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Natali [406]
3 years ago
6

I need help ASAP PLS

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0
Write one of what I don’t understand
mote1985 [20]3 years ago
4 0

Answer:

write one what I don't get it

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The area of a quadrilateral whose vertices is ABCD taken in order are (1,2) (-5,6) (7,-4) and (-2,t) be 0 ,find the value of t
AfilCa [17]
Coordinates : A(1,2) B(-5,6) C(7,-4) D(-2,t) - All are taken in order

gradient of AB = (6-2)/(-5-1) = 4/-6 = -⅔
since it is quadrilateral, AB//CD
gradient of CD = -⅔
equation of CD : y-(-4)=-⅔(x-7)
y+4=-⅔x+14/3
y=-⅔x+⅔
now, sub x=-2 from D(-2,t)
since t is the y-coordinate of point D
t=-⅔(-2)+⅔
t=2

Therefore, t=2
3 0
1 year ago
Please tell fast plzzzzzz​
Varvara68 [4.7K]

Answer:

72 degrees

Step-by-step explanation:

let the ratio be 2x and 3x

2x + 3x =180° ( co interior angles )

5x = 180°

x = 180 ÷ 5

x = 36°

And the smaller angle = 2 × 36° = 72°

5 0
3 years ago
How do you solve this problem?
Solnce55 [7]
Use the pythagorean theorem.
3 0
2 years ago
Write the Roman Numeral CLXIV in standard form. Standard Roman Number Numeral 1 1 5 V 10 X 50 100 500 D 1,000 M XJ002 2 A) 169 O
MatroZZZ [7]

Answer:

C. 164

Step-by-step explanation:

its self explanitory

8 0
2 years ago
HELP ASAP. The length of the rectangle is five centimeters is less than twice it’s width. The perimeter of the rectangle is 26 c
TiliK225 [7]

Answer:

L = 7, W = 6

Step-by-step explanation:

All I did was I wrote out the equations, L = 2w - 5 and 2L + 2W = 26. I then substituted what L was into the equation and solves. Here's my work if you would like to see it.

8 0
3 years ago
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