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Thepotemich [5.8K]
3 years ago
11

Sarah weighs 30 more than 2 times as sheila. Their total weighs is 150 kilograms. What is the weigh of each in grams?

Mathematics
1 answer:
Katen [24]3 years ago
4 0
I hope this helps you



Sarah 2x+30



Sheila x



2x+30+x=150


3x+30=150


3x=120


x= 60 kg Sheila


Sarah 2x+30=2.60+30=150








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ziro4ka [17]

Answer:

Mean =\sum x P(x) = 36.86

Standard deviation =\sum x^2P(X)=1360.9

Step-by-step explanation:

x          P(x) x \times P(x)       x^2 \times  P(x)

33         0.02     0.66          21.78

34          0.06     2.04         69.36

35           0.1      3.5        122.5

36           0.2      7.2         259.2

37           0.24     8.88        328.56

38           0.26     9.88        375.44

39            0.1     3.9         152.1

40            0.02     0.8         32

             1        36.86      1360.9

We are supposed to find mean and standard deviation

Mean =\sum x P(x) = 36.86

Standard deviation =\sum x^2P(X)=1360.9

7 0
3 years ago
Last year the dept of the river was 4.2 feet deep. THIS YEAR UT DROPPED 11% find the depth of the f the river this year
Romashka [77]

Answer:

new depth =

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4 0
3 years ago
15) The diameter of a cylinder is 12 and height is 11. Find the surface area of the figure. ​
kirza4 [7]

Answer:

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Step-by-step explanation:

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Answer:

36

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5 0
3 years ago
Read 2 more answers
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Luden [163]

I believe it is 35!

I hope this helps you, and don't forget to give this answer brainliest if it really helped!

5 0
2 years ago
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