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MA_775_DIABLO [31]
3 years ago
15

(Please help-) For every 1 left-handed person, there are 4 right-handed people. If there are 30 students in the class, how many

of them should be right-handed?
Mathematics
2 answers:
Oksanka [162]3 years ago
8 0

Answer

23 right handed students

Step-by-step explanation:

Arturiano [62]3 years ago
4 0

Answer:

24 of them should be right handed

Step-by-step explanation:

This is because 1+4=5 so in each grouping of students there are 5 students. Divide the total number of students by the number of students in one group it comes to be 6. So also 6(4) is 24 so your total will be 24.

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Convert the angle 0=228 degrees to radians
miv72 [106K]

Answer:

  \dfrac{19}{15}\,\text{radians}=1.2\overline{6}\,\text{radians}

Step-by-step explanation:

θ = 228° = (228°)×(π/180° radians/degree) = 228/180 radians

  = 19/15 radians

  ≈ 1.266...(repeating) radians

8 0
3 years ago
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evablogger [386]

Answer:

44.7

Step-by-step explanation:

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7 0
2 years ago
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3 years ago
Intravenous fluid bags are filled by an automated filling machine. Assume that the fill volumes of the bags are independent, nor
kenny6666 [7]

Answer:

a) 0.0167

b) 0

c) 5.948

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 6.16 ounces

Standard Deviation, σ = 0.08 ounces

We are given that the distribution of fill volumes of bags is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

a) Standard deviation of 23 bags

\displaystyle\frac{S.D}{\sqrt{23}} = \frac{0.08}{\sqrt{23}} = 0.0167

b) P( fill volume of 23 bags is below 5.95 ounces)

P(x < 5.95)

P( x < 5.96) = P( z < \displaystyle\frac{5.95 - 6.16}{0.0167}) = P(z < -12.57)

= 1 - P(z < 12.57)

Calculation the value from standard normal z table, we have,  

P(x < 5.95) = 1 - 1 = 0

c) P( fill volume of 23 bags is below 6 ounces)  = 0.001

P(x < 6)  = 0.001

P( x < 6) = P( z < \displaystyle\frac{6 - \mu}{0.0167})

Calculation the value from standard normal z table, we have,  

P( z \leq -3.09) = 0.001

\displaystyle\frac{6 - \mu}{0.0167} = -3.09\\\\\mu = 6 + (0.0167\times -3.09) = 5.948

If the mean will be 5.948 then the probability that the average of 23 bags is below 6.1 ounces is 0.001.

7 0
3 years ago
Question 5 (1 point)<br><br> Write an equivalent expression for (m + 4n) - 2.5m
aliina [53]

Answer:

-1.5m + 4n is the equivalent expression

Step-by-step explanation:

To find the equivalent expression, we combine the like terms.

We are given the following expression:

m + 4n - 2.5m

Combining the like terms:

m - 2.5m + 4n

-1.5m + 4n is the equivalent expression

4 0
3 years ago
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