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vlada-n [284]
3 years ago
15

Find the mean of the data set. if necessary, round to the nearest tenth. 18 14 8 22 25 8

Mathematics
1 answer:
Elden [556K]3 years ago
6 0
To work out the mean of a data set add all the numbers together and divide them by the number of data items there are. 

18 + 14 + 8 + 22 + 25 + 8 = 95

95/6 = 15.8 (that answer is rounded)

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Solve pls thank you​
Dominik [7]

Answer:

B.

Step-by-step explanation:

So there are 16 grams initally. Then, the amount of water decreases by 3.5%.

So first we must find 3.5% of 16. 3.5% in decimal form is 0.035, since you divide 3.5 by 100. Then, when you multiply 0.035 by 16, you get 0.56. Since the solution decreased by that percentage, you must subtract 0.56 from 16, which is 15.44.

Then the amount of water decreases by 4.25%. That in decimal form is 0.0425. You multiply it by 15.44, and it comes out to 0.6562. You subtract that from 15.44, not 16, since some of the water has evaporated. So you get 14.7838.

5 0
3 years ago
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tatyana61 [14]
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7 0
3 years ago
Find two integers whose sum is 10 and product is 9
Leviafan [203]

Answer:

let the numbers be x and y then by given conditions:

x + y = 10 ….. eq 1

and

xy = 9….. eq 2

from eq 2. y = 9/x

put this in eq. 1

x + 9/x = 10

x + 9= 10x

x = 1

now,

xy = 9put value of x

y = 9

Step-by-step explanation:

Hope it is helpful....

5 0
2 years ago
Find the slope of the line. (Please explain if you can, and answer in an integer/fraction.)
Setler [38]

Answer:

-2

Step-by-step explanation:

We can find the slope of a line by using two points

(-2,1) and (2,-7)

The slope is given by

m = (y2-y1)/(x2-x1)

   = (-7-1)/(2- -2)

   = (-8)/(2+2)

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4 0
3 years ago
PLEASE HELP THIS IS DUE IN AN HOUR!!!
Naily [24]

Answer:

<h2>The x-coordinate after the rotation is -10.</h2>

Step-by-step explanation:

A 810° rotation is equal to a 90° rotation. So, the transformation described gives the same result than rotating 90° only.

A 90° counterclockwise rotation is defined by the rule

(x,y) \implies (-y,x)

The given coordinate is (8,10). Using the rule, we have

(8,10) \implies (-10,8)

Therefore, the x-coordinate after the rotation is -10.

3 0
3 years ago
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