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BlackZzzverrR [31]
3 years ago
8

Below are the times (in days) it takes for a sample of 6 customers from Sarah's computer store to pay their invoices.

Mathematics
1 answer:
icang [17]3 years ago
3 0

Answer:

8.80

Step-by-step explanation:

(S. D.)^2=summation(x-mean)^2/(n-1)

S. D.=sqrt(388/5)

S. D.=8.80

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Please help!!! Need help ASAP!
DIA [1.3K]

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Step-by-step explanation:

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What is the y value for the line that passes through (−2,3) and (0,8)
sp2606 [1]

Answer:

y=5x/2 + 9

Step-by-step explanation:

Check the above picture for workings

3 0
3 years ago
Which of the following statements is true? a. A 30 year fixed mortgage will always result in the lowest payment. b. You must hav
saw5 [17]

Answer:

The correct answer is option C.

Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
What is the solution to the system of equations?<br><br> y = –5x + 3<br><br> y = 1
Alinara [238K]
Ok so we know that y=1 so we can simply sub in the value of y into the equation :

y = -5x +3

1 = -5x +3

Move the -5x to the LHS ( Left-hand-side ) therefore it changes sign as well move 1 to the RHS ( Right-hand-side ) it also changes sign.

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Hope this helps :).
7 0
3 years ago
Read 2 more answers
A+b+c=31 2a+3b+4c=105 who's a,b,c
Alik [6]

Answer:

begin{aligned}

   & x = \frac{D_x}{D} = \frac{-616}{-154} =  4 \\

   & y = \frac{D_y}{D} = \frac{ 616}{-154} = -4 \\

   & z = \frac{D_z}{D} = \frac{-770}{-154} =  5

         \end{aligned}begin{aligned}    & x = \frac{D_x}{D} = \frac{-616}{-154} =  4 \\    & y = \frac{D_y}{D} = \frac{ 616}{-154} = -4 \\    & z = \frac{D_z}{D} = \frac{-770}{-154} =  5          \end{aligned}

Step-by-step explanation:

4 0
3 years ago
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