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PSYCHO15rus [73]
3 years ago
8

Using your own words, explain direct and inverse proportionality. (Be sure to use complete sentences.)

Mathematics
2 answers:
JulijaS [17]3 years ago
8 0
In an inverse proportion two veriables are inversely proportional to each other.You can write the equation as P=n/x, and N is the constant of proportionality.In the equation the X increases and the P decreases.

slamgirl [31]3 years ago
8 0

Answer:

Whenever we talk about direct or inverse  proportionality  we talk about two variables

Suppose we have two variables x and y  they are said to be in direct proportionality if they one vary same as the other

For eg:

x=3y

Here, whenever x increases y will increase and when x decreases y will decrease.

On the contrary, the two variables when have opposite behaviour

For eg:

x=3/y

Here, whenever x increases y will decrease and when x decreases y will increase.

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Find the image of the points after a reflection in the line x=-2​
meriva

Answer:

The Y value part of the point's coordinates will always stay the same, and then calculate the distance from the point's x value to the line -2 and then count the same amount in the opposite direction. For example, if the point was (-3,1), then the point is 1 left from the line, so you will go point one right from the line and get the answer (-1,1)

Step-by-step explanation:

8 0
3 years ago
Some members of the cooking club are making cakes which they will sell at a street fair for $10 apiece. It costs $10 for a booth
Alika [10]

Answer:

The cooking club sales covers the expenditure when 2 piece of cakes are sold.

Step-by-step explanation:

Given:

Selling price of each piece of cake = $10

Cost for booth at fair = $10

Ingredients for each piece of cake = $5

We need to find the number of pieces of cake sold when the sales cover the expenditures.

Solution:

Let the number of pieces be 'x'

So We can say that the point at which the sales cover the expenditures can be calculated as Selling price of each piece of cake multiplied by number of pieces will be equal to Cost for booth at fair plus Ingredients for each piece of cake multiplied number of piece of cakes.

framing in equation form we get;

10x =10+5x

Now Subtracting both side by '5x' using Subtraction property we get;

10-5x=10+5x-5x\\\\5x=10

Now Dividing both side by 5 we get;

\frac{5x}{5}=\frac{10}{5}\\\\x=2

Hence The cooking club sales covers the expenditure when 2 piece of cakes are sold.

7 0
3 years ago
How to write two million
EastWind [94]

Answer:

2,000,000

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Do not know how to solve or work out
ehidna [41]
-3x + 20 > = 8
-3x > = 8 - 20
-3x > = -12
x < = -12/-3
x < = 4

( - infinity, 4] <== interval notation
7 0
3 years ago
Write two different two-step equations that have 1.2 as their solution.
mart [117]
We can write multiple equations that have the same solution.
 Two of these equations could be for example:
 Equation 1: 
 10x = 12 
 Equation 2: 
 2x-1 = 1.4
 Note: when clearing x in both equations we have:
 x = 1.2
 Answer: 
 10x = 12 
 2x-1 = 1.4
3 0
3 years ago
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