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Svetradugi [14.3K]
3 years ago
12

Write and graph the inverse variation in which y = 8 when x = –4.

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
3 0
For this case we have that an inverse variation in a function is given by:
 y = k / x

 For this case, we must find the value of the constant k.
 To do this, we substitute the values of x = -4, y = 8.
 We have then:
 8 = k / -4

 Clearing k we have:
 k = (8) * (- 4)

k = -32
 Substituting the value of k we have that the inverse variation is:
 y = -32 / x

 Note: see attached image.
 Answer:
 
y = -32 / x

 See attached image.

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Paraphin [41]

Answer:

its 48.139

Step-by-step explanation:

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5 0
2 years ago
Write an<br> explicit formula for an, the nth term of the sequence 24, 28, 32, ....
noname [10]

Answer:

Given the sequence 20, 24, 28, 32, 36, . . . find the 60th term.

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nth term pattern: a(n) = 20 + (n-1)4

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Step-by-step explanation:

3 0
3 years ago
The width of a rectangle is 7/15 of its length. The width of the rectangle is 56 cm. Find the length of the rectangle.
Hoochie [10]
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8 0
3 years ago
PPPLLLSSSS HHHUURRRYYY
Lostsunrise [7]

Answer:

c=20 or SU = 20

Step-by-step explanation:

I'M HURRRRYYYINNNNNG DON'TT WORRY!!! :D

Use the Pythagorean theorem:

a²+b²=c²

Plug it in:

12²+16²=c²

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There did i finish on time!!? XD

6 0
3 years ago
Read 2 more answers
Do i begin with division first?
lara31 [8.8K]
Use PEMDAS. Division comes before addition. start with 9/25 ÷ 18/15. You will divide those like you would normally divide a fraction, so yes, do the inverse of 18/15 and multiply that by 9/25. after you've done that, take that answer and add the 5/8 to it.
:)
5 0
3 years ago
Read 2 more answers
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