = 3-2sin(x) the inverse would have to be arcsin (3-x)/2, which only has a radian output between -pi and pi i believe. but this is just from memory</span>
6 0
3 years ago
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