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ratelena [41]
3 years ago
11

Suppose that x and y vary inversely and that y = 5 when x = 1. What is y when x = 15?

Mathematics
1 answer:
LiRa [457]3 years ago
7 0

Answer:

Y=1/3

Step-by-step explanation:

X=k/y

So let's make k the subject of formula

k=xy

x=1,y=5

So let's substitute

k=1×5

k=5

So we are to determine the value for y when x is 15

So let's solve

Y=k/x

Y=5/15

Y=1/3

Y=0.333333~0.3

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How do you recongnize functions?
natta225 [31]

Answer:

That is not a function :)

Step-by-step explanation:

You can recognize functions by seeing if it passes the <em><u>vertical line test</u></em><em><u>.</u></em> If you draw a vertical line anywhere are the grid and it crosses the equation in more then one place then it does not pass the test, and is not a function.

Here's an attachment that might help

5 0
2 years ago
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Which of the following ratios is not equivalent to the following statement: The ratio of right-handed students to left-handed st
sukhopar [10]

In (A), we have 9 : 2.

Multiply by 2, we get 18 : 4

In (B), we have 36 : 8.

Divide by 2, we get, 18 : 4.

In (D), we have 54 : 12.

Divide by 3, we get, 18 : 4.

Hence, (C) is not equivalent to the given statement.

6 0
3 years ago
HELP PLEASE IT IS DUE TODAY!!!!!!!!!!!!! Please <br> It is 1-5 please answer 1-5
tatyana61 [14]

Multiple and add

Step-by-step explanation:

For all of them you multiple 1 and add the inherent that's what area and perimter means

5 0
2 years ago
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Suppose a bank customer’s savings account balance grows at a steady rate. Which type of function would best represent the balanc
elena-s [515]

Answer:

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2 years ago
Write the equation of the line in y=mx+b that passes through the points (5,10) and (6,12)
Damm [24]

Answer:

y = 2x + 0 or y = 2x

Step-by-step explanation:

use slope-intercept form \frac{y2 - y1}{x2 - x1}

12 - 10 = 2

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to find b plug one of the points in for x and y

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solve equation

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subtract 10 from both sides

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2 years ago
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