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vagabundo [1.1K]
2 years ago
9

What is the equation in slope intercept form 3 y - 9= 12x Please help I need to turn it in.

Mathematics
2 answers:
Tresset [83]2 years ago
7 0
Answer: y = 4x + 3

Explanation:

3y = 12x + 9 (i moved the constant to the right-hand side and change its sign.)

y = 4x + 3 (i divided both sides of the equation by 3 and got y = 4x + 3)
Scorpion4ik [409]2 years ago
6 0

Answer:

y=4x+3

Step-by-step explanation:

3y-9=12x

+9      +9

3y=12x+9

/3      /3

y=4x+3

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X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?
Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

x+y = 152\\8.5x+12y=1656

From equation 1:

x = 152-y

Putting the value of y in equation 2

8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48

Hence,

The solution of the system of equations is x = 48 and y = 104

The value of variable which was assumed for number of hats, is the total number of hats.

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3 years ago
Carl is on the school track team. To prepare for an upcoming race, he plans to run 217 miles total over the next 31 days.
Tanya [424]

Answer:

Answer:

217/31=m

7 miles per day

Step-by-step explanation:

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Lorea is designing the top of a quilt which measures 2,160 square inches. Triangles will cover 432 square inches of the quilt, a
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2160 - 180 - 432 = 612
Each parallelogram is 3 square inches
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Step-by-step explanation:

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