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3 years ago

What is -3y = 12+3x?m=y=

Mathematics

2 answers:

stich3 [128]3 years ago

7 0

Answer:

$\displaystyle y = -4 - x \\ -1 = m$

Step-by-step explanation:

$\displaystyle \frac{-3y}{-3} = \frac{12 + 3x}{-3} \\ \\ y = -x - 4$

* In the Slope-Intercept Formula [y = mx + b], b represents the y-intercept, and the rate of change [slope] is represented by m.

I am joyous to assist you anytime.

lana66690 [7]3 years ago

4 0

Step-by-step explanation:

-3y=12+3x

-y=4+x

y=-4-x and m which is the gradient is the coefficient of x which is -1, therefore m=-1

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in a AP the first term is 8,nth term is 33 and sum to first n terms is 123.Find n and common difference

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I believe there is no such AP...

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$\begin{cases}a_1=8\\a_k=a_{k-1}+d&\text{for }k>1\end{cases}$

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$n$ has to be an integer, which means there are 4 possible cases.

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$\displaystyle\sum_{k=1}^2(8+21(k-1))=37\neq123$

Case 2: $n-1=21$ and $d=1$ . But

$\displaystyle\sum_{k=1}^{22}(8+1(k-1))=407\neq123$

Case 3: $n-1=3$ and $d=7$ . But

$\displaystyle\sum_{k=1}^4(8+7(k-1))=74\neq123$

Case 4: $n-1=7$ and $d=3$ . But

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3 years ago

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3 years ago

What is -3y = 12+3x?m=y=​

What is -3y = 12+3x?m=y=