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inn [45]
4 years ago
7

Solve the equation for y. 6=4x+9y

Mathematics
2 answers:
aksik [14]4 years ago
7 0

Answer:

y =  \frac{6 - 4x}{9}

Step-by-step explanation:

6 = 4x + 9y \\ 6 - 4x = 9y \\  \frac{6 - 4x}{9}  =  \frac{9y}{9}  \\  \\ y =  \frac{6 - 4x}{9}

hope this helps

brainliest appreciated

good luck! have a nice day!

Liono4ka [1.6K]4 years ago
4 0

Answer:

y = \frac{6-4x}{9}

Step-by-step explanation:

In equations, it's important to complete an operation to both sides because if it is only completed on one then the whole equation will change and the solution will be different so it's an important rule to remember when solving equations that you have to keep the equation balanced.

→ 6 = 4x + 9y

⇒ Minus 4x from both sides to isolate 9y

→ 6 - 4x = 9y

⇒ Make 'y' the subject

→ 9y = 6 - 4x

⇒ Divide both sides by 9 to isolate 'y'

→ y = \frac{6-4x}{9}

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Mr. Castillo spent $20.00 of the $40.00 in his wallet. Which decimal represents the fraction of the $40.00 Mr. Castillo spent?
NNADVOKAT [17]

Answer:

0.5

Step-by-step explanation:

hope that helps

3 0
3 years ago
Solve the following equation.<br><br> 2/3x + 6 = 1/2x + 1/4x<br><br> 2<br> 6<br> 14 2/5<br> 72
Vladimir79 [104]
Answer: 72
heyy, umm basically group like terms together. E.g. 6= 1/2x + 1/4x - 2/3x. Then, just solve for x e.g. 1/2 + 1/4 - 2/3 and use the answer to equal it to 6. Which should be 1/12x=6... pretty sure haha. Then divide. E.g.6/1/12 for x. In this case I got 72.. :)
5 0
3 years ago
If a graph shows the function y=3x what are the coordinates of the intercepts
vladimir2022 [97]

Answer:

graph{3x+5 [-10, 10, -5, 5]}

x

intercept:  

x

=

−

5

3

 

y

intercept:  

y

=

5

Explanation:

For a linear graph, the quickest way to sketch the function is to determine the  

x

and  

y

intercepts and draw a line between the two: this line is our graph.

Let's calculate the  

y

intercept first:

With any function,  

y

intercepts where  

x

=

0

.

Therefore, substituting  

x

=

0

into the equation, we get:

y

=

3

⋅

0

+

5

y

=

5

Therefore, the  

y

intercept cuts through the point (0,5)

Let's calculate the  

x

intercept next:

Recall that with any function:  

y

intercepts where  

x

=

0

.

The opposite is also true: with any function  

x

intercepts where  

y

=

0

.

If we substitute  

y

=

0

, we get:

0

=

3

x

+

5

Let's now rearrange and solve for  

x

to calculate the  

x

intercept.

−

5

=

3

x

 

−

5

3

=

x

Therefore, the  

x

intercept cuts through the point  

(

−

5

3

,

0

)

.

Now we have both the  

x

and  

y

intercepts, all we have to do is essentially plot both intercepts on a set of axis and draw a line between them

The graph of the function  

y

=

3

x

+

5

:

graph{3x+5 [-10, 10, -5, 5]}



3 0
3 years ago
PLEASE HELP ITS DUE TONIGHT, IM CONFUSED
djverab [1.8K]
Perimeter = (x+2) + x + (x+2) + x
Perimeter = 4x + 4

Area = x(x+2)
Area = x^2 + 2x
7 0
3 years ago
Read 2 more answers
Log (4x-1)+5=8<br><br> Please help me!
nordsb [41]

log (4x-1) + 5 = 8

log (4x-1) = 8 - 5

log (4x-1) = 3

4x - 1 = 10³

4x - 1 = 1000

4x = 1001

x = 1001/4

ok done. Thank to me :>

4 0
2 years ago
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