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Svet_ta [14]
3 years ago
11

If y varies inversely as x^2 and y = 3 when x = 18, what is y when x = 3?

Mathematics
2 answers:
Dominik [7]3 years ago
7 0
Y*x^2=k
y=3, x=18 ⇒ 3*18^2=3*324=972=k
x=3, 972=y*x^2=y*9
y=972/9
y=108
Mumz [18]3 years ago
7 0

Answer:

The correct answer to this question is 108.

Step-by-step explanation:

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If there are 60 miles in each walk how many walks can you walk in 3 miles
Radda [10]

Answer:

0.15 of a walk

Step-by-step explanation:

2/60 =0.15

Therefore you can walk 0.15 of a walk(so confused lol)

5 0
2 years ago
What is the lateral surface area of the square pyramid below?
den301095 [7]

Answer:

lateral surface area = 48 inches²

Step-by-step explanation:

The picture below is the square base pyramid you are referring. The lateral area is adding the area of the 4 triangles in the pyramid.

area of a triangle = 1/2 × b × h

The slant height of the triangle is gotten using Pythagoras theorem

lateral surface area = 4 × (1/2 ×  3 × 8)

lateral surface area = 4 × 24/2

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lateral surface area = 48 inches²

3 0
3 years ago
Read 2 more answers
I'm not sure what they mean by "relations that represents a function". I don't understand this.
sergeinik [125]
Means, for every 1 input, there is 1 coresponding output
normally x is input and y is output in form (x,y)
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A. -7 repeats with 5 and -3, not a function

B. no repeats of first number (6,-8) and (-5,-8) are fine because first numbers don't repeat, das is funciton

C. no repeats, function

D. no repeats, function


answer is B,C,D


4 0
3 years ago
Use the distributive property to express the sum of 80+96 as a multiple of 2 numbers with no common factor. 
devlian [24]
Note that 80 is 16*5 and 96 is 16*6.  Therefore, their sum is 16*5+16*6=16*(5+6), or 16*11.  The sum is 176.
5 0
3 years ago
44 prime factorization
il63 [147K]

Answer:

2 * 2 * 11

Step-by-step explanation:

Find the set of prime numbers that, when multiplied together, give 44.

:)

6 0
3 years ago
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