72 3 85 0.8 86 5.5 91 2.6 8+ --1+ 10 20 30 40 50 60 70 80 90 100 11 Brightness Level a) Find the equation for the line of best fit. Keep at least 3 decimals for each parameter in the equation. b) Interpret the slope in context. O Levi should expect -0.0357 hours per brightness level. O Levi should expect -0.0357 brightness level per hour. c) What does the equation predict for the number of hours the phone will last at a brightness level of 53? hours Hours

Q: 4s +5 S -4

A:

Q: (4) y=x +4 -5 -4 -3 6.

A: The given equation is: y=x+4

Q: Find L{1}ℒ{1}.

A:

Q: (1-2=) dr

A:

Q: Prove that X Pn dx %3D

A: Recurrence relation.  Partial fraction.

Q: a3-16a

A: a³−16a ⇒a(a²−16) ⇒a(a² −4²) ⇒a(a+4)(a−4)

Q: 5/14+1/6

A: 514+16=15+742

Q: Find the rank of A = ( 1   -1   2   3)                                       2  6  -8   1…

A: Rank of Matrix : It is the Number of Non Zero rows in reduced row echelon form.

Q: こ (0) of

A:

Q: 9 – 4x > –3

A: The given inequality is 9-4x>-3

Q: 3.9b + a3 + 27 - 3a2 + 5a3 - 2a2 + 2.1b + 7

A:

Q: . 4- 5 4m+8

A:

Q: 1+7/7 + 8

A: Answar would be 10

Q: 1b+1b

A: Applying  addition operation since terms with same variable  binomial addition

Q: 5 3 + s2-8 s2+ 3.

A:

Q: 目 +8 LI +T 现 +04 +C4 |F|E|F|| ||||4 4 4 2 2

A:

Q: 5у 10y

A: Given,    5y/10y    Cancelling y from both numerator and denominator to get,    5/10   Now, 5/10 can…

Q: (4 – a2)

A: To integrate.

Q: graph shows the relationship between the volume of the dilated box and the scale factor. diusuon 5.…

A:

Q: 2(3+d-1)

A: Solve the given expression  given expression is 2(3+d-1)

Q: In the

A: In the diagram it is given that, the angles <G and <H are complementary. m<G = 2x + 10…

Q: 36-9z

A: Given that:36-9z

Q: 2+1+5+7

A: 2+1+5+7=3+5+7=15

Q: 3 -5 7 4 8 2 8 -3 -6 find P30, P60 and P95.

A:

Q: 1+4+6+8

A:

Q: –4(–6m – 7).

A:

Q: -2 -4 and D = 4 8

A:

Q: 9. x+8

A: For two intersecting chords , the  multiples of the lengths of the line segments on each chord are…

Q: -7 -5 Let A = Find -2A. 2] 1.

A: Given, A=-7-512

Q: -96 6 -7 A = -3 d 4A.

A:

Q: Two and two

A: Given:   Two and two

Q: the series

A:

Q: 5n2

A:

Q: 6(-3w+1/3)

A:

Q: 3(5x)

A: given: 3(5x)