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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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Write an expression that represents the perimeter of the triangle.
uysha [10]

Answer:

(3m - 2) + (2m + 7) + (5m - 3)

Step-by-step explanation:

Perimeter is found by combining all side measurements together to find the total measurement. In this case, combine the sides:

(3m - 2) + (2m + 7) + (5m - 3) is your answer.

If you need a simplified expression, simply combine all the like terms together. Like terms are terms with the same as well as same amount of variables:

(3m + 2m + 5m) + (7 - 2 - 3)

(10m) + (2)

10m + 2 is your answer.

~

7 0
2 years ago
A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price. The customer was charged a 7%
olga55 [171]

Answer:

$19.26 or $19.

Step-by-step explanation:

Sold DVD for 50% more of the purchase price of $12, so:

12 + 50/100 * (12) = 12 + 6 = 18.

The customer will pay 7% tax on $18.

18 * (1.07) = $19.26

4 0
3 years ago
Read 2 more answers
Plz answer what is the x interster
Ira Lisetskai [31]

Answer:

Y intercept (0,2)

X intercept (3, 0)

Step-by-step explanation:

The y intercept is the value when x = 0 (or where it crosses the y axis)

Y intercept (0,2)

The x intercept is when y =0 ( or where it crosses the x axis)

X intercept (3, 0)

6 0
3 years ago
Plz help ASAP and good explanation thank you
PilotLPTM [1.2K]
10 + 43 - 5 = 48

5^2 = 25

48/6 = 7

7 + 25 = 32

Answer 32
3 0
3 years ago
Find the slope of this table.
trasher [3.6K]

Answer:

-6/2 = Slope = - 3

Step-by-step explanation: Hope this helps!

6 0
3 years ago
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