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hodyreva [135]
2 years ago
5

Please no files or links and your works

Mathematics
1 answer:
Vikentia [17]2 years ago
4 0

Answer:

17: 25in²

18. 53m²

19. 21.6cm²

20. 20.8km²

Step-by-step explanation:

Formula for area of a parallelogram

Area = Base Length x Height

For 17

Given Base Length: 5 in

Given Height: 5 in

( Using the formula stated above ) area = 5 * 5 = 25

Hence the answer to #17 is 25in²

For 18

Given Base Length: 10 m

Given Height: 5.3 m

( Using the formula stated above ) area = 5.3 * 10 = 53

Hence the answer to #18 is 53m²

For 19

Given Base Length:  5.4 cm

Given Height: 4 cm

( Using the formula stated above ) area = 5.4 * 4  = 21.6

Hence the answer to #19 is 21.6cm²

For 20

Given Base Length: 5.2 km

Given Height: 4 km

( Using the formula stated above ) area = 5.2 * 4 = 20.8 km

Hence the answer to #20 is 20.8km²

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próximo = 7:03 + 9 = 7:12
próximo = 7:12 + 9 = 7:21
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3 0
3 years ago
What are the fourth roots of 6+6√(3i) ?
Helen [10]

Answer:

Step-by-step explanation:

The genral form of a complex number in rectangular plane is expressed as z = x+iy

In polar coordinate, z =rcos ∅+irsin∅ where;

r is the modulus = √x²+y²

∅ is teh argument = arctan y/x

Given thr complex number z = 6+6√(3)i

r = √6²+(6√3)²

r = √36+108

r = √144

r = 12

∅ = arctan 6√3/6

∅ = arctan √3

∅ = 60°

In polar form, z = 12(cos60°+isin60°)

z = 12(cosπ/3+isinπ/3)

To get the fourth root of the equation, we will use the de moivres theorem; zⁿ = rⁿ(cosn∅+isinn∅)

z^1/4  = 12^1/4(cosπ/12+isinπ/12)

When n = 1;

z1 =  12^1/4(cosπ/3+isinn/3)

z1 = 12^1/4cis(π/3)

when n = 2;

z2 = 12^1/4(cos2π/3+isin2π/3)

z2 = 12^1/4cis(2π/3)

when n = 3;

z2 = 12^1/4(cosπ+isinπ)

z2 = 12^1/4cis(π)

when n = 4;

z2 = 12^1/4(cos4π/3+isin4π/3)

z2 = 12^1/4cis(4π/3)

8 0
3 years ago
Plz help us out we really need this
padilas [110]

Answer:

Um sry but what type of teacher tells there kid to do work on break doing freaking imagine math like Boy!lol

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
kay was walking along the bridge above the river. She accidentally lost her grip on her camera when she was trying to get it out
zhenek [66]
5 seconds 
because that is the positive zero of that equation

6 0
3 years ago
Read 2 more answers
B(n)=1 (-2)^n-1<br> What is the 4th term in the sequence
zzz [600]

Answer:

The fourth term of the sequence B(4) =-8

The sequence is 1,-2,4,-8...

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the sequence

     B(n) = 1(-2)ⁿ⁻¹

Put n=1

    B(1) = 1(-2)¹⁻¹ = 2⁰ =1

Put n=2

   B(2) = 1(-2)²⁻¹ = (-2)¹ =-2

Put n=3

  B(3) =1(-2)³⁻¹ = (-2)² =4

Put n=4

B(4) = 1(-2)⁴⁻¹ =(-2)³ =-8

The sequence

1,-2,4,-8...

5 0
3 years ago
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