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Lady_Fox [76]
3 years ago
6

Please help me with this question. image attached.

Mathematics
1 answer:
Alona [7]3 years ago
7 0

Answer:

Answer: A as you have indicated.

Step-by-step explanation:

Givens

  • There are two sides that are 3.1 cm in length
  • There are two sides that are 6.2 cm in length

Formula

  • P = 2*(b + a)
  • where b is the base and
  • where a is the side

Solution

  • P = 2*(6.2 + 3.1)       Add what is inside the brackets
  • P = 2*9.3                 Multiply
  • P = 18.6

Answer A


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What is the speed (approximately) of a 2.5-kilogram mass after it has fallen freely from rest through a distance of 12 meters?
Norma-Jean [14]

Answer:

15.3 m/s

Step-by-step explanation:1) Find the gravitational potential energy using the equation :

     PE_g=mgh

    PE_g=2.5(12)(9.8)\\PE_g=294

2) Then use the equation for kinetic energy to solve for the velocity:

     KE=\frac{1}{2} mv^{2}

     294=\frac{1}{2}(2.5)(v^2)\\235.2=v^2\\\sqrt{235.2} =v\\15.3 m/s=v

6 0
3 years ago
Can some help I’m suffering with this question
ziro4ka [17]

Answer:

38 quarters

Step-by-step explanation:

0.25 x 63 = 15.75

0.05 x 63 = 3.15

----------------------------

0.25 x 50 = 12.50

                    +         = $13.15

0.05 x 13 = 0.65

----------------------------

0.25 x 25 = 6.25

                   +        = $8.15

0.05 x 38 = 1.90

----------------------------

0.25 x 30 = 7.50

                   +         = $9.15

0.05 x 33 = 1.65

--------------------------

0.25 x 35 = 8.75

                   +        = $10.15

0.05 x 28 = 1.40

-------------------------

0.25 x 38 = 9.50

                   +        = $10.75

0.05 x 25 = 1.25

------------------------------

I hope this helps!

4 0
2 years ago
A rock is thrown upward with a velocity of 12 meters per second from the top of a 34 meter high diff, and it moloses the diff on
zalisa [80]
It is 10.5 because it is
6 0
3 years ago
If, in a right triangle, θ = 16 and hypotenuse has length 4, how long is the side adjacent to θ? Round to at least 3 decimal pla
Marysya12 [62]

Answer:

I don't know this but try to do ot

4 0
2 years ago
What can this be classified as?
Evgesh-ka [11]

Answer:

D. None of the Above

Step-by-step explanation:

They don't relate whatsoever

4 0
1 year ago
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