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ki77a [65]
3 years ago
14

What makes apparent magnitude different from absolute brightness? Give an example in your response.

Mathematics
1 answer:
Lapatulllka [165]3 years ago
8 0
Apparent magnitude isn’t the actual brightness, it’s what the brightness appears to be from earth, absolute brightness is the actual brightness an example is our sun it appears bright on earth but in space it is so much more brighter
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kow [346]

inital height is 2 meters

Step-by-step explanation:

5 0
3 years ago
ADDITION OF INTEGERS<br> 21) 2 +6+-6<br> A) 0<br> B) 8<br> C) 1 D) 2
MrMuchimi

Answer:

D

Step-by-step explanation:

add up the positives then subtract the negative

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3 years ago
If you have a cubic polynomial of the form y = ax^3 + bx^2 + cx + d and lets say it passes through the points (2,28), (-1, -5),
Marrrta [24]

Answer:

a = 3

b = 2

c = 0

d = -4

Step-by-step explanation:

Form 4 equations and solve simultaneously

28 = a(2)³ + b(2)² + c(2) + d

28 = 8a + 4b + 2c + d (1)

-5 = -a + b - c + d (2)

220 = 64a + 16b + 4c + d (3)

-20 = -8a + 4b - 2c + d (4)

(1) + (4)

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8 = 8b + 2d

d = 4 - 4b

Equation (2)

c = -a + b + d + 5

c = -a + b + 4 - 4b+ 5

c = -a - 3b + 9

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28 = 8a + 4b + 2(-a - 3b + 9) + 4 - 4b

28 = 6a - 6b + 22

6a - 6b = 6

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a = b + 1

220 = 64a + 16b + 4c + d (3)

220 = 64(b + 1) + 16b + 4(-b - 1 - 3b + 9) + 4 - 4b

220 = 60b + 100

60b = 120

b = 2

a = 2 + 1

a = 3

c = -3 - 3(2) + 9

c = 0

d = 4 - 4(2)

d = -4

8 0
3 years ago
Read 2 more answers
Answers please! I’m a bit confused
scoray [572]

Answer:

all work is shown and pictured

5 0
3 years ago
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Simplify: -4 2/10 - (-13 1/10)
tamaranim1 [39]

Answer:

The answer is 8 9/10

Step-by-step explanation:

hope this helps

4 0
3 years ago
Read 2 more answers
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