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3 years ago

Please help me!!!!

Mathematics

2 answers:

Anvisha [2.4K]3 years ago

7 0

Answer:

i got b and d

Step-by-step explanation:

Otrada [13]3 years ago

7 0

Answer:

answer is id.k

Step-by-step explanation:

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Angle B measures 60. What is the measure of the angle that is complementary to angle B ?

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120 degrees
(180-60=120)

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What is the additive identity for rational numbers?

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Step-by-step explanation:

The rational number 0 is the additive identity for rational numbers.

As,

If we add any rational number to zero we get that number itself.

E.g.

$0 + \frac{1}{2} = \frac{1}{2}$

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A boardwalk game of chance costs $1 to play. You have a 25% chance of winning $1 back, a 20% chance of winning $2

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2 years ago

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Is this even possible

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3 years ago

With the beam being held still at a height of 40 m, the crane breaks and the beam falls to the ground. Assuming no air resistanc

lapo4ka [179]

What we have so far:
Kinetic energy = 0. The reason behind that is because the beam is not moving at a height of 40m.
Gavity, g = 9.8m/s²
Height = 40m
Potential energy = mgh; this is equal to 0 because m, stands for mass and in this problem, we do not have a value for the mass of the beam. Hence, 0 x 9.8m/s² x 40m = 0. Potential energy = 0.

Solution:
We will use the equation of Total energy:
TE = potential energy + kinetic energy

TE = 0 + 0

∴ TE = 0

The answer is: Assuming no air resistance, the total energy of the beam as it hits the ground is 0.

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3 years ago