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Julli [10]
3 years ago
12

I dont understand linear equations,what is the purpose of a linear equation?

Mathematics
2 answers:
Hatshy [7]3 years ago
8 0

Answer:

it's a straight line graph

Step-by-step explanation:

it indicates something is directly proportional

Darina [25.2K]3 years ago
4 0

A linear equation in two variables describes a relationship in which the value of one of the variables depends on the value of the other variable. In a linear equation in x and y, x is called x is the independent variable and y depends on it. We call y the dependent variable.

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A recipe requires sugar, flour and cocoa in the ratio 5:4:1
WARRIOR [948]
Let x be the amount of cocoa you use in the recipe.

then 4x is the amount of flour used, and 5x is the amount sugar used.

x+4x+5x= 550g
10x=550g
x=55g

So, you use 55g of cocoa, 220g of flour, and 275g of sugar. 

hope this helps! :)
3 0
3 years ago
The polygon Q(3, 2), R(6,5), S(6, 2)
ycow [4]

Answer:

Q' (12,8) , R'( 24,20) and S' (24,8)

Step-by-step explanation:

Here, we want to get the coordinates of the image after dilating the pre-image by a scale factor of 4

What we have to do here is to multiply each of the coordinate on the pre-image by 4

We have this as;

Q' = (4*3, 2 * 4) = (12,8)

R' = (4*6, 4*5) = (24,20)

s' = (4*6, 4*2) = (24,8)

4 0
3 years ago
What is 4 (x-y) - 3 (x-y) ?
Anettt [7]

Answer: x+y

Step-by-step explanation: 4x-4y-3x-3y

4x-3x is x

4y-3y is y

7 0
3 years ago
Read 2 more answers
4
const2013 [10]

Answer:

the third

Step-by-step explanation:

your photo is not clear, and your explanations for your question is not clear also.

as we are tackling the substraction and the addition questions between matricxs.We could simply +/- every number correspondingly.

4 0
3 years ago
Your goal is to save $50. So far, you have saved $34. How much more money do you need to save? Write your answer as a rational n
belka [17]

Answer:

You need to save $16 more dollars.

Step-by-step explanation:

If you add 16 to 34 you get 50.

3 0
3 years ago
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