we are given with the set of data containing the elements listed above and is asked to find out the standard deviation of the data. SD is used to determine the distance between the points to the best fit line gained from the data. The formula to be followed is the square root of the summation of (x-mean) over n-1. sd is equal to <span>5.13.</span>

7 0

3 years ago

Find the value of x - Step by step answer please

Ugo [173]

Answer:

x = -2

Step-by-step explanation:

Given :

$\frac{8}{x+1} = \frac{-16}{x+4}$

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Cross multiplying the terms :

⇒ 8 (x + 4) = -16 (x + 1)

⇒ 8x + 32 = -16x - 16

⇒ 24x = -48

⇒ x = -2

5 0

2 years ago

Alistair and Jason both deposited $500 into their bank accounts. Alistair earned 2.5% simple interest per year. Jason earned 4.5

Vinil7 [7]

Answer:

Step-by-step explanation:

<u>The difference in interest amount is:</u>

$500*4*(4.5 - 2.5)/100 = $40

Jason received $40 more than Alistair

4 0

3 years ago

A cruise ship travelled 250 nautical miles in 4 hours at a constant speed. . How far did the cruise ship travel in one hour?

mojhsa [17]

Answer:

62.5 miles

ithink

Step-by-step explanation:

8 0

3 years ago