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Leokris [45]
3 years ago
13

Need help with this question!!

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0

the answer is Y=3X+3

zalisa [80]3 years ago
6 0

Hey there!!

How do we find an equation?

We will need to find the slope and the y-intercept :

How do you find slopes?

Ans - In order to find slope, we will need to use the slop formula which is

( y₂ - y₁ ) / ( x₂ - x₁ )

Now let's take two points on the graph :

I would take ( 0 , 3 ) and ( 1 , 6 )

( 6 - 3 ) / ( 1 - 0 )

3 / 1

Hence, the slope is 3

The basic equation :

y = mx + b

m = slope and b = y-intercept

slope = 3

y = 3x + b

Now, let's take a coordinate and plug in the values :

... ( 1 , 6 )

6 = 3 + b

b = 3

The final equation : y = 3x + 3

Hope my answer helps!!

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10x +7 = -3х – 3 help guys
Pepsi [2]

Answer:

x = -10/13

Step-by-step explanation:

10x + 7 = -3x - 3

Add 3x to both sides

10x + 3x + 7 = -3x + 3x - 3

13x + 7 = 0x - 3

13x + 7 = -3

Subtract 7 from both sides

13x + 7 - 7 = -3 - 7

13x + 0 = -10

13x = -10

Divide both sides by 13

13x ÷ 13 = -10 ÷ 13

1x = -10/13

x = -10/13

6 0
2 years ago
Can someone help me solve y 12 + y = 4x
Leviafan [203]

Answer: Y = 4x - 12

Step-by-step explanation:

Well, the reason for this is because y can be anything because there are 2 unknown terms in the equation. Thus, the answer to y can be many different answers. The one common thing that all of these answers have is that they have only 1 expression (An equation without equal sign) to solve it. This expression is the answer to y, but it can be changed judging by the answer of x. That is why you cannot determine an exact answer to y with there being many, so you have to write the expression to get y. Which you can find out by:

12 (Part) + y (Part) = 4x (Whole)

So to figure out one part do the whole minus the other part which is why 4x is our answer:

4x (Whole) - 12 (Other Part)

This is called part-whole postulate.

Hope this helps!

7 0
3 years ago
susan bought a calculator for $120. She had to pay a sales tax of 10% on the price. How much change would she receive from $140?
guapka [62]

Well for starters 10% of 120$ is 12$. 120+12=134...

This means 140 - 134=6

Answer: $6 of change

5 0
2 years ago
Determine the value of y, if x is –9.<br> y= | x | +1<br> Answer:
kakasveta [241]
Since x = -9, you substitue the X for -9.
your equation would then be y = |-9| +1
|x| is absolute vale and makes everything inside positive.
so really it is y = 9+1
y = 10
6 0
3 years ago
A scientist begins an experiment with a culture of 5 bacteria cells. Every hour, the number of bacteria cells triples. Which equ
olga2289 [7]

Answer:

y = 5 * (3^x)

Step-by-step explanation:A scientist begins an experiment with a culture of 5 bacteria cells.

Every hour, the number of bacteria cells triples.

Which equation can be used to represent the number of bacteria cells, y, as it relates to time in hours, x?

:

I think it would be y = 5 * (3^x)

7 0
2 years ago
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