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AURORKA [14]
3 years ago
7

Can someone help on a) please its due soon :(

Mathematics
1 answer:
san4es73 [151]3 years ago
3 0
You have to draw a north line at A and measure the angle clockwise. So since B is due East of A, the bearing will be 090 degrees
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What is the area of a parallelogram with a height of 7 feet and a base of 12 feet?
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Answer:

84ft^2

Step-by-step explanation:

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What is the y intercept of this line y+4=-4(x-2)
Alex_Xolod [135]
Y + 4 = -4 (x - 2)

Y - INTERCEPT:
y + 4 = -4 ((0) - 2)
y + 4 = -4 (-2)
y + 4 = 8
y = 4
(0, 4)

STANDARD FORM:
Ax + By = C
y + 4 = -4x + 8
4x + y + 4 = 8
4x + y = 4

X INTERCEPT:
(0) + 4 = -4 (x - 2)
4 = -4 (x - 2)
4 = -4x +8
-4 = -4x
x = 1
(1, 0)

PERPINDICULAR LINE:
y + (1) = (1/4) (x - (5))
y + 1 = 1/4x - 5/4
-1/4x + y + 1 = -5/4
-1/4x + y = -9/4
x - 4y = 9

X INTERCEPT OF PERPINDICULAR LINE:
x - 4(0) = 9
x - 0 = 9
x = 9
(9, 0)

PARALLEL LINE:
y + (-2) = -4 (x - (0))
y - 2 = -4x + 0
4x +  y - 2 = 0
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ORDERED PAIR FOR PARALLEL LINE:
4(-2) + y = 2
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4 0
3 years ago
Please help with 16 & 17
son4ous [18]

Answer:

16. Parallelogram

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Step-by-step explanation:

16. You should graph it to get a visual. But using the given points, you can tell that the slopes for the lines AC and BD are the same, thus meaning those lines are parallel. The same for lines AD and BC.


17. 5x+2=17, so x= 3

3y-6=21, so y=9

5 0
3 years ago
Gerald and his dog Spike get on the scale together. Their combined weight is 128 pounds. If the ratio of Gerald's weight to Spik
Darya [45]
Gerald weighs 96 pounds. Spike weighs 32 pounds.
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