2 years ago

You paint 1/ 3 of a wall in 1/4 hour. At that rate, how long will it take you to paint one wall?

Mathematics

1 answer:

Karolina [17]2 years ago

7 0

Answer:

3/4 of an hour

Step-by-step explanation:

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X+3y=5<br> -2x-6y=-10<br><br> Solve using elimination

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Slimination
multiply first equaiton by 2
2x+6y=10
add to second equiaotn
2x-2x+6y-6y=10-10
0=0
this is true so therfor they are the same equaiton

so solve
x+3y=5
3y=-x+5
y=-1/3x+5/3

subsituter values for x and get valuse for y

if x=2 then y=1

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3 years ago

3 (x - 3) + x (r + 4)

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Answer:

Step-by-step explanation:

3(x-3)+x(r+4)

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3 years ago

A punch recipe requires 4 L of orange juice and 3 L of pineapple juice. Sylvia wants to tripple the recipe. What is the total am

kirill [66]

Answer:

Sylvia needs 12 l of orange juice and 9 l of pineapple juice.

Step-by-step explanation:

triple means multiplying by 3

so multiply 4 l of orange juice by 3 and 3 l of pineapple juice by 3

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3 years ago

When the x is slove and you have to slove for the y i got how to do it but i don't know which one am i sloving for in the equati

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Since x=8y, subsitute 8y for x in other equation

y=6x-11
y=6(8y)-11
y=48y-11
minus y both sides
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11=47y
divide both sides by 47
$\frac{11}{47}=y$
subsitute taht for y to find x

x=8y
$x=8(\frac{11}{47})$
$x=\frac{88}{47}$

$x=\frac{88}{47}$
$y=\frac{11}{47}$
in (x,y) form
(x,y)
$(\frac{88}{47},\frac{11}{47})$

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2 years ago

Read 2 more answers

You paint 1/ 3 of a wall in 1/4 hour. At that rate, how long will it take you to paint one wall?​

You paint 1/ 3 of a wall in 1/4 hour. At that rate, how long will it take you to paint one wall?