2 years ago

Please help me out I am not good at math so I would very appreciate

Mathematics

1 answer:

Tcecarenko [31]2 years ago

8 0

To me it looks like the perimeter is 84 and the area is 360?

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2 sqrt of 3 times 3 sqrt of 15

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In the diagram, two parallel lines are cut by a transversal. which angles are congruent to ∠8?

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4. Add. 2a + 8 + 4b + 5

Gemiola [76]

Answer:

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3 years ago

The coordinates of the endpoints of ST are (-2,3) and (3, y) respectively supposethe distance between s and t us 13 units.What v

igor_vitrenko [27]

Answer:

The values of y would be -9 and 15

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

$d=13\ units$

S(-2,3) and T(3,y)

substitute the given values in the formula and solve for y

$13=\sqrt{(y-3)^{2}+(3+2)^{2}}$

$13=\sqrt{(y-3)^{2}+25}$

squared both sides

$169=(y-3)^{2}+25$

$(y-3)^{2}=169-25$

$(y-3)^{2}=144$

take square root both sides

$y-3=(+/-)12$

$y=3(+/-)12$

$y=3(+)12=15$

$y=3(-)12=-9$

therefore

The values of y would be -9 and 15

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4 years ago