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telo118 [61]
3 years ago
9

Jace gathered the data in the table. He found the approximate line of best fit to be y = –0.7x + 2.36.

Mathematics
1 answer:
MaRussiya [10]3 years ago
3 0
The residual value is -1.14.
Plug 5 into x
y=-0.7(5)+2.36
=-1.14
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Bill paid $2.49 for 5 pounds of rice. What could be cost of 9 pounds
Nadya [2.5K]

Answer:

\boxed{\sf Cost \ of \ 9 \ pounds \ rice =\$ 4.482}

Given:

5 pounds rice cost $2.49

To Find:

Cost of 9 pounds rice

Step-by-step explanation:

5 pounds rice cost $2.49

1 pound rice will cost $ \sf \frac{2.49}{5}

So,

9 pounds rice cost = 1 pound rice cost × 9

= $ \sf \frac{2.49}{5} \times 9

= $0.498 × 9

= $4.482

3 0
3 years ago
Read 2 more answers
An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places w
Rina8888 [55]

Answer:

a) The general solution   θ = nπ±π/6

The all solutions are  - π/6 ,π/6 ,5π/6 ,7π/6 ,11π/6 ,13π/6 ...…

b)   The solutions in the interval [ 0,2π)

                            θ =  - π/6 ,π/6 , 5π/6 , 7π/6 , 11π/6

Step-by-step explanation:

<u><em>Step( i)</em></u>:-

Given an equation 2 cos (2θ)-1 =0

                               2 cos (2θ) = 1

                                cos(2θ) = 1/2

                                cos(2θ) = cos (π/3)

<em>Step(ii):-</em>

<em>a) </em>

The general solution of  cos θ = cos ∝ is given by

                                              θ = 2nπ±∝

The general solution of  cos(2θ) = cos (π/3) is

                                               2θ = 2nπ±π/3

                                                θ = nπ±π/6

Put n=0          θ =  ±π/6

Put n =1          θ = π±π/6

                       θ = π-π/6 = 5π/6

                        θ = π+π/6 = 7π/6

put n =2

                        θ = 2π±π/6  

                         θ = 2π-π/6 = 11π/6

                        θ = 2π+π/6 = 13π/6

   

The all solutions are  - π/6 ,π/6 ,5π/6 ,7π/6 ,11π/6 ,13π/6 ...…

b)

        The solutions in the interval [ 0,2π)

                            θ =  - π/6 ,π/6 , 5π/6 , 7π/6 , 11π/6

<u><em>Final answer</em></u>:-

a)

The all solutions are  - π/6 ,π/6 ,5π/6 ,7π/6 ,11π/6 ,13π/6 ...…

b)

The solutions in the interval [ 0,2π)

                            θ =  - π/6 ,π/6 , 5π/6 , 7π/6 , 11π/6

             

                                               

                                         

8 0
3 years ago
titus wants to fence a square area of his yard fpr his dogs. if he wants the area of the square to be 121 square feet what does
Reptile [31]
The perimeter would have to be 30.2 for each side of the fence
4 0
3 years ago
I need help with this ... I don't get it
Ahat [919]

<span>1.     </span>The volume is comprise of a cube and prism

V = ( x + 2) ( 2x + 4) + ( x + 2)^2

Solve for x

X = 10.12

<span>2.     </span>1050 = (2x – 4) ( 3x) 5

1050 = (2x – 4) 15x

1050 = 30x^2 – 60x

Solve for x

X = 7

<span>3.     </span>148  = ( x – 5) ( x – 6 ) ( x – 4)

Solve for x

X = 10.35

<span>4.     </span>144pi = pix^2(21)

X = 2.62

4 0
3 years ago
Pat starts with two identical square pieces of paper. On the first one, she draws straight lines that divide the paper into a 3-
aleksandrvk [35]

Answer:

  45 cm

Step-by-step explanation:

2 lines will divide the square in thirds. 2 additional lines will divide those thirds into ninths. Pat's 4 lines total 18 cm.

To divide the square into sixths requires 5 lines. To divide it into 36ths requires 5 additional lines. Hence the total number of lines on the second paper is 10/4 = 5/2 times the total on the first paper.

The total length of lines on the second paper is ...

  (5/2)(18 cm) = 45 cm

3 0
3 years ago
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