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sammy [17]
3 years ago
12

The first team member ran in a 3person relay race must run 2 1/4 laps the second member must run 1 1/2 laps the third member mus

t run 3 5/8 laps maw many laps must eatch team run
Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
4 0

Answer:

So the total number of laps run = 7\frac{3}{8}

Step-by-step explanation:

The first team member in a 3 person team has to run 2\frac{1}{4} laps, the second person has to run 1\frac{1}{2} and the third person has to run 3\frac{5}{8} laps.

We have to find total number of laps run by each team.

Total number of laps = 2\frac{1}{4}+1\frac{1}{2} +3\frac{5}{8}

                                   = \frac{18}{8}+\frac{12}{8}+\frac{29}{8}

                                   = \frac{59}{8}

                                   = 7\frac{3}{8}

So the total number of laps run = 7\frac{3}{8}

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Step-by-step explanation:

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3 years ago
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3 years ago
A soft-drink machine can be regulated so that it discharges an average of μ oz. per cup. If the ounces of fill are Normally dist
sattari [20]

Answer:

μ = 5.068 oz

Step-by-step explanation:

Normal distribution formula to use the table attached

Z = (x - μ)/σ

where μ is mean, σ is standard deviation, Z is on x-axis and x is a desired point.

98% of 6-oz. cups will not overflow means that the area below the curve is equal to 0.49; note that the curve is symmetrical respect zero, so, 98% of the cases relied between the interval (μ - some value) and (μ + some value)].

From table attached, area = 0.49 when Z = 2.33. From data, σ = 0.4 oz and x = 6 oz (maximum capacity of the cup). Isolating x from the formula gives

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μ = 6 - 2.33*0.4

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This means that with a mean of 5 oz and a standard deviation of 0.4 oz, the machine will discharge a maximum of 6 oz in the 98% of the cases.

4 0
3 years ago
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SVETLANKA909090 [29]

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4 0
3 years ago
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Will bought 3 college textbooks. One cost 32$, one cost 45$, and one cost 39$. What is the average price of his book?
Damm [24]

Answer:

The average of all textbooks is $38.60.

Step-by-step explanation:

Here's why to calculate average we do sum of all numbers divided by the number of numbers, for example if we average 2 and 3, we do 2+3 divided by 2. Which happens to be 2.5. Now for this problem we divide the sum by 3.

Therefore getting our answer of $38.60.


If this helps hit the thank button!

5 0
3 years ago
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