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3 years ago

What is 2/6 x 3/9 i need help

Mathematics

2 answers:

aliina [53]3 years ago

6 0

6/54 but simplified its 1/9

Ira Lisetskai [31]3 years ago

3 0

Answer:1/9

Step-by-step explanation:

Simplified:

1/3 x 1/3

1/9

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A light shines from the top of a pole 50ft high. a ball is dropped from the same height from a point 30 ft away from the light.

belka [17]

The speed of the ball is
ds/dt = 32t
At t =1/2 s
ds/dt = 16 ft/s
The distance from the ground
50 - 16(1/2)^2 = 46 ft
The triangles formed are similar
50/46 = (30 + x)/x
x = 345 ft

50 / (50 - s) = (30 + x)/x
Taking the derivative and substituing
ds/dt = 16
and
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3 years ago

BD is the angle bisector of

AlexFokin [52]

Note: Let us consider, we need to find the $m\angle ABC$ and $m\angle DBC$ .

Given:

In the given figure, BD is the angle bisector of ABC.

To find:

The $m\angle ABC$ and $m\angle DBC$ .

Solution:

BD is the angle bisector of ABC. So,

$m\angle ABD=m\angle DBC$

$3x=x+20$

$3x-x=20$

$2x=20$

Divide both sides by 2.

$x=\dfrac{20}{2}$

$x=10$

Now,

$m\angle DBC=(x+20)^\circ$

$m\angle DBC=(10+20)^\circ$

$m\angle DBC=30^\circ$

And,

$m\angle ABC=(3x)^\circ+(x+20)^\circ$

$m\angle ABC=(4x+20)^\circ$

$m\angle ABC=(4(10)+20)^\circ$

$m\angle ABC=(40+20)^\circ$

$m\angle ABC=60^\circ$

Therefore, $m\angle DBC=30^\circ,m\angle ABD=30^\circ$ and $m\angle ABC=60^\circ$ .

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2 years ago

5. Write an expression equivalent to x - 3y + 4.

Pepsi [2]

Answer:

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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3 years ago

Given a polyhedron with 12 faces and 30 edges, how many vertices does it have?

larisa86 [58]

Answer:

It should have 20 vertices, and the name is dodecahedron

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3 years ago