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zhannawk [14.2K]
3 years ago
12

•Need help, multiple choice•

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
8 0

Answer:

A;H;D;G

Step-by-step explanation:

Altitude is a line from a vertex that intersects a side at a 90 degree angle. DE is the only altitude shown

Perpendicular bisectors divide a side into 2 congruent pieces, at a 90 degree angle. GB is the only perpendicular bisector shown.

An angle bisector is a line that divides an angle into 2 angles with the same measure. CF is the only angle bisector shown.

A median is a line that goes through a vertex and divides a side into 2 congruent lengths. AB is the only such example.

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This was from yesterday and i need to finish it so help me plz
neonofarm [45]

Answer:

3/4

Step-by-step explanation:

since they already have a common denominator you'd add the numerators and keep the denominator. you'd get 6/8. Then you'd divide both the numerator and denominator by 2. 3/4 is your final answer.

5 0
3 years ago
Si un proyectil asciende verticalmente, y después de 3 segundos alcanza su altura máxima, calcule la velocidad que lleva a la mi
lys-0071 [83]

Answer:

The speed is 20.8  m/s

Step-by-step explanation:

If a projectile ascends vertically, and after 3 seconds it reaches its maximum height, calculate the velocity that it carries to the middle of its downward trajectory

Let the maximum height is h and initial velocity is u.

From first equation of motion

v = u + at

0 = u - g x 3

u = 3 g.....(1)

Use third equation of motion

v^2 = u^2 - 2 gh \\\\0 = 9 g^2 - 2 gh \\\\h = 4.5 g

Let the speed at half the height is v'.

v^2 = u^2 + 2 gh \\\\v'^2 = 0 + 2 g\times 2.25 g\\\\v'^2 = 4.5\times 9.8\times9.8\\\\v' = 20.8 m/s

8 0
3 years ago
Answer it plz<br><br><br>step by step plz​
Mademuasel [1]

Answer:

I HOPE IT WILL HELP YOU A LOT.

Have a great day ahead.

7 0
3 years ago
Bonnie is n years old.
grin007 [14]

Answer:

T = 5n + 7

Step-by-step explanation:

Bonnie : n

Clara : 3n

Danesh : 7 + n

T = n + 3n + 7 + n

T = 5n + 7

6 0
3 years ago
What is the correct way to describe this vector ?
Amiraneli [1.4K]

Answer:

idrk the answer but i think its r = x+3y

7 0
3 years ago
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