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Sonja [21]
4 years ago
6

Can someone please help me

Mathematics
1 answer:
natita [175]4 years ago
4 0
Tricky one because they're asking for C not x.  

2x + 2x + 6x = 180

10x = 180

x = 18

C = 2x = 36

Last one

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For males in a certain town, the systolic blood pressure is normally distributed with a mean of 125 and a standard deviation of
Vilka [71]

The interval of systolic blood pressure will be between 155 to 95

<h3>What is the standard deviation?</h3>

Standard deviation is defined as the amount of variation or the deviation of the numbers from each other.

From the question, we are told that

Mean  x=125

Standard deviation = 10

The Percentage for men =99.75%

Generally, the empirical rule 68%,95% and 99.7% of data value lay b/w 1,2,3 standard deviation of mean  

Standard deviation n= 10

Mean x= 125

Generally, the interval  of systolic blood pressure for middle 99.7 of male G is mathematically given as

G = Mean ± (3x \sigma)

G= 125 ±  (3 x 10)

G= 125 ±  (30)

G = 155 and 95

Hence the interval of systolic blood pressure will be between 155 to 95

To know more about standard deviation follow

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6 0
2 years ago
1 2/10+8 1/18 this is the wrong answer for sure that is highlighted but please help lol
luda_lava [24]

9 1/28

I hope I was helpful

6 0
3 years ago
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Kalvin tosses a coin five days in a row and gets tails every time. Do you think there is something wrong with the coin? How can
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4 years ago
jake spends 2 hours on each homework assignment and he had 3 assignments each day.orlando spend 2 hiurs on each homework assignm
Andrej [43]
Ok so u have to multiply for this one

Work *Jake*:

So he spends 2 hours on each assignment. He has 3 assignments so u have to do :
2*3=6
 
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Work *Orlando*:

So he spends 2 hours on each homework. He has 2 sheets each do so u have to multiply 2 and 2: 
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He spends 4 hours a day doing homwork so u  have to multiply it by 30: 
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Answer:
 

So Jake spends 130 hours
Orlando spends 120 hours 

Add both together:
120+130=250

They spend 250 hours together on work in 30 days/
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London Bridge has a span of 1000 ft.
Ierofanga [76]

Step-by-step explanation:

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