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Arisa [49]
3 years ago
9

Find the mean of the data shown in the stem–and–leaf plot below. Round your answer to the nearest tenth.

Mathematics
1 answer:
forsale [732]3 years ago
8 0
Mean = (9.1 + 9.2 + 9.3 + 9.3 + 9.5 + 10.4 + 10.5 + 10.6 + 10.6 + 10.7 + 11.1 + 11.1 + 11.4 + 11.8 + 11.9 + 11.9 + 12.4 + 12.7 + 12.9)/19 = 196/19 = 10.3
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I need help with this
emmasim [6.3K]

Answer:

31.4

Step-by-step explanation:

2x3.14x5=31.4

(2x3.14xRadius)

Please Give Me Brainliest lol

7 0
2 years ago
1) Alicia's gross monthly pay is $1,700.
tia_tia [17]

Answer:

96.90

Step-by-step explanation:

1700x.0570=96.90

7 0
2 years ago
The perimeter of the rectangle below is 65 inches.
dimaraw [331]
A :-) Given -
perimeter = 65 inches
Side ‘a’ = 2x
Side ‘b’ = 3 1 by 4x + 1
Solution -
Perimeter = 65
= a + b = 65
= 2x + 3 1 by 4x + 1 = 65
( 3 1 by 4 = 4 x 3 + 1 = 12 + 1 by 4
= 13 by 4 )
= 2x + 13 by 4x + 1 = 65
= 2x + 13 by 4x = 65 - 1
= 2x + 13 by 4x = 64
= 15 by 4 x = 64
= x = 64 x 4 by 15
= x = 256 by 15
= x = 17.06

.:. The value of x = 17.06.
5 0
2 years ago
Mrs. Johnson’s class sold cookies for $2.50 each and Mr. Smith’s class sold popcorn for $1.50 each. Together, the classes sold 5
olga_2 [115]

Answer:

c+p = 53

2.5c+1.5p = 105.5

p = 27

c= 26

Mrs. Johnson  earned 65

Mr Smith  earned 40.5

Mrs Johnson earned  24.50 more

Step-by-step explanation:

Let c = cookies sold

p = popcorn sold

The number of items sold is 53

c+p = 53

The total cost of the items sold is 105.50  

The number of cookies sold times 2.50 plus the number of popcorn sold times 1.50 = 105.50

2.5c+1.5p = 105.5

System of equations:

c+p = 53

2.5c+1.5p = 105.5

Multiply the second equation by 10 to clear the decimals

10 *(2.5c+1.5p) = 10*105.5

25c+15p = 1055

Divide by 5

25c/5 +15p/5 = 1055/5

5c+3p =211

Multiply equation 1 by -5

-5(c+p)=-5*53

-5c-5p=-265

Add the equations

5c+3p =211

-5c-5p=-265

---------------------

-2p = -54

Divide by -2

-2p/-2 = -54/-2

p = 27

Now we need to find c

c+p = 53

c+27 = 53

Subtract 27 from each side

c+27-27 = 53-27

c= 26

Mrs. Johnson  earned the number of cookies times 2.5

c* 2.5

26*2.5 =65

Mr Smith  earned the number of popcorn times 1.5

p*1.5

27*1.5

40.5

Mrs Johnson earned 65-40.5 = 24.50 more

5 0
3 years ago
Need the answer asap
xenn [34]

Answer:

3.2

Step-by-step explanation:

7 0
3 years ago
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