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Anna11 [10]
3 years ago
15

The Temperature over a 4 day period in Pittsburgh were as follows -6, 10, 6?and -2. Find the mean

Mathematics
2 answers:
Pepsi [2]3 years ago
4 0

Answer:

You add them, then subtract them by how many numbers there are :) So add them then subtract them by 4

Step-by-step explanation:

Sonja [21]3 years ago
3 0

Answer:

<u>4 + 10 -6 + 6 -2</u>

        4

= 12/4

= 3

Step-by-step explanation:

to find mean, add the numbers together and divide by how many the numbers are.

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Please help 20 POINTS
Elenna [48]

Answer:

5 4/5

Step-by-step explanation:

First of all subtract the whole number, 2, from 8 1/5

You would get 6 1/5

Now subtract 2/5 from that, or set up an equation like:

6 + 1/5 - 2/5

you would get 6 - 1/5 or 5 4/5

-Chetan K

6 0
2 years ago
Read 2 more answers
JK = 7x + 9<br> JL = 114, and<br> KL = 9x + 9,<br> Find KL.
VikaD [51]

Answer:

KL= 63

Step-by-step explanation:

JK=7x+9 , JL=114 , KL=9x+9 ( if the points are on the same line and point J at the end point and K in the middle)

*J_______________________K___________________________L

JL=JK+KL

114=7x+9+9x+9

114-18=16 x

16x=98

x=98/16=6

KL= 9x+9

KL=9(6)+9

KL= 63

8 0
3 years ago
Solve for X. -15=22x+7
tensa zangetsu [6.8K]

Answer:

x=-1

Step-by-step explanation:

-15=22x+7

Subtact 7 both sides

-15-7=22x+7-7

-22x=-22

Divide both sides by -22

-22x=-22

x=-1

5 0
2 years ago
What is the area in square units?
podryga [215]
For the rectangle you add 12 plus 9 to get 21 then multiply by 24 to get 288. then. you multiply 15 times 9 to get 135 then divide by 2 to get 67.5 for the top triangle. you then add 12 and 9 together to get 21 and multiply that by 15 to find the middle rectangle then you get 315. you then add all of the final values together to get 670.5 square units
3 0
3 years ago
A fireworks store is offering 15% off all fireworks. If you come to the store on the fourth of July, you get an extra 15% off th
MrRa [10]
15% off all fireworks
extra 15% off on July Fourth.

$112.25*.15= 16.8375
112.25-16.8375= 95.1625 *.15= 14.274375
95.1625-14.274375= 80.888125

$80.89 is the price.
3 0
2 years ago
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