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Wittaler [7]
2 years ago
10

Select the correct answer from the drop-down menu. Simplify the expression (x^19 y^21)^4/(x^2y^6)^2. The simplified expression i

s ...
A. (x^76)(y^84)
B. (xy)^72
C. (x^80)(y^96)
D. (xy)^84
Mathematics
1 answer:
Natalka [10]2 years ago
3 0

Answer:

b

Step-by-step explanation:

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the perimeter of a rectangle is twice the sum of its length and its width. The perimeter is 16 meters and its length is 2 meters
Olegator [25]
You'd do 16 times 2 since the length is TWICE as much as 16. So 16x2=32x2=64 
5 0
3 years ago
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An oblique cylinder has a radius of 9 centimeters and a volume of 486 cubic centimeters. Use Cavalieri’s Principle to calculate
igor_vitrenko [27]
Cavalieri's Principle states that the volume of an oblique cylinder is equal to the product of the area of the base and the height. Mathematically, this can be expressed as,
                                    volume = Bh
                                      V = (πD²/4)h
where D is diameter and h is the height. Substituting the known values from the given above,
                                      486 cm³ =((π)(9 cm)²/4) x h
The value of h from the generated equation is equal to 7.64 cm. Thus, the height of the oblique cylinder is approximately 7.64 cm. 
8 0
3 years ago
If 18 , x , y , -3 are in A.P then find x + y.
AleksandrR [38]

Answer:

15

Step-by-step explanation:

If this is an arithmetic progression, then there is a common difference.

-3-18 = -21

-21/3 = -7

18 - 7 = x

x = 11

11 - 7 = y

y = 4

4 - 7 = -3

x + y

11 + 4 = 15

6 0
3 years ago
Select all the perfect squares.<br> 9<br> 41<br> 81<br> 144<br> 150
quester [9]

Answer:

9, 81, 144

Step-by-step explanation:

6 0
3 years ago
The minimum and maximum distances from a focus to a point on an ellipse occur when that point on the ellipse is an endpoint of t
Sauron [17]
The answer is True.

Explanation:
Let a =  major axis
Let b = minor axis
Let c =  focal length.

Consider the right focus, located a distance c from the center of the ellipse (at the origin).
From the right focus to the right point on the major axis is equal to a-c. This is the minimum distance.
From the right focus to the left point on the major axis is equal to a+c. This is the maximum distance. 
7 0
3 years ago
Read 2 more answers
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