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bearhunter [10]
2 years ago
11

Is ABCD a parallelogram?Explain how you know? Is EFGH a parallelogram?Explain how you know?

Mathematics
1 answer:
irina [24]2 years ago
6 0
Um.........maybe........you need to post a picture if you want the correct answer. Right now, those are just random letters.
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Find equations for the lines through the point (a,
Free_Kalibri [48]
The line y = mx + c has a slope of m.

Parallel line:
A parallel line will also have a slope of m, and should be of the form
y = mx + k
Because the line passes through the point (a,b), therefore
ma + k = b
k = b - ma
The equation of a parallel line is
y = mx + b - ma
   = m(x-a) + b

Perpendicular line:
A perpendicular line will have a slope of -1/m, because the product of slopes should be -1.
The equation for a perpendicular line is of the form
y = -(1/m)x + k
Because the line passes through (a,b), therefore
-(1/m)a + k = b
k = b + a/m
The equation for a perpendicular line is
y = -(x/m) + b + a/m 
   = -(1/m)(x-a) + b

Answer:
Parallel line: y=m(x-a)+b
Perpendicular line: y=- \frac{1}{m}(x-a)+b

3 0
3 years ago
Draw the shape described below and find its total surface area.
iogann1982 [59]

Answer:

hope this helps :)

Step-by-step explanation:

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3 0
3 years ago
Howard picks apples at an orchard. He earns $4.35 for each hour he works and $2.20 for each bushel he picks. His goal is to earn
BaLLatris [955]
I got about 15.8 bushels of apples
8 0
3 years ago
Pentagon ABCDE is shown on the coordinate plane below.
ANTONII [103]
Point D will pass from (1,-2) to (-1,2)

The second choice is the correct one.
5 0
3 years ago
Read 2 more answers
PLEASE HELP!! I NEED HELP WITH THIS PROBLEM!
valkas [14]
His basic salary is $ 2,500, his commission on sales is 3% (on sales only)
At the end of te month he got $3,040

Let x be the TOTAL sales performed during this month, so the money generated from sales (only) is (x).(3%), Hence the equation:

2500 + (x).(3%) = 3040
2500 + x(0.03) = 3040
x(0.03) = 3040-2500
x(0.03) = 540

and x = 540/0.03
x = $18,000


5 0
3 years ago
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