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marin [14]
2 years ago
15

A line segment AB has midpoint (2, 5). If the coordinates of A are (-1, -3), what are the coordinates of B?

Mathematics
1 answer:
Alexandra [31]2 years ago
3 0

Answer:

B (5; 13)

Step-by-step explanation:

Midpoint (x) = (-1 + bx)/2 = 2

Bx - 1 = 4

Bx = 5

Midpoint (y) = (-3 + By)/2 = 5

By - 3 = 10

By = 13

B (5; 13)

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bearhunter [10]

Answer:

C. -1/2

Step-by-step explanation:

well the formula for slope is m=(y2-y1/x2-x1). y2 = -5 y1= 3 x2 = 2 x1 = -14. put that all together to get -5-3/2-(-14). well -5 - 3 = -8. the second one is like a multiplication problem so a negative minus a negative is a positive. which give u 2 + 14 = 16. so you get the fraction -8/16 both are divisible by 8 so divide the equation by 8 and you get -1/2.

4 0
3 years ago
The triangles at right are similar what is the value of x
Ilya [14]

Answer:

must remember triangle interior angle is 180.

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6 0
2 years ago
Which is a rational number <br>a) 1.4142135623<br>b) 3.6256256<br>c) 2 (pie)<br>d) squared 5​
vfiekz [6]

Answer:

Rational numbers can be expressed as a fraction

Squared 5 = 25

25 can be expressed as  a  fraction- 25/1, so d is correct.

Let me know if this helps!

8 0
2 years ago
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3 years ago
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Ben made a model (shown below) of the square pyramid he plans to build when he grows up.
elena-s [515]

Answer:

336 m^2

Step-by-step explanation:

The surface area of a square pyramid is the sum of the area of the squared base + 4 times the area of each triangular face, therefore:

A=A_b + 4A_t

where:

A_b=L^2 is the area of the base, where

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A_t=\frac{1}{2}Lh is the area of each triangular face, where

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A=12^2 +2(12)(8)=336

4 0
3 years ago
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