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harkovskaia [24]
3 years ago
9

What is the first step to show that two lines are parallel, by looking at the equations of the lines, if they are written in sta

ndard form?
Mathematics
1 answer:
kotykmax [81]3 years ago
6 0
<span>You do need the slope. It's not obvious in "Standard Form". Ax + By = C ==> y = -(A/B)x + (C/B) There's your slope to compare. Find -A/B for each. 3x + 2y = 4 ==> Slope = -3/2 6x + 4y = 5 ==> Slope = -6/4 = -3/2 3x + y = 4 ==> Slope = -3 The top two examples COULD be parallel. If the constant is the same, that's a bit sneaky because they are really the SAME line. That's not really parallel.</span>
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Sloan [31]

Answer: 12s+27j≤450

Step-by-step explanation:

From the question, we are informed that Jackie has a maximum of $450 to spend on shirts and jeans and that the shirts she wants to buy are $12 each, including tax while the jeans she wants to buy are $27 each, including tax.

The inequality that represents all possible combinations of s, the number of shirts, and j, pairs of jeans, Jackie can buy will be:

= 12s+27j≤450

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3 years ago
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Ilya [14]

Answer:

Vol. of the composite figure is 189 m³

Step-by-step explanation:

Find the volume of the larger figure by mult. together its 3 dimensions:

V = (9 m)(8 m)(3 m) = 216 m³.

Next, find the volume of the "notch," which is (3 m)³, or 27 m³.

Finally, subtract the "notch" volume from the 216 m³ volume found earlier:

216 m³ - 27 m³ = 189 m³

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Ronch [10]

Answer: 3log5(2) - 1 or ~0,29203

Step-by-step explanation:

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log5(2^3) - 1

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2 years ago
If f(x)=5x-13, then f^-1(x)=
svet-max [94.6K]

Answer:

Hello,

If f(x)=5x-13, then f^-1(x)= \frac{1}{5x-13}

have good day


Step-by-step explanation:


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